10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

	(Mark One)
	X	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
		For the fiscal year ended December 31, 2017
or
	☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
		For the transition period from ___________ to ___________ .
Commission file number 001-36613

 

Middlefield Banc Corp.

(Exact Name of Registrant as Specified in its Charter)

Ohio	34-1585111
State or Other Jurisdiction of	I.R.S. Employer Identification No.
Incorporation or Organization
15985 East High Street, Middlefield, Ohio	44062-0035
Address of Principal Executive Offices	Zip Code

	440-632-1666
Registrant’s Telephone Number, Including Area Code

Securities Registered Pursuant To Section 12(B) Of The Act:
Title of Each Class	Name of Each Exchange on Which Registered
Common Stock, Without Par Value	The NASDAQ Stock Market, LLC
	(NASDAQ Capital Market)

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐   No X

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐   No X

Note - Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Exchange Act from their obligations under those Sections.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes X     No ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes X    No ☐

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of the registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer ☐	Accelerated filer X
Non-accelerated filer ☐  (Do not check if a smaller reporting company)	Smaller reporting company X
Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐    No X 

The aggregate market value on June 30, 2017 of common stock held by non-affiliates of the registrant was approximately $151.2 million, based on the closing price of $50.40 per share of common stock as reported on the NASDAQ Capital Market. As of March 7, 2018, there were 3,605,906 shares of common stock issued and outstanding.

APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PRECEDING FIVE YEARS:

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Section 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.   Yes X    No ☐ 

Documents Incorporated by Reference      Portions of the registrant’s definitive proxy statements for the 2018 Annual Meeting of Shareholders are incorporated by reference in Part III of this report. Portions of the Annual Report to Shareholders for the year ended December 31, 2017 are incorporated by reference into Part I and Part II of this report.

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MIDDLEFIELD BANC CORP.

YEAR ENDED DECEMBER 31, 2017

INDEX TO FORM 10-K

		Page
Part I
Item 1.	Business	3
Item 1A.	Risk Factors	19
Item 1B.	Unresolved Staff Comments	25
Item 2.	Properties	26
Item 3.	Legal Proceedings	27
Item 4.	Mine Safety Disclosures	27
Part II
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters, and Issuer Purchases of Equity Securities	27
Item 6.	Selected Financial Data	27
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	27
Item 7A.	Quantitative and Qualitative Disclosures about Market Risk	27
Item 8.	Financial Statements and Supplementary Data	27
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	27
Item 9A.	Controls and Procedures	28
Item 9B.	Other Information	28
Part III
Item 10.	Directors, Executive Officers, and Corporate Governance	28
Item 11.	Executive Compensation	28
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	28
Item 13.	Certain Relationships and Related Transactions, and Director Independence	28
Item 14.	Principal Accountant Fees and Services	28
Part IV
Item 15.	Exhibits and Financial Statement Schedules	29
Item 16.	Form 10-K Summary	33
SIGNATURES

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Part I

Item 1 — Business

Middlefield Banc Corp. Incorporated in 1988 under the Ohio General Corporation Law, Middlefield Banc Corp. (“Company”) is a bank holding company registered under the Bank Holding Company Act of 1956. The Company’s subsidiaries are:

1.     The Middlefield Banking Company (“MBC”, or the “Bank”), an Ohio-chartered commercial bank that began operations in 1901. MBC engages in a general commercial banking business in northeastern and central Ohio. The principal executive office is located at 15985 East High Street, Middlefield, Ohio 44062-0035, and the telephone number is (440) 632-1666.

2.     EMORECO Inc., an Ohio asset resolution corporation headquartered in Middlefield, Ohio. EMORECO exists to resolve and dispose of troubled assets. The principal executive office is located at 15985 East High Street, Middlefield, Ohio 44062-0035.

The Middlefield Banking Company MBC was chartered under Ohio law in 1901. MBC offers customers a broad range of banking services including checking, savings, negotiable order of withdrawal (“NOW”) accounts, money market accounts, time certificates of deposit, commercial loans, real estate loans, a variety of consumer loans, safe deposit facilities, and travelers’ checks. MBC offers online banking and bill payment services to individuals and online cash management services to business customers through its website at www.middlefieldbank.bank.

On January 12, 2017, the Company completed its acquisition of Liberty Bank, N.A. ("Liberty"), pursuant to a previously announced definitive merger agreement. Under the terms of the merger agreement, Liberty shareholders received $37.96 in cash or 1.1934 shares of the Company’s common stock in exchange for each share of Liberty common stock they owned immediately prior to the merger. The Company issued 544,610 shares of its common stock in the merger and the aggregate merger consideration was approximately $42.2 million. Upon closing, Liberty was merged into MBC, and its three full-service bank offices, in Twinsburg in northern Summit County, and in Beachwood and Solon in eastern Cuyahoga County, became offices of MBC. The systems integration of Liberty into MBC was completed in February, 2017.

Engaged in general commercial banking in northeastern and central Ohio, MBC offers these services principally to small and medium-sized businesses, professionals, small business owners, and retail customers. MBC has developed a marketing program to attract and retain consumer accounts and to match banking services and facilities with the needs of customers.

MBC’s loan products include operational and working capital loans, loans to finance capital purchases, term business loans, residential construction loans, selected guaranteed or subsidized loan programs for small businesses, professional loans, residential and mortgage loans, and consumer installment loans to make home improvements and to purchase automobiles, boats, and other personal expenditures. Although the bank makes agricultural loans, the amount of agricultural loans in the bank’s loan portfolio is not significant.

EMORECO Organized in 2009 as an Ohio corporation under the name EMORECO, Inc. and wholly owned by the Company, the purpose of the asset resolution subsidiary is to maintain, manage, and dispose of nonperforming loans and other real estate owned (“OREO”) acquired by the subsidiary bank as the result of borrower default on real estate-secured loans. At December 31, 2017, EMORECO’s assets consist of one cash account and prepaid income tax. According to Federal law governing bank holding companies, real estate must be disposed of within two years of acquisition, although limited extensions may be granted by the Federal Reserve Bank. A holding company subsidiary has limited real estate investment powers. EMORECO may only manage and maintain property and may not improve or develop property without advance approval of the Federal Reserve Bank.

Explanatory Note The registrant met the “accelerated filer” requirements as of the end of its 2017 fiscal year pursuant to Rule 12b-2 of the Securities Exchange Act of 1934, as amended. However, pursuant to Rule 12b-2 and SEC Release No. 33-8876, the registrant (as a smaller reporting company transitioning to a larger reporting company based on its public float as of June 30, 2017) is not required to satisfy the larger reporting company requirements until its first quarterly report on Form 10-Q for the 2018 fiscal year thus remains eligible to check the “Smaller Reporting Company” box on the cover of this Form 10-K.

Market Area MBC’s market area in northeastern Ohio consists principally of Cuyahoga, Geauga, Portage, Lake, Summit, Trumbull, and Ashtabula Counties. Benefitting from the area’s proximity to Cleveland and Warren, population and income levels have maintained steady growth over the years. MBC’s three central Ohio branches are located in Dublin, Sunbury and Westerville in Franklin County, north of Columbus, Ohio. 

MBC received approval in December 2017 for a new branch location in Powell, Oho. Powell is located in Delaware County immediately north of Franklin County, the county with the largest population in Ohio. The Company intends to open the Powell branch in the second quarter of 2018. Based upon U.S. Census Bureau data compiled for 2012 through 2016, Delaware, Geauga and Lake counties are the first, third and seventh highest ranked counties, respectively, among Ohio’s 88 counties based upon median family income. Powell and Dublin are the fourth and fifth highest ranked cities, respectively, in Ohio based upon median family income and MBC’s offices in Beachwood and Solon, in Cuyahoga County, are located in three of the top twenty highest ranked cities in Ohio based upon median family income.

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MCB’s footprint is home to 3.8 million people, or roughly one third of the Ohio population. The economy of MBC’s northeast markets is centered around manufacturing and agriculture, and includes a large Amish population. Geauga County is the center of the 4^th largest Amish population in the world. Columbus is the state capital and largest city in Ohio. The Bank’s product offering is geared toward traditional banking business delivered to both consumers and businesses located in its footprint of Northeast Ohio and the Columbus metro area. MBC’s current strategy is aimed at using a strong deposit relationship in the more rural markets of Northeast Ohio to fund loan growth and build scale in its newer metro markets of Cleveland/Akron and Columbus. According to the 2010 Decennial Census and the census estimate between 2010 and 2016 from the Delaware County Regional Planning Commission, Delaware County is the fastest growing suburban county in Ohio.

Forward-looking Statements This document contains forward-looking statements (as defined in the Private Securities Litigation Reform Act of 1995) about the Company and subsidiaries. Information incorporated in this document by reference, future filings by the Company on Form 10-Q and Form 8-K, and future oral and written statements by the Company and its management may also contain forward-looking statements. Forward-looking statements include statements about anticipated operating and financial performance, such as loan originations, operating efficiencies, loan sales, charge-offs and loan loss provisions, growth opportunities, interest rates, and deposit growth. Words such as “may,” “could,” “should,” “would,” “believe,” “anticipate,” “estimate,” “expect,” “intend,” “project,” “plan,” and similar expressions are intended to identify these forward-looking statements.

Forward-looking statements are necessarily subject to many risks and uncertainties. A number of things could cause actual results to differ materially from those indicated by the forward-looking statements. These include the factors we discuss immediately below, those addressed under the caption “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” other factors discussed elsewhere in this document or identified in our filings with the Securities and Exchange Commission, and those presented elsewhere by our management from time to time. Many of the risks and uncertainties are beyond our control. The following factors could cause our operating and financial performance to differ materially from the plans, objectives, assumptions, expectations, estimates, and intentions expressed in forward-looking statements:

•  the strength of the United States economy in general and the strength of the local economies in which we conduct our operations; general economic conditions, either nationally or regionally, may be less favorable than we expect, resulting in a deterioration in the credit quality of our loan assets, among other things

• the effects of, and changes in, trade, monetary and fiscal policies and laws, including interest rate policies of the Federal Reserve Board

• inflation, interest rate, market, and monetary fluctuations

• the development and acceptance of new products and services of the Company and subsidiaries and the perceived overall value of these products and services by customers, including the features, pricing, and quality compared to competitors’ products and services

• the willingness of customers to substitute our products and services for those of competitors

• the impact of changes in financial services laws and regulations (including laws concerning taxes, banking, securities, and insurance)

• changes in consumer spending and saving habits

Forward-looking statements are based on our beliefs, plans, objectives, goals, assumptions, expectations, estimates, and intentions as of the date the statements are made. Investors should exercise caution because the Company cannot give any assurance that its beliefs, plans, objectives, goals, assumptions, expectations, estimates, and intentions will be realized. The Company disclaims any obligation to update or revise any forward-looking statements based on the occurrence of future events, the receipt of new information, or otherwise.

Lending — Loan Portfolio Composition and Activity. The Bank makes residential and commercial mortgage, home equity, secured and unsecured consumer installment, commercial and industrial, and real estate construction loans for owner-occupied and rental properties. The Bank’s Credit Policy aspires to a loan composition mix consisting of approximately 40% to 50% consumer purpose transactions including residential real estate loans, home equity loans and other consumer loans. The Policy is also designed to provide for 35% to 40% of total loans as business purpose commercial loans and business and consumer credit card accounts of up to 5% of total loans.

Although Ohio law imposes no material restrictions on the types of loans the Bank may make, real estate-based lending has historically been the Banks’s primary focus. For prudential reasons, we avoid lending on the security of real estate located outside our market area. Ohio law does restrict the amount of loans an Ohio-chartered bank may make, generally limiting credit to any single borrower to less than 15% of capital. An additional margin of 10% of capital is allowed for loans fully secured by readily marketable collateral. This 15% legal lending limit has not been a material restriction on lending. We can accommodate loan volumes exceeding the legal lending limit by selling loan participations to other banks. As of December 31, 2017, MBC’s 15%-of-capital limit on loans to a single borrower was approximately $16.2 million.

The Bank offers specialized loans for business and commercial customers, including equipment and inventory financing, real estate construction loans and Small Business Administration loans for qualified businesses. A substantial portion of the Bank’s commercial loans are designated as real estate loans for regulatory reporting purposes because they are secured by mortgages on real property. Loans of that type may be made for purposes of financing commercial activities, such as accounts receivable, equipment purchases and leasing, but they are secured by real estate to provide the Bank with an extra measure of security. Although these loans might be secured in whole or in part by real estate, they are treated in the discussions to follow as commercial and industrial loans. The Bank’s consumer installment loans include secured and unsecured loans to individual borrowers for a variety of purposes, including personal, home improvements, revolving credit lines, autos, boats, and recreational vehicles.     

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The following table shows on a consolidated basis the composition of the loan portfolio in dollar amounts and in percentages along with a reconciliation to loans receivable, net.

	Loan Portfolio Composition at December 31,
	2017					2016					2015					2014					2013
(Dollars in thousands)	Amount		Percent			Amount		Percent			Amount		Percent			Amount		Percent			Amount		Percent
Type of loan:
Commercial and industrial	$	101,346		10.98	%	$	60,630		9.95	%	$	42,536		7.97	%	$	34,928		7.42	%	$	54,498		12.51	%
Real estate - construction		47,017		5.09			23,709		3.89			22,137		4.15			30,296		6.44			25,601		5.88
Real estate - mortgage:
Residential		318,157		34.46			270,830		44.46			232,478		43.56			210,096		44.65			210,310		48.27
Commercial		437,947		47.44			249,490		40.96			231,701		43.41			190,685		40.52			141,171		32.40
Consumer installment		18,746		2.03			4,481		0.74			4,858		0.91			4,579		0.97			4,145		0.94
Total loans		923,213		100.00	%		609,140		100.00	%		533,710		100.00	%		470,584		100.00	%		435,725		100.00	%
Less:
Allowance for loan and lease losses		7,190					6,598					6,385					6,846					7,046
Net loans	$	916,023				$	602,542				$	527,325				$	463,738				$	428,679

The following table presents consolidated maturity information for the loan portfolio. The table does not include prepayments or scheduled principal repayments. All loans are shown as maturing based on contractual maturities.

	Loan Portfolio Maturity at December 31, 2017
	Commercial				Real Estate -
	and		Real Estate -		Mortgage
(Dollars in thousands)	Industrial		Construction		Commercial		Total
Amount due:
In one year or less	$	24,393	$	1,709	$	12,655	$	38,757
After one year through five years		39,687		11,953		65,502		117,142
After five years		37,266		33,355		359,790		430,411
Total amount due	$	101,346	$	47,017	$	437,947	$	586,310

Loans due on demand and overdrafts are included in the amount due in one year or less. The Company has no loans without a stated schedule of repayment or a stated maturity.

The following table shows on a consolidated basis the dollar amount of all loans due after December 31, 2017 that have pre-determined interest rates and the dollar amount of all loans due after December 31, 2017 that have floating or adjustable rates.

	Fixed		Adjustable
	Rate		Rate		Total
(Dollars in thousands)
Commercial and industrial	$	56,279	$	45,067	$	101,346
Real estate - construction		8,873		38,144		47,017
Real estate - mortgage:
Commercial		139,149		298,798		437,947
	$	204,301	$	382,009	$	586,310

Residential Mortgage Loans A significant portion of the Bank’s lending consists of origination of conventional loans secured by 1-4 family real estate located in Franklin, Geauga, Portage, Trumbull, Summit, Cuyahoga, and Ashtabula Counties. Residential mortgage loans approximated $318.2 million or 34.5% of the Bank’s total loan portfolio at December 31, 2017.

The Bank makes loans of up to 80% of the value of the real estate and improvements securing a loan (“LTV” ratio) on 1-4 family real estate. The Bank generally does not lend in excess of the lower of 80% of the appraised value or sales price of the property. The Bank offers residential real estate loans with terms of up to 30 years.     

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Approximately 63.9% of the portfolio of conventional mortgage loans secured by 1-4 family real estate at December 31, 2017 is adjustable rate. Generally, the Bank originates fixed-rate, single-family mortgage loans in conformity with Freddie Mac guidelines, so are saleable to Freddie Mac. These loans are sold with servicing rights retained, and are sold in furtherance of the Bank’s goal of better matching the maturities and interest rate sensitivity of its assets and liabilities. The Bank generally retains responsibility for collecting and remitting loan payments, inspecting the properties, making certain insurance and tax payments on behalf of borrowers and otherwise servicing the loans it sells and receives a fee for performing these services. Sales of loans also provide funds for additional lending and other purposes.

The Bank’s home equity credit policy generally allows for a loan of up to 85% of a property’s appraised value, less the principal balance of the outstanding first mortgage loan. The Bank’s home equity loans generally have terms of 20 years.

At December 31, 2017, residential mortgage loans of approximately $4.0 million were over 90 days delinquent or non-accruing on that date, representing 1.3% of the residential mortgage loan portfolio. At December 31, 2016, residential mortgage loans of approximately $4.0 million were over 90 days delinquent or non-accruing on that date, representing 1.5% of the residential mortgage loan portfolio.

Commercial and Industrial Loans and Commercial Real Estate Loans

The Bank’s commercial loan services include:

•	accounts receivable, inventory and	•	short-term notes
	working capital loans	•	selected guaranteed or subsidized loan programs
•	renewable operating lines of credit		for small businesses
•	loans to finance capital equipment	•	loans to professionals
•	term business loans	•	commercial real estate loans

Commercial real estate loans include commercial properties occupied by the proprietor of the business conducted on the premises, and income-producing or farm properties. Although the Bank makes agricultural loans, it currently does not have a significant amount of agricultural loans. The primary risks of commercial real estate loans are loss of income of the owner or occupier of the property and the inability of the market to sustain rent levels. Although commercial and commercial real estate loans generally bear more risk than single-family residential mortgage loans, they tend to be higher yielding, have shorter terms and provide for interest-rate adjustments. Accordingly, commercial and commercial real estate loans enhance a lender’s interest rate risk management and, in management’s opinion, promote more rapid asset and income growth than a loan portfolio composed strictly of residential real estate mortgage loans.

Although a risk of nonpayment exists for all loans, certain specific risks are associated with various kinds of loans. One of the primary risks associated with commercial loans is the possibility that the commercial borrower will not generate income sufficient to repay the loan. The Bank’s Credit Policy provides that commercial loan applications must be supported by documentation indicating cash flow sufficient for the borrower to service the proposed loan. Financial statements or tax returns for at least three years must be submitted, and annual reviews are required for business purpose relationships of $1,000,000 or more. Ongoing financial information is generally required for any commercial credit where the exposure is $250,000 or more.

The fair value of collateral for collateralized commercial loans must exceed the Bank’s exposure. For this purpose fair value is determined by independent appraisal or by the loan officer’s estimate employing guidelines established by the Credit Policy. Loans not secured by real estate generally have terms of five years or fewer, unless guaranteed by the U.S. Small Business Administration or other governmental agency, and term loans secured by collateral having a useful life exceeding five years may have longer terms. The Bank’s Credit Policy allows for terms of up to 15 years for loans secured by commercial real estate, and one year for business lines of credit. The maximum LTV ratio for commercial real estate loans is 80% of the appraised value or cost, whichever is less.

Real estate is commonly a material component of collateral for the Bank’s loans, including commercial loans. Although the expected source of repayment is generally the operations of the borrower’s business or personal income, real estate collateral provides an additional measure of security. Risks associated with loans secured by real estate include fluctuating land values, changing local economic conditions, changes in tax policies, and a concentration of loans within a limited geographic area.

At December 31, 2017 commercial and commercial real estate loans totaled $539.3 million, or 58.4% of the Bank’s total loan portfolio. At December 31, 2017, commercial and commercial real estate loans of approximately $4.4 million were over 90 days delinquent or non-accruing on that date, and represented 0.8% of the commercial and commercial real estate loan portfolios. At December 31, 2016, commercial and commercial real estate loans totaled $310.1 million, or 50.9% of the Bank’s total loan portfolio. At December 31, 2016, commercial and commercial real estate loans of approximately $1.9 million were over 90 days delinquent or non-accruing on that date, and represented 0.6% of the commercial and commercial real estate loan portfolios.

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Real Estate Construction

The Bank originates several different types of loans that it categorizes as construction loans, including:

• residential construction loans to borrowers who will occupy the premises upon completion of construction,

• residential construction loans to builders,

• commercial construction loans, and

• real estate acquisition and development loans.

Because of the complex nature of construction lending, these loans are generally recognized as having a higher degree of risk than other forms of real estate lending. The Bank’s fixed-rate and adjustable-rate construction loans do not provide for the same interest rate terms on the construction loan and on the permanent mortgage loan that follows completion of the construction phase of the loan. It is the norm for the Bank to make residential construction loans without an existing written commitment for permanent financing. The Bank’s Credit Policy provides that the Bank may make construction loans with terms of up to one year, with a maximum LTV ratio for residential construction of 80%. The Bank also offers residential construction-to-permanent loans that have a twelve-month construction period followed by 30 years of permanent financing.

At December 31, 2017, real estate construction loans totaled $47.0 million, or 5.1% of the Bank’s total loan portfolio. There were no real estate construction loans 90 days delinquent or non-accruing on that date. At December 31, 2016, real estate construction loans totaled $23.7 million, or 3.9% of the Bank’s total loan portfolio. There were no real estate construction loans 90 days delinquent or non-accruing on that date.

Consumer Installment Loans The Bank’s consumer installment loans include secured and unsecured loans to individual borrowers for a variety of purposes, including personal, home improvement, revolving credit lines, autos, boats, and recreational vehicles. The Bank does not currently do any indirect lending. Unsecured consumer loans carry significantly higher interest rates than secured loans. The Bank maintains a higher loan loss allowance for consumer loans, while maintaining strict credit guidelines when considering consumer loan applications.

According to the Bank’s Credit Policy, consumer loans secured by collateral other than real estate generally may have terms of up to five years, and unsecured consumer loans may have terms up to three years. Real estate security generally is required for consumer loans having terms exceeding five years.

At December 31, 2017, the Bank had approximately $18.7 million in its consumer installment loan portfolio, representing 2.0% of total loans. At December 31, 2016, the Bank had approximately $4.5 million in its consumer installment loan portfolio, representing 0.7% of total loans.

Loan Solicitation and Processing Loan originations are developed from a number of sources, including continuing business with depositors, other borrowers and real estate builders, solicitations by Bank personnel and walk-in customers.

When a loan request is made, the Bank reviews the application, credit bureau reports, property appraisals or evaluations, financial information, verifications of income, and other documentation concerning the creditworthiness of the borrower, as applicable to each loan type. The Bank’s underwriting guidelines are set by senior management and approved by the Board of Directors. The Credit Policy specifies each individual officer’s loan approval authority. Loans exceeding an individual officer’s approval authority are submitted to an Officer’s Loan Committee, which has authority to approve loans up to $2,000,000. The Board of Directors’ Loan Committee acts as an approval authority for exposures over $2,000,000 and up to $5,000,000. Loans exceeding $5,000,000 require approval from the full Board of Directors.

Income from Lending Activities The Bank earns interest and fee income from its lending activities. Net of origination costs, loan origination fees are amortized over the life of a loan. The Bank also receives loan fees related to existing loans, including late charges. Income from loan origination and commitment fees and discounts varies with the volume and type of loans and commitments made and with competitive and economic conditions. Note 1 to the Consolidated Financial Statements included herein contains a discussion of the manner in which loan fees and income are recognized for financial reporting purposes.

Mortgage Banking Activity The Bank originates conventional loans secured by first lien mortgages on one-to-four family residential properties located within its market area for either portfolio or sale into the secondary market. During the year ended December 31, 2017, the Bank recorded gains of $291,000 on the sale of $10.0 million in loans receivable originated for sale. During the year ended December 31, 2016, the Bank recorded gains of $419,000 on the sale of $19.7 million in loans receivable originated for sale. The sold loans were sold on a servicing retained basis to Freddie Mac.

In addition to interest earned on loans and income recognized on the sale of loans, the Bank receives fees for servicing loans that it has sold. Because the Bank has data processing capacity that will allow it to expand its portfolio of serviced loans without incurring significant incremental expenses, the Bank intends in the future to augment its portfolio of loans serviced by continuing to originate and sell such fixed-rate single-family residential mortgage loans to Freddie Mac while retaining servicing.

Income from these activities will vary from period to period with the volume and type of loans originated and sold, which in turn is dependent on prevailing mortgage interest rates and their effect on the demand for loans in the Bank’s market area.

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Student Lending Through its merger with Liberty, MBC acquired a private student loan book of business.  These loans provided qualified borrowers with the ability to finance the costs associated with obtaining a degree and to refinance their existing student loans.  Pursuant to loan origination agreements with student loan originating and servicing companies, MBC made student loans to qualified students and sold those loans, without recourse and with servicing released, into the secondary market.  Gains on the sales of these loans as well as interest income earned while held by MBC are included in the Consolidated Statement of Income.  During the year ended December 31, 2017, the Company originated $365.7 million in student loans.  During the year ended December 31, 2016, Liberty originated $259.0 million in student loans.  Near the end of 2017, the program’s requirements and duration changed, which increased the risk profile.  The Company therefore has ceased the origination of new student loans. 

Nonperforming Loans Late charges on residential mortgages and consumer loans are assessed if a payment is not received by the due date plus a grace period. When an advanced stage of delinquency appears on a single-family loan and if repayment cannot be expected within a reasonable time or a repayment agreement is not entered into, a required notice of foreclosure or repossession proceedings may be prepared by the Bank’s attorney and delivered to the borrower so that foreclosure proceedings may be initiated promptly, if necessary. The Bank also collects late charges on commercial loans.

When the Bank acquires real estate through foreclosure, voluntary deed, or similar means, the real estate is classified as OREO until it is sold. When property is acquired in this manner, it is recorded at the lower of cost (the unpaid principal balance at the date of acquisition) or fair value, less anticipated cost to sell. Any subsequent write-down is charged to expense. All costs incurred from the date of acquisition to maintain the property are expensed. OREO is appraised during the foreclosure process, before acquisition when possible. Losses are recognized for the amount by which the book value of the related mortgage loan exceeds the estimated net realizable value of the property.

The Bank undertakes regular review of the loan portfolio to assess its risks, particularly the risks associated with the commercial loan portfolio.

Classified Assets FDIC regulations governing classification of assets require nonmember commercial banks — including the Bank — to classify their own assets and to establish appropriate general and specific allowances for losses, subject to FDIC review. The regulations are designed to encourage management to evaluate assets on a case-by-case basis, discouraging automatic classifications. Under this classification system, problem assets of insured institutions are classified as “substandard,” “doubtful,” or “loss.” An asset is considered “substandard” if it is inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Substandard assets include those characterized by the distinct possibility that the insured institution will sustain some loss if the deficiencies are not corrected. Assets classified as “doubtful” have all the weaknesses inherent in those classified substandard, with the added characteristic that the weaknesses make collection of principal in full — on the basis of currently existing facts, conditions, and values — highly questionable and improbable. Assets classified as “loss” are those considered uncollectible and of such little value that their continuance as assets without the establishment of a specific loss reserve is not warranted. Assets that do not expose the Bank to risk sufficient to warrant classification in one of the above categories, but that possess some weakness, are required to be designated “special mention” by management.

When an FDIC insured institution classifies assets as either “substandard” or “doubtful,” it may establish allowances for loan losses in an amount deemed prudent by management. When an insured institution classifies assets as “loss,” it is required either to establish an allowance for losses equal to 100% of that portion of the assets so classified or to charge off that amount. An Ohio nonmember bank’s determination about classification of its assets and the amount of its allowances is subject to review by the FDIC and the Ohio Division of Financial Institutions (the “ODFI”), which may order the establishment of additional loss allowances. Management also employs an independent third party to semi-annually review and validate the internal loan review process and loan classifications.

As of December 31, 2017, 2016, 2015, 2014, and 2013 consolidated classified loans were as follows:

	Classified Loans at December 31,
	2017					2016					2015					2014					2013
(Dollars in thousands)	Amount		Percent of total loans			Amount		Percent of total loans			Amount		Percent of total loans			Amount		Percent of total loans			Amount		Percent of total loans
Classified loans:
Special mention	$	11,829		1.28	%	$	5,657		0.93	%	$	5,297		0.99	%	$	4,987		1.06	%	$	4,685		1.08	%
Substandard		13,625		1.48	%		11,777		1.93	%		15,586		2.92	%		16,211		3.44	%		19,328		4.44	%
Doubtful		-		0.00	%		-		0.00	%		130		0.02	%		627		0.13	%		43		0.01	%
Total amount due	$	25,454		2.76	%	$	17,434		2.86	%	$	21,013		3.93	%	$	21,825		4.63	%	$	24,056		5.53	%

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Other than those disclosed in the preceding table, the Bank does not believe there are any loans classified for regulatory purposes as loss, doubtful, substandard, special mention or otherwise, which will result in losses or have a material impact on future operations, liquidity or capital reserves. We are not aware of any other information that causes us to have serious doubts as to the ability of borrowers in general to comply with repayment terms.

Investments Investment securities provide a return on residual funds after lending activities. Investments may be in federal funds sold, corporate securities, U.S. Government and agency obligations, state and local government obligations and government-guaranteed mortgage-backed securities. The Bank generally does not invest in securities that are rated less than investment grade by a nationally recognized statistical rating organization. Ohio law prescribes the kinds of investments an Ohio-chartered bank may make. Permitted investments include local, state, and federal government securities, mortgage-backed securities, and securities of federal government agencies. An Ohio-chartered bank also may invest up to 10% of its assets in corporate debt and equity securities, or a higher percentage in certain circumstances. Ohio law also limits to 15% of capital the amount an Ohio-chartered bank may invest in the securities of any one issuer, other than local, state, and federal government and federal government agency issuers and mortgage-backed securities issuers. These provisions have not been a material constraint upon the Bank’s investment activities.

All securities-related activity is reported to the Bank’s board of directors. General changes in investment strategy are required to be reviewed and approved by the board. Senior management can purchase and sell securities in accordance with the Bank’s stated investment policy.

Management determines the appropriate classification of securities at the time of purchase. At this time the Bank has no securities that are classified as held to maturity. Securities to be held for indefinite periods and not intended to be held to maturity or on a long-term basis are classified as available for sale. Available-for-sale securities are reflected on the balance sheet at their fair value.

The following table exhibits the consolidated amortized cost and fair value of the Bank’s investment portfolio:

	Investment Portfolio Amortized Cost and Fair Value at December 31,
	2017				2016				2015
(Dollars in thousands)	Amortized cost		Fair value		Amortized cost		Fair value		Amortized cost		Fair value
Available for Sale:
U.S. Government agency securities	$	8,664	$	8,719	$	10,158	$	10,236	$	21,655	$	21,629
Obligations of states and political subdivisions:
Taxable		504		512		1,615		1,740		1,989		2,123
Tax-exempt		65,408		66,917		78,327		79,483		91,940		95,167
Mortgage-backed securities in government- sponsored entities		18,640		18,510		20,128		20,069		24,480		24,524
Private-label mortgage-backed securities		-		-		1,579		1,709		2,079		2,263
Equity securities in financial institutions		415		625		750		1,139		750		814
Total Investment Securities	$	93,631	$	95,283	$	112,557	$	114,376	$	142,893	$	146,520

The contractual maturity of investment debt securities is as follows:

	December 31, 2017
	One year or less					More than one to five years					More than five to ten years					More than ten years					Total investment securities
	Amortized cost		Average yield			Amortized cost		Average yield			Amortized cost		Average yield			Amortized cost		Average yield			Amortized cost		Average yield			Fair value
(Dollars in thousands)
U.S. government agency securities	$	-		-		$	2,000		1.38	%	$	-		-		$	6,664		3.23	%	$	8,664		2.80	%	$	8,719
Obligations of states and political subdivisions:
Taxable		-		-			-		-			504		4.85	%		-		-			504		4.85	%		512
Tax-exempt **		2,340		4.35	%		7,718		3.38	%		6,122		3.44	%		49,228		3.11	%		65,408		3.22	%		66,917
Mortgage-backed securities in government-sponsored entities		-		-			-		-			4,366		1.87	%		14,274		2.56	%		18,640		2.40	%		18,510
Total	$	2,340		4.35	%	$	9,718		2.97	%	$	10,992		2.88	%	$	70,166		3.01	%	$	93,216		3.03	%	$	94,658

** Tax equivalent yield

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Expected maturities of investment securities could differ from contractual maturities because the borrower, or issuer, could have the right to call or prepay obligations with or without call or prepayment penalties.

As of December 31, 2017, the Bank also held 35,892 shares of $100 par value Federal Home Loan Bank of Cincinnati stock, which is a restricted security. FHLB stock represents an equity interest in the FHLB, but it does not have a readily determinable market value. The stock can be sold at its par value only, and only to the FHLB or to another member institution. Member institutions are required to maintain a minimum stock investment in the FHLB, based on total assets, total mortgages, and total mortgage-backed securities. The Bank’s minimum investment in FHLB stock at December 31, 2016 was $3.6 million.

Sources of Funds — Deposit Accounts Deposit accounts are a major source of funds for the Bank. The Bank offers a number of deposit products to attract both commercial and regular consumer checking and savings customers, including regular and money market savings accounts, NOW accounts, and a variety of fixed-maturity, fixed-rate certificates with maturities ranging from 3 to 60 months. These accounts earn interest at rates established by management based on competitive market factors and management’s desire to increase certain types or maturities of deposit liabilities. The Bank also provides travelers’ checks, official checks, money orders, ATM services, and IRA accounts.   

The following table shows on a consolidated basis the amount of time deposits of $100,000 or more as of December 31, 2017, including certificates of deposit, by time remaining until maturity.

(Dollar amounts in thousands)	Amount		Percent of Total
Within three months	$	16,338		12.33	%
Beyond three but within six months		16,213		12.24	%
Beyond six but within twelve months		23,212		17.52	%
Beyond one year		76,731		57.91	%
Total	$	132,494		100.00	%

Borrowings Deposits and repayment of loan principal are the Bank’s primary sources of funds for lending activities and other general business purposes. However, when the supply of funds cannot satisfy the demand for loans or general business purposes, the Bank can obtain funds from the FHLB of Cincinnati. Interest and principal are payable monthly, and the line of credit is secured by a pledge collateral agreement. At December 31, 2017, MBC had $90.8 million of FHLB borrowings outstanding. The Company’s subsidiary bank also has access to credit through the Federal Reserve Bank of Cleveland and other funding sources.

The outstanding balances and related information about short-term borrowings as of December 31, 2017 and 2016, which includes securities sold under agreements to repurchase, lines of credit with other banks and Federal Funds purchased are summarized on a consolidated basis as follows:

(Dollar amounts in thousands)	2017			2016
Balance at year-end	$	74,707		$	68,359
Average balance outstanding		63,910			37,130
Maximum month-end balance		114,025			68,359
Weighted-average rate at year-end		1.36	%		0.61	%
Weighted-average rate during the year		1.18	%		0.89	%

Personnel

As of December 31, 2017, the Bank had 190 full-time equivalent employees. None of the employees are represented by a collective bargaining group.

Supervision and Regulation

The following discussion of bank supervision and regulation is qualified in its entirety by reference to the statutory and regulatory provisions discussed. Changes in applicable law or in the policies of various regulatory authorities could materially affect the business and prospects of the Company.

The Company is a bank holding company within the meaning of the Bank Holding Company Act of 1956. As such, the Company is subject to regulation, supervision, and examination by the Board of Governors of the Federal Reserve System, acting primarily through the Federal Reserve Bank of Cleveland. The Company is required to file annual reports and other information with the Federal Reserve. The bank subsidiary is an Ohio-chartered commercial bank. As a state-chartered, nonmember bank, the bank is primarily regulated by the FDIC and by the Ohio Division of Financial Institutions.

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The Company and The Middlefield Banking Company are subject to federal banking laws, and the Company is also subject to Ohio bank law. These federal and state laws are intended to protect depositors, not stockholders. Federal and state laws applicable to holding companies and their financial institution subsidiaries regulate the range of permissible business activities, investments, reserves against deposits, capital levels, lending activities and practices, the nature and amount of collateral for loans, establishment of branches, mergers, dividends, and a variety of other important matters. The Bank is subject to detailed, complex, and sometimes overlapping federal and state statutes and regulations affecting routine banking operations. These statutes and regulations include but are not limited to state usury and consumer credit laws, the Truth-in-Lending Act and Regulation Z, the Equal Credit Opportunity Act and Regulation B, the Fair Credit Reporting Act, the Truth in Savings Act, and the Community Reinvestment Act. The Bank must comply with Federal Reserve Board regulations requiring depository institutions to maintain reserves against their transaction accounts (principally NOW and regular checking accounts). Because required reserves are commonly maintained in the form of vault cash or in a noninterest-bearing account (or pass-through account) at a Federal Reserve Bank, the effect of the reserve requirement is to reduce an institution’s earning assets.

The Federal Reserve Board and the FDIC have extensive authority to prevent and to remedy unsafe and unsound practices and violations of applicable laws and regulations by institutions and holding companies. The agencies may assess civil money penalties, issue cease-and-desist or removal orders, seek injunctions, and publicly disclose those actions. In addition, the Ohio Division of Financial Institutions possesses enforcement powers to address violations of Ohio banking law by Ohio-chartered banks.

Regulation of Bank Holding Companies — Bank and Bank Holding Company Acquisitions The Bank Holding Company Act requires every bank holding company to obtain approval of the Federal Reserve before:

• directly or indirectly acquiring ownership or control of any voting shares of another bank or bank holding company, if after the acquisition the acquiring company would own or control more than 5% of the shares of the other bank or bank holding company (unless the acquiring company already owns or controls a majority of the shares),

• acquiring all or substantially all of the assets of another bank, or

• merging or consolidating with another bank holding company.

The Federal Reserve will not approve an acquisition, merger, or consolidation that would have a substantially anticompetitive result, unless the anticompetitive effects of the proposed transaction are clearly outweighed by a greater public interest in satisfying the convenience and needs of the community to be served. The Federal Reserve also considers capital adequacy and other financial and managerial factors in its review of acquisitions and mergers.

Additionally, the Bank Holding Company Act, the Change in Bank Control Act and the Federal Reserve Board’s Regulation Y require advance approval of the Federal Reserve to acquire “control” of a bank holding company. Control is conclusively presumed to exist if an individual or company acquires 25% or more of a class of voting securities of the bank holding company. If the holding company has securities registered under Section 12 of the Securities Exchange Act of 1934, as the Company does, or if no other person owns a greater percentage of the class of voting securities, control is presumed to exist if a person acquires 10% or more, but less than 25%, of any class of voting securities. Approval of the Ohio Division of Financial Institutions is also necessary to acquire control of an Ohio-chartered bank.

Nonbanking Activities With some exceptions, the Bank Holding Company Act generally prohibits a bank holding company from acquiring or retaining direct or indirect ownership or control of more than 5% of the voting shares of any company that is not a bank or bank holding company, or from engaging directly or indirectly in activities other than those of banking, managing or controlling banks, or providing services for its subsidiaries. The principal exceptions to these prohibitions involve nonbank activities that, by statute or by Federal Reserve Board regulation or order, are held to be closely related to the business of banking or of managing or controlling banks. In making its determination that a particular activity is closely related to the business of banking, the Federal Reserve considers whether the performance of the activities by a bank holding company can be expected to produce benefits to the public — such as greater convenience, increased competition, or gains in efficiency in resources — that will outweigh the risks of possible adverse effects such as decreased or unfair competition, conflicts of interest, or unsound banking practices. Some of the activities determined by Federal Reserve Board regulation to be closely related to the business of banking are: making or servicing loans or leases; engaging in insurance and discount brokerage activities; owning thrift institutions; performing data processing services; acting as a fiduciary or investment or financial advisor; and making investments in corporations or projects designed primarily to promote community welfare.

Financial Holding Companies On November 12, 1999 the Gramm-Leach-Bliley Act became law, repealing much of the 1933 Glass-Steagall Act’s separation of the commercial and investment banking industries. The Gramm-Leach-Bliley Act expands the range of nonbanking activities a bank holding company may engage in, while preserving existing authority for bank holding companies to engage in activities that are closely related to banking. The legislation creates a new category of holding company called a “financial holding company.” Financial holding companies may engage in any activity that is:

• financial in nature or incidental to that financial activity, or

• complementary to a financial activity and that does not pose a substantial risk to the safety and soundness of depository institutions or the financial system generally.

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Activities that are financial in nature include:

• acting as principal, agent, or broker for insurance,

• underwriting, dealing in, or making a market in securities, and

• providing financial and investment advice.

The Federal Reserve Board and the Secretary of the Treasury have authority to decide that other activities are also financial in nature or incidental to financial activity, taking into account, among others, changes in technology, changes in the banking marketplace, and competition for banking services. The Company is engaged solely in activities that were permissible for a bank holding company before enactment of the Gramm-Leach-Bliley Act. Federal Reserve Board rules require that all of the depository institution subsidiaries of a financial holding company be and remain well capitalized and well managed. If all depository institution subsidiaries of a financial holding company do not remain well capitalized and well managed, the financial holding company must enter into an agreement acceptable to the Federal Reserve Board, undertaking to comply with all capital and management requirements within 180 days. In the meantime the financial holding company may not use its expanded authority to engage in nonbanking activities without Federal Reserve Board approval and the Federal Reserve may impose other limitations on the holding company’s or affiliates’ activities. If a financial holding company fails to restore the well-capitalized and well-managed status of a depository institution subsidiary, the Federal Reserve may order divestiture of the subsidiary.

Holding Company Capital and Source of Strength The Federal Reserve considers the adequacy of a bank holding company’s capital on essentially the same risk-adjusted basis as capital adequacy is determined by the FDIC at the bank subsidiary level. It is also Federal Reserve Board policy that bank holding companies serve as a source of strength for their subsidiary banking institutions.

Under Bank Holding Company Act section 5(e), the Federal Reserve Board may require a bank holding company to terminate any activity or relinquish control of a nonbank subsidiary if the Federal Reserve Board determines that the activity or control constitutes a serious risk to the financial safety, soundness or stability of a subsidiary bank. And with the Federal Deposit Insurance Corporation Improvement Act of 1991’s addition of the prompt corrective action provisions to the Federal Deposit Insurance Act, section 38(f)(2)(I) of the Federal Deposit Insurance Act now provides that a federal bank regulatory authority may require a bank holding company to divest itself of an undercapitalized bank subsidiary if the agency determines that divestiture will improve the bank’s financial condition and prospects.

Capital — Risk-Based Capital Requirements The Federal Reserve Board and the FDIC employ similar risk-based capital guidelines in their examination and regulation of bank holding companies and financial institutions. If capital falls below the minimum levels established by the guidelines, the bank holding company or bank may be denied approval to acquire or establish additional banks or nonbank businesses or to open new facilities. Failure to satisfy capital guidelines could subject a banking institution to a variety of restrictions or enforcement actions by federal bank regulatory authorities, including the termination of deposit insurance by the FDIC and a prohibition on the acceptance of brokered deposits.

A bank’s capital hedges its risk exposure, absorbing losses that can be predicted as well as losses that cannot be predicted. According to the Federal Financial Institutions Examination Council’s explanation of the capital component of the Uniform Financial Institutions Rating System, commonly known as the “CAMELS” rating system, a rating system employed by the Federal bank regulatory agencies, a financial institution must “maintain capital commensurate with the nature and extent of risks to the institution and the ability of management to identify, measure, monitor, and control these risks. The effect of credit, market, and other risks on the institution’s financial condition should be considered when evaluating the adequacy of capital.” Under Basel III, the Company and the Bank are required to maintain a minimum common equity Tier 1 capital ratio of 4.5%, a Tier 1 capital ratio of 6%, a total capital ratio of 8%, and a Tier 1 leverage ratio of 4%. Basel III also established a “capital conservation buffer” of 2.5% above the new regulatory minimum capital requirements, which must consist entirely of common equity Tier 1 capital with phased-in effectiveness that began in January 2016 at 0.625% of risk-weighted assets and increases by that amount each year until fully implemented in January 2019. The capital conservation buffer is designed to absorb losses during periods of economic stress. Banking institutions with a common equity Tier 1 ratio to risk-weighted assets above the minimum but below the conservation buffer will face constraints on dividends, equity repurchases and compensation based on the amount of the shortfall. These ratios are absolute minimums. In practice, banks are expected to operate with more than the absolute minimum capital. The FDIC may establish greater minimum capital requirements for specific institutions.

The FDIC also employs a market risk component in its calculation of capital requirements for nonmember banks. The market risk component could require additional capital for general or specific market risk of trading portfolios of debt and equity securities and other investments or assets. The FDIC’s evaluation of an institution’s capital adequacy takes account of a variety of other factors as well, including interest rate risks to which the institution is subject, the level and quality of an institution’s earnings, loan and investment portfolio characteristics and risks, risks arising from the conduct of nontraditional activities, and a variety of other factors.

Accordingly, the FDIC’s final supervisory judgment concerning an institution’s capital adequacy could differ significantly from the conclusions that might be derived from the absolute level of an institution’s risk-based capital ratios. Therefore, institutions generally are expected to maintain risk-based capital ratios that exceed the minimum ratios discussed above. This is particularly true for institutions contemplating significant expansion plans and institutions that are subject to high or inordinate levels of risk. Moreover, although the FDIC does not impose explicit capital requirements on holding companies of institutions regulated by the FDIC, the FDIC can take account of the degree of leverage and risks at the holding company level. If the FDIC determines that the holding company (or another affiliate of the institution regulated by the FDIC) has an excessive degree of leverage or is subject to inordinate risks, the FDIC may require the subsidiary institution(s) to maintain additional capital or the FDIC may impose limitations on the subsidiary institution’s ability to support its weaker affiliates or holding company.

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The banking agencies have also established a minimum leverage ratio of 4%, which represents Tier 1 capital as a percentage of total assets, less intangibles. However, for bank holding companies and financial institutions seeking to expand and for all but the most highly rated banks and bank holding companies, the banking agencies expect an additional cushion of at least 100 to 200 basis points. At December 31, 2017, the Company was in compliance with all regulatory capital requirements.

Prompt Corrective Action. To resolve the problems of undercapitalized institutions and to prevent a recurrence of the banking crisis of the 1980s and early 1990s, the Federal Deposit Insurance Corporation Improvement Act of 1991 established a system known as “prompt corrective action.” Under the prompt corrective action provisions and implementing regulations, every institution is classified into one of five categories, depending on its total capital ratio, its Tier 1 capital ratio, its common equity Tier 1 risk-based capital ratio, its leverage ratio, and subjective factors. The categories are “well capitalized,” “adequately capitalized,” “undercapitalized,” “significantly undercapitalized” and “critically undercapitalized.” To be considered well capitalized for purposes of the prompt corrective action rules, a bank must maintain total risk-based capital of 10.0% or greater, Tier 1 risk-based capital of 8.0% or greater, common equity Tier 1 capital of 6.5% or greater, and leverage capital of 5.0% or greater. An institution with a capital level that might qualify for well capitalized or adequately capitalized status may nevertheless be treated as though it were in the next lower capital category if its primary federal banking supervisory authority determines that an unsafe or unsound condition or practice warrants that treatment.

A financial institution’s operations can be significantly affected by its capital classification under the prompt corrective action rules. For example, an institution that is not well capitalized generally is prohibited from accepting brokered deposits and offering interest rates on deposits higher than the prevailing rate in its market without advance regulatory approval, which can have an adverse effect on the bank’s liquidity. At each successively lower capital category, an insured depository institution is subject to additional restrictions. Undercapitalized institutions are required to take specified actions to increase their capital or otherwise decrease the risks to the federal deposit insurance funds. A bank holding company must guarantee that a subsidiary bank that adopts a capital restoration plan will satisfy its plan obligations. Any capital loans made by a bank holding company to a subsidiary bank are subordinated to the claims of depositors in the bank and to certain other indebtedness of the subsidiary bank. If bankruptcy of a bank holding company occurs, any commitment by the bank holding company to a Federal banking regulatory agency to maintain the capital of a subsidiary bank would be assumed by the bankruptcy trustee and would be entitled to priority of payment. Bank regulatory agencies generally are required to appoint a receiver or conservator shortly after an institution becomes critically undercapitalized.

The following table illustrates the capital and prompt corrective action guidelines applicable to the Company and its subsidiary.

	As of December 31, 2017
	Leverage			Tier 1 Risk Based			Common Equity Tier 1			Total Risk Based
The Middlefield Banking Company		9.47	%		10.88	%		10.88	%		11.64	%
Middlefield Banc Corp.		10.20	%		11.64	%		10.79	%		12.41	%
Adequately capitalized ratio		4.00	%		6.00	%		4.50	%		8.00	%
Adequately capitalized ratio plus fully phased-in capital conservation buffer		4.00	%		8.50	%		7.00	%		10.50	%
Well-capitalized ratio (Bank only)		5.00	%		8.00	%		6.50	%		10.00	%

New Capital Rules On July 9, 2013, the federal bank regulatory agencies issued a final rule that revised their risk-based capital requirements and the method for calculating risk-weighted assets to make them consistent with agreements that were reached by the Basel Committee on Banking Supervision and certain provisions of the Dodd-Frank Act. The final rule applies to all depository institutions, top-tier bank holding companies with total consolidated assets of $1 billion or more and top-tier savings and loan holding companies.

The rule established a new common equity Tier 1 minimum capital requirement (4.5% of risk-weighted assets), increased the minimum Tier 1 capital to risk-based assets requirement (from 4.0% to 6.0% of risk-weighted assets), increased the minimum leverage ratio to 4% for all institutions, and assigned a higher risk weight (150%) to exposures that are more than 90 days past due or are on nonaccrual status and to certain commercial real estate facilities that finance the acquisition, development or construction of real property.

The rule also included changes in what constitutes regulatory capital. In the first quarter of 2015 the Company permanently opted out of the inclusion of accumulated other comprehensive income in its capital calculation in an effort to reduce the impact of market volatility on its regulatory capital levels.

The new capital requirements also include changes in the risk weights of assets to better reflect credit risk and other risk exposures. These include a 150% risk weight (up from 100%) for certain high volatility commercial real estate acquisition, development and construction loans and nonresidential mortgage loans that are 90 day past due or otherwise on nonaccrual status; a 20% (up from 0%) credit conversion factor for the unused portion of a commitment with an original maturity of one year or less that is not unconditionally cancellable; a 250% risk weight (up from 100%) for mortgage servicing and deferred tax assets that are not deducted from capital; and increased risk-weights (from 0% to up to 600%) for equity exposures.

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Finally, the rule limits capital distributions and certain discretionary bonus payments if the banking organization does not hold a “capital conservation buffer” consisting of 2.5% of common equity Tier 1 capital to risk-weighted assets in addition to the amount necessary to meet its minimum risk-based capital requirements.

The final rule became effective for the bank on January 1, 2015. The phase in of the capital conservation buffer requirement began on January 1, 2016 at 0.625% of risk-weighted assets and increases each year until fully implemented at 2.5% on January 1, 2019.      

Limits on Dividends and Other Payments The Company’s ability to obtain funds for the payment of dividends and for other cash requirements depends on the amount of dividends that may be paid to it by the bank. Ohio bank law and FDIC policy are consistent, providing that banks generally may rely solely on current earnings for the payment of dividends. Under Ohio Revised Code section 1107.15(B) a dividend may be declared from surplus, meaning additional paid-in capital, with the approval of (x) the Ohio Superintendent of Financial Institutions and (y) the holders of two thirds of the bank’s outstanding shares. Superintendent approval is also necessary for payment of a dividend if the total of all cash dividends in a year exceeds the sum of (x) net income for the year and (y) retained net income for the two preceding years. Relying on 12 U.S.C. 1818(b), the FDIC may restrict a bank’s ability to pay a dividend if the FDIC has reasonable cause to believe that the dividend would constitute an unsafe and unsound practice. A bank’s ability to pay dividends may be affected also by the FDIC’s capital maintenance requirements and prompt corrective action rules. A bank may not pay a dividend if the bank is undercapitalized or if payment would cause the bank to become undercapitalized.

A 1985 policy statement of the Federal Reserve Board declares that a bank holding company should not pay cash dividends on common stock unless the organization’s net income for the past year is sufficient to fully fund the dividends and the prospective rate of earnings retention appears consistent with the organization’s capital needs, asset quality, and overall financial condition. Until the second anniversary of the January 12, 2017 merger of Liberty into The Middlefield Banking Company, The Middlefield Banking Company cannot pay a dividend to Middlefield Banc Corp. without advance approval of the Ohio Division of Financial Institutions.

The Dodd-Frank Act The Dodd-Frank Wall Street Reform and Consumer Protection Act (“DFA”) became law on July 21, 2010. The DFA includes corporate governance and executive compensation reforms, new registration requirements for hedge fund and private equity fund advisers, increased regulation of over-the-counter derivatives and asset-backed securities, and new rules for credit rating agencies. The DFA includes these provisions:

• Title X established an independent Federal regulatory body within the Federal Reserve System. Dedicated exclusively to consumer protection and known as the Consumer Financial Protection Bureau (the “CFPB”), this regulatory body has responsibility for most consumer protection laws, with rulemaking, supervisory, examination, and enforcement authority.

• section 171 restricted the amount of trust preferred securities that may be considered Tier 1 capital. For depository institution holding companies with total assets of less than $15 billion, trust preferred securities issued before May 19, 2010 continue to be included in Tier 1 capital, but future issuances of trust preferred securities are no longer eligible for treatment as Tier 1 capital.

• under section 334 the FDIC’s minimum reserve ratio is to be increased from 1.15% to 1.35%, with the goal of attaining that 1.35% level by September 30, 2020; however, financial institutions with assets of less than $10 billion are exempt from the cost of the increase. The DFA also removes the upper limit on the designated reserve ratio, which was formerly capped at 1.5%, removing the upper limit on the size of the insurance fund as a consequence. The DFA gives the FDIC much greater discretion to manage its insurance fund reserves, including where to set the insurance fund’s designated reserve ratio.

• the deposit insurance cover limit was increased to $250,000 by section 335.

• section 627 repealed the longstanding prohibition against financial institutions paying interest on checking accounts.

• section 331 changed the way deposit insurance premiums are calculated by the FDIC as well. That is, deposit insurance premiums are calculated based upon an institution’s so-called assessment base. Until the DFA became law, the assessment base consisted of an institution’s deposit liabilities. Section 331, however, makes clear that the assessment base shall now be the difference between total assets and tangible equity. In other words, the assessment base takes account of all liabilities, not merely deposit liabilities.

• the Office of the Comptroller of the Currency’s ability to preempt state consumer protection laws is constrained by section 1044, and because of section 1042 state attorneys general have greater authority to enforce state consumer protection laws against national banks and their operating subsidiaries.

• section 604 requires the Federal bank regulatory agencies to take into account the risks to the stability of the U.S. banking or financial system associated with approval of an application for acquisition of a bank, for acquisition of a nonbank company, or for a bank merger transaction.

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• section 619 implements the so-called “Volcker rule,” prohibiting a banking entity from engaging in proprietary trading or from sponsoring or investing in a hedge fund or private equity fund.

The CFPB, which has rulemaking, supervisory, and enforcement powers under specific federal consumer financial protection laws, including the Equal Credit Opportunity Act, Truth in Lending Act, Real Estate Settlement Procedures Act, Fair Credit Reporting Act, Fair Debt Collection Act, and Consumer Financial Privacy provisions of the Gramm-Leach-Bliley Act. In addition to giving the CFPB responsibility for these specific statutes, the DFA grants to the CFPB broad authority to prohibit the offering by banks of consumer financial products or engaging in acts or practices that the CFPB considers to be unfair, deceptive, or abusive. The CFPB has examination and primary enforcement authority over depository institutions with $10 billion or more in assets, not smaller institutions. However, smaller institutions are subject to CFPB rules. In addition, the standards established by the CFPB for large institutions have applied in practice to smaller institutions as well. The DFA does not prevent states from adopting consumer protection laws and standards that are more stringent than those adopted at the federal level and, in certain circumstances, permits state attorneys general to enforce compliance with both the state and federal laws and regulations.

Implementing section 1411 of the DFA, in 2013 the CFPB amended Regulation Z under the Truth in Lending Act, adding a rule that mortgage lenders must make a reasonable and good faith determination that a consumer being granted mortgage credit has the ability to repay the loan according to its terms. Under this new rule, referred to as the “ability-to-repay” rule, mortgage lenders may determine the consumer’s ability to repay in one of two ways. The first alternative involves assessment of eight underwriting factors, including the loan applicant’s current or reasonably expected income or assets, current employment status, monthly payment for the credit applied for, monthly payment on any simultaneous loan being made to the applicant, monthly payment for mortgage-related obligations, current debt obligations, alimony, and child support, monthly debt-to-income ratio or residual income, and credit history. The second alternative involves origination of a so-called “qualified mortgage,” meaning a mortgage with terms that are consistent with minimum standards established by the CFPB, which currently include a maximum 43% debt-to-income ratio for the borrower (although the 43% minimum debt-to-income ratio does not apply if the loan is eligible to be purchased, insured, or guaranteed by FNMA, FHLMC, HUD, or the VA). In general terms, a qualified mortgage is one with a term of 30 years or less, with substantially equal regular periodic payments (although adjustable-rate mortgages can be qualified mortgages), with total points and fees of 3% of the loan amount or less, and without negative amortization or interest-only payments or balloon payments.

A lender originating a qualified mortgage is protected against a legal claim that the lender failed to comply with the ability-to-repay rule. A mortgage with an interest rate exceeding the prime rate by 1.5 percentage points or more (3.5 percentage points for subordinate-lien loans such as home equity loans) is referred to in the CFPB rule as a higher-priced mortgage loan. The lender making a subprime qualified mortgage has less protection under the ability-to-repay rule than a lender making a prime qualified mortgage. A lender originating a mortgage that is not a qualified mortgage is exposed to a potential claim that the lender did not comply with the ability-to-repay rules, which could require the lender to pay damages to the borrower, including but not necessarily limited to the sum of all finance charges and fees paid by the borrower (a lender originating a subprime qualified mortgage bears this risk to a degree as well). The borrower’s claim also could impair the lender’s ability to enforce the loan terms or foreclose on the real estate collateral. Compliance with the ability-to-repay rules has increased community banks’ compliance costs, including our own.

In addition to ability to repay, the DFA imposes a risk-retention requirement on mortgage lenders selling loans into the secondary mortgage market. With some exceptions a mortgage lender selling a loan into the secondary mortgage market must retain ownership of at least 5% of the loan, the assumption being that if mortgage lenders remain exposed to credit risk they will not knowingly make loans that fail to satisfy ordinary and reasonable standards of creditworthiness. A qualified mortgage for purposes of the ability-to-repay rule is also exempt from the risk-retention requirement, allowing a mortgage lender to sell 100% of a qualified mortgage rather than only 95%.

The existing and future rulemakings issued under the Dodd-Frank Act have resulted, and may continue to result, in a significant cost of compliance. The changes resulting from the Dodd-Frank Act may impact the profitability of our business activities, require changes to certain of our business practices, impose upon us more stringent capital, liquidity and leverage requirements or otherwise materially and adversely affect us.

In an Executive Order signed on February 3, 2017, the President of the United States directed the Secretary of the Treasury, in consultation with federal financial regulators, to assess the rules promulgated under the Dodd-Frank Act since 2010 with a view to producing a plan to revise them as necessary. As such, the new U.S. presidential administration and Congress could lead to increased regulatory uncertainty for our industry and for us. It is unknown at this time to what extent new legislation will be passed into law, what pending or new regulatory proposals will be adopted, or if existing legislation or regulations will be repealed. It is also unknown what the effect of such passage, adoption or repeal would have, either positively or negatively, on our industry or on us. If legislation or regulations are implemented or repealed, it may be time-consuming and expensive for us to alter our internal operations in order to comply with such changes.

Sarbanes-Oxley Act of 2002 The goals of the Sarbanes-Oxley Act enacted in 2002 are to increase corporate responsibility, to provide for enhanced penalties for accounting and auditing improprieties at publicly traded companies, and to protect investors by improving the accuracy and reliability of corporate disclosures made under the securities laws. The changes are intended to allow shareholders to monitor the performance of companies and directors more easily and efficiently.

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The Sarbanes-Oxley Act generally applies to all companies that file periodic reports with the SEC under the Securities Exchange Act of 1934. The Act has an impact on a wide variety of corporate governance and disclosure issues, including the composition of audit committees, certification of financial statements by the chief executive officer and the chief financial officer, forfeiture of bonuses and profits made by directors and senior officers in the 12-month period covered by restated financial statements, a prohibition on insider trading during pension plan black-out periods, disclosure of off-balance sheet transactions, a prohibition on personal loans to directors and officers (excluding FDIC-insured financial institutions), expedited filing requirements for stock transaction reports by officers and directors, the formation of a public accounting oversight board, auditor independence, and various increased criminal penalties for violations of securities laws.

Deposit Insurance The Deposit Insurance fund of the FDIC insures deposits at insured depository institutions such as the Bank. Deposit accounts in the Bank are insured by the FDIC generally up to a maximum of $250,000 based upon the ownership rights and capacities in which deposit accounts are maintained at the Bank. The premium that banks pay for deposit insurance is based upon a risk classification system established by the FDIC. Banks with higher levels of capital and a low degree of supervisory concern are assessed lower premiums than banks with lower levels of capital or a higher degree of supervisory concern.

The FDIC is able to assess higher rates to institutions with a significant reliance on secured liabilities or a significant reliance on brokered deposits but, for well-managed and well-capitalized institutions, only when accompanied by rapid asset growth.

Assessments are based on the average consolidated total assets less tangible equity capital of a financial institution. Assessment rates range from 2.5 to 9 basis points on the broader assessment base for banks in the lowest risk category (“well capitalized” and CAMELS I or II) and up to 30 to 45 basis points for banks in the highest risk category.

Effective July 1, 2016, the FDIC changed the way established small banks are assessed for deposit insurance. The FDIC has eliminated the risk categories for banks, such as the Bank, that have been FDIC insured for at least five years and have less than $10 billion in total assets, and assessments are now based on financial measures and supervisory ratings derived from statistical modeling estimating the probability of failure within three years. In conjunction with the Deposit Insurance Fund reserve ratio achieving 1.15%, the assessment range (inclusive of possible adjustments) for established small banks with CAMELS I or II ratings has been reduced to 1.5 to 16 basis points and the maximum assessment rate for established small banks with CAMELS III through V ratings is 30 basis points.

The FDIC has authority to increase insurance assessments. Any significant increases would have an adverse effect on the operating expenses and results of operations of the Bank. Management cannot predict what assessment rates will be in the future.

Interstate Banking and Branching Section 613 of the DFA amends the interstate branching provisions of the Riegle-Neal Interstate Banking and Branching Efficiency Act of 1994. The expanded de novo branching authority of the DFA authorizes a state or national bank to open a de novo branch in another state if the law of the state where the branch is to be located would permit a state bank chartered by that state to open the branch. Section 607 of the DFA also increases the approval threshold for interstate bank acquisitions, providing that a bank holding company must be well capitalized and well managed as a condition to approval of an interstate bank acquisition, rather than being merely adequately capitalized and adequately managed, and that an acquiring bank must be and remain well capitalized and well managed as a condition to approval of an interstate bank merger.

Transactions with Affiliates Although The Middlefield Banking Company is not a member bank of the Federal Reserve System, it is required by the Federal Deposit Insurance Act to comply with section 23A and section 23B of the Federal Reserve Act — pertaining to transactions with affiliates — as if it were a member bank. These statutes are intended to protect banks from abuse in financial transactions with affiliates, preventing FDIC-insured deposits from being diverted to support the activities of unregulated entities engaged in nonbanking businesses. An affiliate of a bank includes any company or entity that controls or is under common control with the bank. Generally, section 23A and section 23B of the Federal Reserve Act:

● limit the extent to which a bank or its subsidiaries may lend to or engage in various other kinds of transactions with any one affiliate to an amount equal to 10% of the institution’s capital and surplus, limiting the aggregate of covered transactions with all affiliates to 20% of capital and surplus,

● impose restrictions on investments by a subsidiary bank in the stock or securities of its holding company,

● require that affiliate transactions be on terms substantially the same, or at least as favorable to the institution or subsidiary, as those provided to a non-affiliate, and

● impost strict collateral requirements on loans or extensions or credit by a bank to an affiliate

The Bank’s authority to extend credit to insiders — meaning executive officers, directors and greater than 10% stockholders — or to entities those persons control, is subject to section 22(g) and section 22(h) of the Federal Reserve Act and Regulation O of the Federal Reserve Board. Among other things, these laws require insider loans to be made on terms substantially similar to those offered to unaffiliated individuals, place limits on the amount of loans a bank may make to insiders based in part on the bank’s capital position, and require that specified approval procedures be followed. Loans to an individual insider may not exceed the legal limit on loans to any one borrower, which in general terms is 15% of capital but can be higher in some circumstances. And the aggregate of all loans to all insiders may not exceed the Bank’s unimpaired capital and surplus. Insider loans exceeding the greater of 5% of capital or $25,000 must be approved in advance by a majority of the board, with any “interested” director not participating in the voting. Lastly, loans to executive officers are subject to special limitations. Executive officers may borrow in unlimited amounts to finance their children’s education or to finance the purchase or improvement of their residence, and they may borrow no more than $100,000 for most other purposes. Loans to executive officers exceeding $100,000 may be allowed if the loan is fully secured by government securities or a segregated deposit account. A violation of these restrictions could result in the assessment of substantial civil monetary penalties, the imposition of a cease-and-desist order or other regulatory sanctions.

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Banking agency guidance for commercial real estate lending In December 2006 the FDIC and other Federal banking agencies issued final guidance on sound risk management practices for concentrations in commercial real estate lending, including acquisition and development lending, construction lending, and other land loans, which experience has shown can be particularly high-risk lending.

The commercial real estate risk management guidance does not impose rigid limits on commercial real estate lending but does create a much sharper supervisory focus on the risk management practices of banks with concentrations in commercial real estate lending. According to the guidance, an institution that has experienced rapid growth in commercial real estate lending, has notable exposure to a specific type of commercial real estate, or is approaching or exceeds the following supervisory criteria may be identified for further supervisory analysis of the level and nature of its commercial real estate concentration risk:

- total reported loans for construction, land development, and other land represent 100% or more of the institution’s total capital, or

- total commercial real estate loans represent 300% or more of the institution’s total capital and the outstanding balance of the institution’s commercial real estate loan portfolio has increased by 50% or more during the prior 36 months.

These measures are intended merely to enable the banking agencies to identify institutions that could have an excessive commercial real estate lending concentration, potentially requiring close supervision to ensure that the institutions have sound risk management practices in place. Conversely, these measures do not imply that banks are authorized by the December 2006 guidance to accumulate a commercial real estate lending concentration up to the 100% and 300% thresholds.

Community Reinvestment Act Under the Community Reinvestment Act of 1977 and implementing regulations of the banking agencies, a financial institution has a continuing and affirmative obligation — consistent with safe and sound operation — to address the credit needs of its entire community, including low- and moderate-income neighborhoods. The CRA does not establish specific lending requirements or programs for financial institutions, nor does it limit an institution’s discretion to develop the types of products and services it believes are best suited to its particular community. The CRA requires that bank regulatory agencies conduct regular CRA examinations and provide written evaluations of institutions’ CRA performance. The CRA also requires that an institution’s CRA performance rating be made public. CRA performance evaluations are based on a four-tiered rating system: Outstanding, Satisfactory, Needs to Improve and Substantial Noncompliance.

Although CRA examinations occur on a regular basis, CRA performance evaluations have been used principally in the evaluation of regulatory applications submitted by an institution. CRA performance evaluations are considered in evaluating applications for such things as mergers, acquisitions, and applications to open branches.

MBC’s CRA performance evaluation dated March 6, 2017 states that MBC’s CRA rating is “Satisfactory.”

Federal Home Loan Bank The Federal Home Loan Bank serves as a credit source for their members. As a member of the FHLB of Cincinnati, MBC is required to maintain an investment in the capital stock of the FHLB of Cincinnati in an amount calculated by reference to the FHLB member bank’s amount of loans, and or “advances,” from the FHLB.

Each FHLB is required to establish standards of community investment or service that its members must maintain for continued access to long-term advances from the FHLB. The standards take into account a member’s performance under the Community Reinvestment Act and its record of lending to first-time home buyers.

Cybersecurity Recent statements by federal regulators regarding cybersecurity indicate that financial institutions should design multiple layers of security controls to establish lines of defense and to ensure that their risk management processes also address the risk posed by compromised client credentials, including security measures to reliably authenticate clients accessing Internet-based services of the financial institution. Financial institution management is also expected to maintain sufficient business continuity planning processes to ensure the rapid recovery, resumption and maintenance of the institution’s operations after a cyber-attack involving destructive malware. A financial institution is expected to develop appropriate processes to enable recovery of data and business operations and address rebuilding network capabilities and restoring data if the institution or its critical service providers fall victim to this type of cyber-attack. If the Bank fails to observe regulatory guidance regarding appropriate cybersecurity safeguards we could be subject to various regulatory sanctions, including financial penalties.

In the ordinary course of business, the Bank relies on electronic communications and information systems to conduct its operations and to store sensitive data. The Bank employs an in-depth, layered, defensive approach that incorporates security processes and technology to manage and maintain cybersecurity controls. The Bank employs a variety of preventative and detective tools to monitor, block, and provide alerts regarding suspicious activity, as well as to report on any suspected advanced persistent threats. Notwithstanding the strength of the Bank’s defensive measures, the threat from cyber-attacks is severe, attacks are sophisticated and increasing in volume, and attackers respond rapidly to changes in defensive measures. While to date we have not experienced a significant compromise, significant data loss or any material financial losses related to cybersecurity attacks, our systems and those of our clients and third-party service providers are under constant threat and it is possible that we could experience a significant event in the future. Risks and exposures related to cybersecurity attacks are expected to remain high for the foreseeable future due to the rapidly evolving nature and sophistication of these threats, as well as due to the expanding use of Internet banking, mobile banking and other technology-based products and services by the Bank and its clients.

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Anti-money laundering and anti-terrorism legislation The Bank Secrecy Act of 1970 requires financial institutions to maintain records and report transactions to prevent the financial institutions from being used to hide money derived from criminal activity and tax evasion. The Bank Secrecy Act establishes (a) record keeping requirements to assist government enforcement agencies with tracing financial transactions and flow of funds, (b) reporting requirements for Suspicious Activity Reports and Currency Transaction Reports to assist government enforcement agencies with detecting patterns of criminal activity, (c) enforcement provisions authorizing criminal and civil penalties for illegal activities and violations of the Bank Secrecy Act and its implementing regulations, and (d) safe harbor provisions that protect financial institutions from civil liability for their cooperative efforts.

The Treasury’s Office of Foreign Asset Control administers and enforces economic and trade sanctions against targeted foreign countries, entities, and individuals based on U.S. foreign policy and national security goals. As a result, financial institutions must scrutinize transactions to ensure that they do not represent obligations of or ownership interests in entities owned or controlled by sanctioned targets.

Signed into law on October 26, 2001, the USA PATRIOT Act of 2001 is omnibus legislation enhancing the powers of domestic law enforcement organizations to resist the international terrorist threat to United States security. Title III of the legislation, the International Money Laundering Abatement and Financial Anti-Terrorism Act of 2001, most directly affects the financial services industry, enhancing the Federal government’s ability to fight money laundering through monitoring of currency transactions and suspicious financial activities. The USA PATRIOT Act has significant implications for depository institutions and other businesses involved in the transfer of money:

- a financial institution must establish due diligence policies, procedures, and controls reasonably designed to detect and report money laundering through correspondent accounts and private banking accounts,

- no bank may establish, maintain, administer, or manage a correspondent account in the United States for a foreign shell bank,

- financial institutions must abide by Treasury Department regulations encouraging financial institutions, their regulatory authorities, and law enforcement authorities to share information about individuals, entities, and organizations engaged in or suspected of engaging in terrorist acts or money laundering activities,

- financial institutions must follow Treasury Department regulations setting forth minimum standards regarding customer identification. These regulations require financial institutions to implement reasonable procedures for verifying the identity of any person seeking to open an account, maintain records of the information used to verify the person’s identity, and consult lists of known or suspected terrorists and terrorist organizations provided to the financial institution by government agencies,

- every financial institution must establish anti-money laundering programs, including the development of internal policies and procedures, designation of a compliance officer, employee training, and an independent audit function.

Consumer protection laws and regulations. The Middlefield Banking Company is subject to regular examination by the FDIC to ensure compliance with statutes and regulations applicable to the bank’s business, including consumer protection statutes and implementing regulations, some of which are discussed below. Violations of any of these laws may result in fines, reimbursements, and other related penalties.

Equal Credit Opportunity Act. The Equal Credit Opportunity Act generally prohibits discrimination in any credit transaction, whether for consumer or business purposes, on the basis of race, color, religion, national origin, sex, marital status, age (except in limited circumstances), receipt of income from public assistance programs, or good faith exercise of any rights under the Consumer Credit Protection Act.

Truth in Lending Act. The Truth in Lending Act is designed to ensure that credit terms are disclosed in a meaningful way so that consumers may compare credit terms more readily and knowledgeably. As a result of the Truth in Lending Act, all creditors must use the same credit terminology to express rates and payments, including the annual percentage rate, the finance charge, the amount financed, the total of payments and the payment schedule, among other things.

Fair Housing Act. The Fair Housing Act makes it unlawful for a residential mortgage lender to discriminate against any person because of race, color, religion, national origin, sex, handicap, or familial status. A number of lending practices have been held by the courts to be illegal under the Fair Housing Act, including some practices that are not specifically mentioned in the Fair Housing Act.

Home Mortgage Disclosure Act. The Home Mortgage Disclosure Act arose out of public concern over credit shortages in certain urban neighborhoods. The Home Mortgage Disclosure Act requires financial institutions to collect data that enable regulatory agencies to determine whether the financial institutions are serving the housing credit needs of the neighborhoods and communities in which they are located. The Home Mortgage Disclosure Act also requires the collection and disclosure of data about applicant and borrower characteristics as a way to identify possible discriminatory lending patterns. The vast amount of information that financial institutions collect and disclose concerning applicants and borrowers receives attention not only from state and Federal banking supervisory authorities but also from community-oriented organizations and the general public.

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Real Estate Settlement Procedures Act. The Real Estate Settlement Procedures Act requires that lenders provide borrowers with disclosures regarding the nature and cost of real estate settlements. The Real Estate Settlement Procedures Act also prohibits abusive practices that increase borrowers’ costs, such as kickbacks and fee-splitting without providing settlement services.

Privacy. Under the Gramm-Leach-Bliley Act, all financial institutions are required to establish policies and procedures to restrict the sharing of non-public customer data with non-affiliated parties and to protect customer data from unauthorized access. In addition, the Fair Credit Reporting Act of 1971 includes many provisions concerning national credit reporting standards and permits consumers to opt out of information-sharing for marketing purposes among affiliated companies.

State Banking Regulation As an Ohio-chartered bank, The Middlefield Banking Company is subject to regular examination by the Ohio Division of Financial Institutions. State banking regulation affects the internal organization of the bank as well as its savings, lending, investment, and other activities. State banking regulation may contain limitations on an institution’s activities that are in addition to limitations imposed under federal banking law. The Ohio Division of Financial Institutions may initiate supervisory measures or formal enforcement actions, and if the grounds provided by law exist it may take possession and control of an Ohio-chartered bank.

Monetary Policy The earnings of financial institutions are affected by the policies of regulatory authorities, including monetary policy of the Federal Reserve Board. An important function of the Federal Reserve System is regulation of aggregate national credit and money supply. The Federal Reserve Board accomplishes these goals with measures such as open market transactions in securities, establishment of the discount rate on bank borrowings, and changes in reserve requirements against bank deposits. These methods are used in varying combinations to influence overall growth and distribution of financial institutions’ loans, investments and deposits, and they also affect interest rates charged on loans or paid on deposits. Monetary policy is influenced by many factors, including inflation, unemployment, short-term and long-term changes in the international trade balance, and fiscal policies of the United States government. Federal Reserve Board monetary policy has had a significant effect on the operating results of financial institutions in the past, and it can be expected to influence operating results in the future.

Item 1A — Risk Factors

Risks Related to the Company’s Business

We are exposed to interest-rate risk. With the record low interest rates that have prevailed for many years, the interest-rate risk that exists for most or all financial institutions arises out of interest rates that increase more than anticipated or that increase more quickly than expected. If interest rates change more abruptly than we have simulated or if the increase is greater than we have simulated, this could have an adverse effect on our net interest income and equity value. 

The Company operates in a highly competitive industry and market area. The Company faces significant competition both in making loans and in attracting deposits. Competition is based on interest rates and other credit and service charges, the quality of services rendered, the convenience of banking facilities, the range and type of products offered and, in the case of loans to larger commercial borrowers, lending limits, among other factors. Competition for loans comes principally from commercial banks, savings banks, savings and loan associations, credit unions, mortgage banking companies, insurance companies, and other financial service companies. The Company’s most direct competition for deposits has historically come from commercial banks, savings banks, and savings and loan associations. Technology has also lowered barriers to entry and made it possible for non-banks to offer products and services traditionally provided by banks, such as automatic transfer and automatic payment systems. Larger competitors may be able to achieve economies of scale and, as a result, offer a broader range of products and services. The Company’s ability to compete successfully depends on a number of factors, including, among other things:

● the ability to develop, maintain, and build long-term customer relationships based on top quality service, high ethical standards, and safe, sound assets;

● the ability to expand the Company’s market position;

● the scope, relevance, and pricing of products and services offered to meet customer needs and demands;

● the rate at which the Company introduces new products and services relative to its competitors;

● customer satisfaction with the Company’s level of service; and

● industry and general economic trends

Failure to perform in any of these areas could significantly weaken the Company’s competitive position, which could adversely affect growth and profitability.

The Company may not be able to attract and retain skilled people. The Company’s success depends, in large part, on its ability to attract and retain key people. Competition for the best people can be intense and the Company may not be able to hire people or to retain them. The unexpected loss of the services of key personnel of the Company could have a material adverse impact on the Company’s business because of their skills, knowledge of the Company’s market, years of industry experience, and the difficulty of promptly finding qualified replacement personnel. The Company has non-competition agreements with senior officers and key personnel.

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The Company does not have the financial and other resources that larger competitors have; this could affect its ability to compete for large commercial loan originations and its ability to offer products and services competitors provide to customers. The northeastern Ohio and central Ohio markets in which the Company operates have high concentrations of financial institutions. Many of the financial institutions operating in our markets are branches of significantly larger institutions headquartered in Cleveland or in other major metropolitan areas, with significantly greater financial resources and higher lending limits. In addition, many of these institutions offer services that the Company does not or cannot provide. For example, the larger competitors’ greater resources offer advantages such as the ability to price services at lower, more attractive levels, and the ability to provide larger credit facilities. The Company accommodates loan volumes in excess of its lending limits from time to time through the sale of loan participations to other banks.

The business of banking is changing rapidly with changes in technology, which poses financial and technological challenges to small and mid-sized institutions. With frequent introductions of new technology-driven products and services, the banking industry is undergoing rapid technological changes. In addition to enhancing customer service, the effective use of technology increases efficiency and enables financial institutions to reduce costs. Financial institutions’ success is increasingly dependent upon use of technology to provide products and services that satisfy customer demands and to create additional operating efficiencies. Many of the Company’s competitors have substantially greater resources to invest in technological improvements, which could enable them to perform various banking functions at lower costs than the Company, or to provide products and services that the Company is not able to economically provide. The Company cannot assure you that we will be able to develop and implement new technology-driven products or services or that the Company will be successful in marketing these products or services to customers. Because of the demand for technology-driven products, banks increasingly rely on unaffiliated vendors to provide data processing services and other core banking functions. The use of technology-related products, services, delivery channels, and processes exposes banks to various risks, particularly transaction, strategic, reputation, and compliance risk. The Company cannot assure you that we will be able to successfully manage the risks associated with our dependence on technology.

The banking industry is heavily regulated; the compliance burden to the industry is considerable; the principal beneficiary of federal and state regulation is the public at large and depositors, not stockholders. The Company and its subsidiaries are and will remain subject to extensive state and federal government supervision and regulation. This supervision and regulation affects many aspects of the banking business, including permissible activities, lending, investments, payment of dividends, the geographic locations in which our services can be offered, and numerous other matters. State and federal supervision and regulation are intended principally to protect depositors, the public, and the deposit insurance fund administered by the FDIC. Protection of stockholders is not a goal of banking regulation.

The burdens of federal and state banking regulation place banks in general at a competitive disadvantage compared to less regulated competitors. Applicable statutes, regulations, agency and court interpretations, and agency enforcement policies have undergone significant changes, and could change significantly again. Federal and state banking agencies also require banks and bank holding companies to maintain adequate capital. Failure to maintain adequate capital or to comply with applicable laws, regulations, and supervisory agreements could subject a bank or bank holding company to federal or state enforcement actions, including termination of deposit insurance, imposition of fines and civil penalties, and, in the most severe cases, appointment of a conservator or receiver for a depositary institution. Changes in applicable laws and regulatory policies could adversely affect the banking industry generally or the Company in particular. The Company gives you no assurance that we will be able to adapt successfully to industry changes caused by governmental actions.

Success in the banking industry requires disciplined management of lending risks. There are many risks in the business of lending, including risks associated with the duration over which loans may be repaid, risks resulting from changes in economic conditions, risks inherent in dealing with individual borrowers, and risks resulting from changes in the value of loan collateral. We attempt to mitigate this risk by a thorough review of the creditworthiness of loan customers. Nevertheless, there is risk that our credit evaluations will prove to be inaccurate due to changed circumstances or otherwise.

The Company’s allowance for loan and lease losses may be insufficient. A critical resource for maintaining the safety and soundness of banks so that they can fulfill their basic function of financial intermediation, the allowance for possible loan losses is a reserve established through a provision for possible loan losses charged to expense that represents management’s best estimate of probable losses that have been incurred within the existing portfolio of loans. Current accounting standards for loan loss provisioning are based on the so-called “incurred loss” model. Under this model, a bank can reserve against a loan loss through a provision to the loan loss reserve only if that loss has been “incurred,” which means a loss that is probable and can be reasonably estimated. To meet that standard, banks have to document why a loss is probable and reasonably estimable, and the easiest way to do that is to refer to historical loss rates and the bank’s own prior loss experience with the type of asset in question. Banks are not limited to using historical experience in deciding the appropriate level of the loan loss reserve. In making these determinations, management can use judgment that takes into account other factors, such as changes in underwriting standards and changes in the economic environment that would have an impact on loan losses.

The level of the allowance reflects management’s continuing evaluation of industry concentrations; specific credit risks; loan loss experience; current loan portfolio quality; present economic, political, and regulatory conditions; and unidentified losses inherent in the current loan portfolio. The determination of the appropriate level of the allowance for possible loan losses inherently involves a high degree of subjectivity and requires management to make significant estimates of current credit risks, all of which may undergo material changes. Continuing deterioration in economic conditions affecting borrowers, new information regarding existing loans, identification of additional problem loans and other factors, both within and outside of the Company’s control, may require an increase in the allowance for possible loan losses. In addition, bank regulatory agencies periodically review the allowance for loan and lease losses and may require an increase in the provision for possible loan losses or the recognition of further loan charge-offs, based on judgments different than those of management. In addition, if charge-offs in future periods exceed the allowance for possible loan losses, the Company will need additional provisions to increase the allowance for possible loan losses. Any increases in the allowance for possible loan losses will result in a decrease in net income and, possibly, capital, and may have a material adverse effect on the Company’s financial condition and results of operations.

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A new accounting standard may require us to increase our allowance for loan and lease losses and may have a material adverse effect on our financial condition and results of operations. The Financial Accounting Standards Board (“FASB”) has adopted a new accounting standard that will be effective for the Bank for our first fiscal year after December 15, 2020. This standard, referred to as Current Expected Credit Loss, or CECL, will require financial institutions to determine periodic estimates of lifetime expected credit losses on loans, and recognize the expected credit losses as allowances for loan losses. This will change the current method of providing allowances for loan losses that are probable, which may require us to increase our allowance for loan and lease losses, and to greatly increase the types of data we will need to collect and review to determine the appropriate level of the allowance for loan and lease losses Any change in the allowance for loan and lease losses at the time of adoption will be an adjustment to retained earnings and would change the Bank’s capital levels. Any increase in our allowance for loan and lease losses or expenses incurred to determine the appropriate level of the allowance for loan and lease losses may have a material adverse effect on our financial condition and results of operations.

Our allowance for loan losses may prove to be insufficient to absorb the probable, incurred losses in our loan portfolio. Lending money is a substantial part of our business. However, every loan we make carries a risk of non-payment. This risk is affected by, among other things: the cash flow of the borrower and/or the project being financed; in the case of a collateralized loan, the changes and uncertainties as to the future value of the collateral, the credit history of a particular borrower, changes in economic and industry conditions, and the duration of the loan.

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States (“GAAP”) requires management to make significant estimates that affect the financial statements. One of our most critical estimates is the level of the allowance for loan losses. Due to the inherent nature of these estimates, we cannot provide absolute assurance that we will not be required to charge earnings for significant unexpected loan losses.

We maintain an allowance for loan losses that we believe is a reasonable estimate of the probable, incurred losses within the loan portfolio. We make various assumptions and judgments about the collectability of our loan portfolio, including the creditworthiness of our borrowers and the value of the real estate and other assets serving as collateral for the repayment of loans. Through a periodic review and consideration of the loan portfolio, management determines the amount of the allowance for loan losses by considering general market conditions, the credit quality of the loan portfolio, the collateral supporting the loans and the performance of customers relative to their financial obligations with us. The amount of future losses is susceptible to changes in economic, operating and other conditions, including changes in interest rates, which may be beyond our control, and these losses may exceed current estimates. We cannot fully predict the amount or timing of losses or whether the loan loss allowance will be adequate in the future. If our assumptions prove to be incorrect, our allowance for loan losses may not be sufficient to cover the probable, incurred losses in our loan portfolio, resulting in additions to the allowance for loan losses. Excessive loan losses and significant additions to our allowance for loan losses could have a material adverse impact on our financial condition and results of operations.

Material breaches in security of bank systems may have a significant effect on the Company’s business. We collect, process and store sensitive consumer data by utilizing computer systems and telecommunications networks operated by both banks and third party service providers. We have security, backup and recovery systems in place, as well as a business continuity plan to ensure systems will not be inoperable. We also have security to prevent unauthorized access to the system. In addition, we require third party service providers to maintain similar controls. However, we cannot be certain that these measures will be successful. A security breach in the system and loss of confidential information could result in losing customers’ confidence and thus the loss of their business as well as additional significant costs for privacy monitoring activities.

Our necessary dependence upon automated systems to record and process transaction volumes poses the risk that technical system flaws or employee errors, tampering or manipulation of those systems will result in losses and may be difficult to detect. We may also be subject to disruptions of the operating systems arising from events that are beyond our control (for example, computer viruses or electrical or telecommunications outages). We are further exposed to the risk that the third party service providers may be unable to fulfill their contractual obligations (or will be subject to the same risk of fraud or operational errors). These disruptions may interfere with service to customers and result in a financial loss or liability.

Changing interest rates have a direct and immediate impact on financial institutions. The risk of nonpayment of loans — or credit risk — is not the only lending risk. Lenders are subject also to interest rate risk. Fluctuating rates of interest prevailing in the market affect a bank’s net interest income, which is the difference between interest earned from loans and investments, on one hand, and interest paid on deposits and borrowings, on the other. Changes in the general level of interest rates can affect our net interest income by affecting the difference between the weighted-average yield earned on our interest-earning assets and the weighted-average rate paid on our interest-bearing liabilities, or interest rate spread, and the average life of our interest-earning assets and interest-bearing liabilities. Changes in interest rates also can affect (i) our ability to originate loans, (ii) the value of our interest-earning assets, and our ability to realize gains from the sale of such assets, (iii) our ability to obtain and retain deposits in competition with other available investment alternatives, and (iv) the ability of our borrowers to repay adjustable or variable rate loans. Interest rates are highly sensitive to many factors, including governmental monetary policies, domestic and international economic and political conditions, and other factors beyond our control. Although the Company believes that the estimated maturities of our interest-earning assets currently are well balanced in relation to the estimated maturities of our interest-bearing liabilities (which involves various estimates as to how changes in the general level of interest rates will impact these assets and liabilities), there can be no assurance that our profitability would not be adversely affected during any period of changes in interest rates.

21

A prolonged economic downturn in our market area would adversely affect our loan portfolio and our growth prospects. Our lending market area is concentrated in northeastern and central Ohio, particularly Franklin, Geauga, Portage, Trumbull, Ashtabula, Summit, and Cuyahoga Counties. A very significant percentage of our loan portfolio is secured by real estate collateral, primarily residential mortgage loans. Commercial and industrial loans to small and medium-sized businesses also represent a significant percentage of our loan portfolio. The asset quality of our loan portfolio is largely dependent upon the area’s economy and real estate markets. A prolonged economic downturn would likely lead to deterioration of the credit quality of our loan portfolio and reduce our level of customer deposits, which in turn would hurt our business. Borrowers may be less likely to repay their loans as scheduled or at all. Moreover, the value of real estate or other collateral that may secure our loans could be adversely affected. Unlike many larger institutions, we are not able to spread the risks of unfavorable local economic conditions across a large number of diversified economies and geographic locations. A prolonged economic downturn could, therefore, result in losses that could materially and adversely affect our business.

Changes in accounting standards could materially impact our consolidated financial statements. Our accounting policies and methods are fundamental to how the Company records and reports its financial condition and results of operations. The accounting standard setters, including the Financial Accounting Standards Board, the SEC, and other regulatory bodies, from time to time may change the financial accounting and reporting standards that govern the preparation of our consolidated financial statements. These changes can be hard to predict and can materially impact how we record and report our financial condition and results of operations. In some cases, the Company could be required to apply a new or revised standard retroactively, resulting in changes to previously reported financial results, or a cumulative charge to retained earnings. Management may be required to make difficult, subjective, or complex judgments about matters that are uncertain. Materially different amounts could be reported under different conditions or using different assumptions.

Regulatory requirements affecting our loans secured by commercial real estate could limit our ability to leverage our capital and adversely affect our growth and profitability. Rising commercial real estate lending concentrations may expose institutions like the Bank to unanticipated earnings and capital volatility in the event of adverse changes in the commercial real estate market. In addition, institutions that are exposed to significant commercial real estate concentration risk may be subject to increased regulatory scrutiny. The federal banking agencies have issued guidance for institutions that are deemed to have concentrations in commercial real estate lending. Pursuant to the supervisory criteria contained in the guidance for identifying institutions with a potential commercial real estate concentration risk, institutions that have (i) total reported loans for construction, land development, and other land which represent 100% or more of an institution’s total risk-based capital; or (ii) total commercial real estate loans representing 300% or more of the institution’s total risk-based capital and the outstanding balance of the institution's commercial real estate loan portfolio has increased 50% or more during the prior 36 months are encouraged to identify and monitor credit concentrations and enhance risk management systems. As of December 31, 2017, our loans for construction, land development, and other land represent only [46] % of our total risk-based capital. At December 31, 2017, the Bank’s non-owner occupied commercial real estate concentration was [373] % of the Bank’s capital and the Bank’s commercial real estate loan portfolio has increased by approximately [178] % during the prior 36 months. The Bank has determined that its CRE portfolio concentration levels require enhanced monitoring under the regulatory guidance. Management has implemented and continues to maintain heightened portfolio monitoring and reporting, and enhanced underwriting criteria with respect to its commercial real estate portfolio. Nevertheless, our level of commercial real estate lending could limit our growth or require us to obtain additional capital, lead to increased regulatory scrutiny, and could have a material adverse effect on our business, financial condition and results of operations.

Our net-loan-to-deposit-ratio is higher than our peer group and may affect our future profitability and growth. At December 31, 2017, the ratio of our net loans to our total deposits exceeded 100%. FDIC-insured, low-cost deposits are a stable and desirable source of funding for banks. If we have insufficient core deposits to fund our loan growth, we may be required to rely more heavily on nondeposit sources of funds. The availability and cost of nondeposit funding are more sensitive to changing economic or financial conditions. Our need to rely on noncore funding sources to support future growth may reduce our net interest margin and have an adverse effect on our profitability.

Changes in Tax Laws Could Have an Adverse Effect on Us, Our Industry, Our Customers, The Value of Collateral Securing Our Loans and Demand for Our Loans. Federal tax reform legislation enacted by Congress in December 2017 contains a number of provisions that could have an impact on the banking industry, borrowers and the market for single-family residential and multifamily residential real estate. Among the changes are: a lower cap on the amount of mortgage interest that a borrower may deduct on single-family residential mortgages; the lower mortgage interest cap will be spread among all of the borrower’s residential mortgages, which may result in elimination or lowering of the mortgage interest deduction on a second home; limitations on deductibility of business interest expense; limitations on the deductibility of state and local income and property taxes. Such changes could have an adverse effect on the market for and valuation of single-family residential properties and multifamily residential properties, and on the demand for such loans in the future. If home ownership or multifamily residential property ownership become less attractive, demand for our loans could decrease. The value of the properties securing loans in our portfolio may be adversely impacted as a result of the changing economics of home ownership and multifamily residential ownership, which could require an increase in our provision for loan losses, which would reduce our profitability and could materially adversely affect our business, financial condition and results of operations.

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We Are Dependent on Our Management Team and Key Employees, and If We Are Not Able to Retain Them, Our Business Operations Could Be Materially Adversely Affected. Our success depends, in large part, on our management team and key employees. Our management team has significant industry experience. Our future success also depends on our continuing ability to attract, develop, motivate and retain key employees. Qualified individuals are in high demand, and we may incur significant costs to attract and retain them. Because the market for qualified individuals is highly competitive, we may not be able to attract and retain qualified officers or candidates. The loss of any of our management team or our key employees could materially adversely affect our ability to execute our business strategy, and we may not be able to find adequate replacements on a timely basis, or at all. We cannot ensure that we will be able to retain the services of any members of our management team or other key employees. Though we have change-in-control agreements in place with certain members of our management team they may still elect to leave at any time. Failure to attract and retain a qualified management team and qualified key employees could have a material adverse effect on our business, financial condition and results of operations.

Our operations could be interrupted if our third-party service providers experience difficulty, terminate their services or fail to comply with banking regulations. We depend to a significant extent on a number of relationships with third-party service providers. Specifically, we receive core systems processing, essential web hosting and other internet systems, deposit processing and other processing services from third-party service providers. If these third-party service providers experience difficulties or terminate their services and we are unable to replace them with other service providers, our operations could be interrupted. If an interruption were to continue for a significant period of time, our business, financial condition and results of operations could be adversely affected, perhaps materially. Even if we are able to replace them, it may be at a higher cost to us, which could adversely affect our business, financial condition and results of operations.

We have a continuing need for technological change, and we may not have the resources to effectively implement new technology or we may experience operational challenges when implementing new technology. The financial services industry is undergoing rapid technological changes with frequent introductions of new technology-driven products and services. In addition to better serving customers, the effective use of technology increases efficiency and enables financial institutions to reduce costs. Our future success will depend in part upon our ability to address the needs of our customers by using technology to provide products and services that will satisfy customer demands for convenience as well as to create additional efficiencies in our operations as we continue to grow and expand our market area. We may experience operational challenges as we implement these new technology enhancements, or seek to implement them across all of our offices and business units, which could result in us not fully realizing the anticipated benefits from such new technology or require us to incur significant costs to remedy any such challenges in a timely manner.

We face a risk of noncompliance and enforcement action with the Bank Secrecy Act and other anti-money laundering statutes and regulations. The Bank Secrecy Act of 1970, the Uniting and Strengthening America by Providing Appropriate Tools to Intercept and Obstruct Terrorism Act of 2001, or the USA Patriot Act or Patriot Act, and other laws and regulations require financial institutions, among other duties, to institute and maintain an effective anti-money laundering program and to file reports such as suspicious activity reports and currency transaction reports. We are required to comply with these and other anti-money laundering requirements. Our federal and state banking regulators, the Financial Crimes Enforcement Network, or FinCEN, and other government agencies are authorized to impose significant civil money penalties for violations of anti-money laundering requirements. We are also subject to increased scrutiny of compliance with the regulations issued and enforced by the Office of Foreign Assets Control, or OFAC. If our program is deemed deficient, we could be subject to liability, including fines, civil money penalties and other regulatory actions, which may include restrictions on our business operations and our ability to pay dividends, restrictions on mergers and acquisitions activity, restrictions on expansion, and restrictions on entering new business lines. Failure to maintain and implement adequate programs to combat money laundering and terrorist financing could also have significant reputational consequences for us. Any of these circumstances could have a material adverse effect on our business, financial condition or results of operations.

There are risks with respect to future expansion and acquisitions or mergers. The Company may seek in the future to acquire other financial institutions or parts of those institutions. The Company may also expand into new markets or lines of business or offer new products or services. These activities would involve a number of risks, including:

• the time and expense associated with identifying and evaluating potential acquisitions and merger partners;

• using inaccurate estimates and judgments to evaluate credit, operations, management, and market risks with respect to the target institution or assets;

• diluting our existing shareholders in an acquisition;

• the time and expense associated with evaluating new markets for expansion, hiring experienced local management, and opening new offices;

• taking a significant amount of time negotiating a transaction or working on expansion plans, resulting in management’s attention being diverted from the operation of our existing business; and

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• the time and expense associated with integrating the operations and personnel of the combined businesses, creating an adverse short-term effect on our results of operations.

There is also a risk that any expansion effort will not be successful.

Government regulation could restrict our ability to pay cash dividends. Dividends from the bank are the only significant source of cash for the Company. Statutory and regulatory limits could prevent the bank from paying dividends or transferring funds to the Company. As of December 31, 2017, MBC could have declared dividends of approximately $5.1 million in the aggregate to the Company, assuming the ODFI did not object. The Company cannot assure you that subsidiary bank profitability will continue to allow dividends to the Company, and the Company therefore cannot assure you that the Company will be able to continue paying regular, quarterly cash dividends. Until January 20, 2019, MBC cannot pay dividends to the Company unless MBC first obtains approval of the ODFI.

We may need to raise additional capital in the future, and such capital may not be available when needed or at all. We may need to raise additional capital in the future to provide us with sufficient capital resources and liquidity to meet our commitments and business needs, particularly if our asset quality or earnings were to deteriorate significantly. Our ability to raise additional capital, if needed, will depend on, among other things, conditions in the capital markets at that time, which are outside of our control, and our financial condition. Economic conditions and the loss of confidence in financial institutions may increase our cost of funding and limit access to certain customary sources of capital, including inter-bank borrowings, repurchase agreements and borrowings from the discount window of the Federal Reserve.

We cannot assure that such capital will be available on acceptable terms or at all. Any occurrence that may limit our access to the capital markets, such as a decline in the confidence of debt purchasers, depositors of counterparties participating in the capital markets, or a downgrade of the Company’s debt ratings, may adversely affect our capital costs and our ability to raise capital and, in turn, our liquidity. Moreover, if we need to raise capital in the future, we may have to do so when many other financial institutions are also seeking to raise capital and would have to compete with those institutions for investors. An inability to raise additional capital on acceptable terms when needed could have a materially adverse effect on our business, financial condition and results of operations.

The value of our goodwill and core deposit intangible assets may decline in the future. As of December 31, 2017, we had $17.8 million of goodwill and core deposit intangible assets. A significant decline in our expected future cash flows, a significant adverse change in the business climate, slower growth rates or a significant and sustained decline in the price of the Company’s common stock may necessitate taking charges in the future related to the impairment of our goodwill and core deposit intangible assets. If we were to conclude that a future write-down of goodwill and core deposit intangible assets is necessary, we would record the appropriate charge, which could have a material adverse effect on our business, financial condition and results of operations.

Risks Associated with the Company’s Common Stock

A limited trading market exists for our common shares which could lead to price volatility. Your ability to sell our common shares depends upon the existence of an active trading market for our common shares. While our stock is quoted on the NASDAQ Capital Market, there is low trading volume in our common stock. As a result, you may be unable to sell or purchase our common shares at the volume, price and time you desire. The limited trading market for our common shares may cause fluctuations in the market value of our common shares to be exaggerated, leading to price volatility in excess of that which would occur in a more active trading market. In addition, even if a more active market of our common stock develops, we cannot assure you that such a market will continue.

Factors that may affect the volatility of our stock include:

● our actual or anticipated operating and financial results, including how those results vary from the expectations of management, securities analysts and investors

● changes in financial estimates or publication of research reports and recommendations by financial analysts or actions taken by rating agencies with respect to other financial institution

● failure to declare dividends on our common stock from time to time

● reports in the press or investment community generally or relating to our reputation or the financial services industry

● developments in our business or operations or in the financial sector generally

● any future offerings by us of our common stock

● legislative or regulatory changes affecting our industry generally or our business and operations specifically

● the operating and stock price performance of companies that investors consider to be comparable to us

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● announcements of strategic developments, acquisitions, restructurings, dispositions, financings and other material events by us or our competitors

● expectations of (or actual) equity dilution, including the actual or expected dilution to various financial measures, including earnings per share, that may be caused by this offering

● actions by our current shareholders, including future sales of common shares by existing shareholders, including our directors and executive officers

● proposed or final regulatory changes or developments

● anticipated or pending regulatory investigations, proceedings, or litigation that may involve or affect us

● other changes in U.S. or global financial markets, global economies and general market conditions, such as interest or foreign exchange rates, stock, commodity, credit or asset valuations or volatility

Item 1B — Unresolved Staff Comments

     Not applicable

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Item 2 — Properties

     The Bank’s offices are:

Location	County	Owned/Leased	Other Information
Main Office:
15985 East High Street Middlefield, Ohio	Geauga	Owned
Branches :
West Branch 15545 West High Street Middlefield, Ohio	Geauga	Owned
Garrettsville Branch 8058 State Street Garrettsville, Ohio	Portage	Owned
Mantua Branch 10519 South Main Street Mantua, Ohio	Portage	Leased	three-year lease renewed in November 2016, with option to renew for four additional consecutive three-year terms
Chardon Branch 348 Center Street Chardon, Ohio	Geauga	Owned
Orwell Branch 30 South Maple Street Orwell, Ohio	Ashtabula	Owned
Newbury Branch 11110 Kinsman Road Newbury, Ohio	Geauga	Leased	ten-year lease dated December 2006, with option to renew for four additional consecutive five-year terms; lease renewed in December 2016 for five years
Cortland Branch 3450 Niles Cortland Road Cortland, Ohio	Trumbull	Owned
Dublin Branch 6215 Perimeter Drive Dublin, Ohio	Franklin	Leased	fifteen-year lease dated February 2004, extended to expire September 2021, with one option to renew for an additional three-year period
Westerville Branch 17 North State Street Westerville, Ohio	Franklin	Owned
Administrative Offices:	Geauga	Owned
15200 Madison Road Suite 108 Middlefield, Ohio
Mentor Loan Production Office 8353 Mentor Avenue Mentor, Ohio	Lake	Leased	one-year lease dated September 2015, revised December 2017, with option to renew for two additional terms of one year each
Sunbury Branch 492 West Cherry Street Sunbury, Ohio	Delaware	Leased	five-year lease dated July 2016, with the option to renew for two additional five-year terms

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Beachwood Branch 25201 Chagrin Blvd. Beachwood, Ohio	Cuyahoga	Leased	ten-year lease dated June 2005, extended for a period of 10 years commencing on July 1, 2015, with option to renew for two consecutive periods of five years each
Solon Branch 6134 Kruse Drive Solon, Ohio	Cuyahoga	Leased	twelve-year lease dated June 2008, with the option to renew for four additional five-year terms, first option exercised July 26, 2016, lease expiring July 31, 2025
Twinsburg Branch 2351 Edison Blvd Twinsburg, Ohio	Summit	Owned
Powell Branch 10628 Sawmill Parkway Powell, Ohio	Delaware	Owned	We intend to open the Powell Branch in the second quarter of 2018

At December 31, 2017 the net book value of the Bank’s investment in premises and equipment totaled $11.9 million.

Item 3 — Legal Proceedings

From time to time the Company and the subsidiary bank are involved in various legal proceedings that are incidental to its business. In the opinion of management, no current legal proceedings are material to the financial condition of the Company or the subsidiary bank, either individually or in the aggregate.

Item 4 — Mine Safety Disclosures

 Not applicable

Part II

Item 5 — Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Information relating to the market for Middlefield’s common equity and related shareholder matters appears under “Market Price of and Dividends on the Registrant’s Common Equity and Related Stockholder Matters” in the Company’s 2017 Annual Report to Shareholders and is incorporated herein by reference. Information relating to dividend restrictions for Registrant’s common stock appears under “Supervision and Regulation.”

Item 6 — Selected Financial Data

Not applicable.

Item 7 — Management’s Discussion and Analysis of Financial Condition and Results of Operations

The above-captioned information appears under the heading “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s 2017 Annual Report to Shareholders and is incorporated herein by reference.

Item 7A — Quantitative and Qualitative Disclosures about Market Risk

The above-captioned information appears under the heading “Management’s Discussion and Analysis of Financial Condition and Results of Operations” under the section “Interest Rate Sensitivity Simulation Analysis” in the Company’s 2017 Annual Report to Shareholders and is incorporated herein by reference.

Item 8 — Financial Statements and Supplementary Data

The Consolidated Financial Statements of the Company and its subsidiaries, together with the report thereon by S.R. Snodgrass, P.C. appear in the Company’s 2017 Annual Report to Shareholders and are incorporated herein by reference.

Item 9 — Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None

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Item 9A – Controls and Procedures

(a) Disclosure Controls and Procedures   The Company’s management, including the Company’s principal executive officer and principal financial officer, have evaluated the effectiveness of the Company’s “disclosure controls and procedures,” as such term is defined in Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, as amended (the “Exchange Act”).  Based upon their evaluation, the principal executive officer and principal financial officer concluded that, as of the end of the period covered by this report, the Company’s disclosure controls and procedures were effective for the purpose of ensuring that the information required to be disclosed in the reports that the Company files or submits under the Exchange Act with the Securities and Exchange Commission (the “SEC”) (1) is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and (2) is accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

(b) Internal Controls Over Financial Reporting

Management’s annual report on internal control over financial reporting and the attestation report of the independent registered public accounting firm are incorporated herein by reference to Item 8 - the Company’s audited Consolidated Financial Statements in this Annual Report on Form 10-K.

(c) Changes to Internal Control Over Financial Reporting   There were no changes in the Company’s internal control over financial reporting during the period ended December 31, 2017 that have materially affected, or are reasonable likely to materially affect, the Company’s internal control over financial reporting.

Item 9B — Other Information

None

Part III

Item 10 — Directors, Executive Officers, and Corporate Governance

Incorporated by reference to the definitive proxy statement for the 2018 annual meeting of shareholders, which will be filed with the Securities and Exchange Commission not later than 120 days after December 31, 2017.

Item 11 — Executive Compensation

Incorporated by reference to the definitive proxy statement for the 2018 annual meeting of shareholders, which will be filed with the Securities and Exchange Commission not later than 120 days after December 31, 2017.

Item 12 — Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Incorporated by reference to the definitive proxy statement for the 2018 annual meeting of shareholders, which will be filed with the Securities and Exchange Commission not later than 120 days after December 31, 2017.

Item 13 — Certain Relationships and Related Transactions, and Director Independence

Incorporated by reference to the definitive proxy statement for the 2018 annual meeting of shareholders, which will be filed with the Securities and Exchange Commission not later than 120 days after December 31, 2017.

Item 14 — Principal Accountant Fees and Services

Incorporated by reference to the definitive proxy statement for the 2018 annual meeting of shareholders, which will be filed with the Securities and Exchange Commission not later than 120 days after December 31, 2017.

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Part IV

Item 15 — Exhibits, Financial Statement Schedules

(a)(1) Financial Statements

Index to Consolidated Financial Statements :

Consolidated Financial Statements as of December 31, 2017 and 2016 and for each of the three years in the period ended December 31, 2017:

Report of Independent Registered Public Accounting firm

Consolidated Balance Sheet

Consolidated Statement of Income

Consolidated Statement of Comprehensive Income

Consolidated Statement of Changes in Stockholders’ Equity

Consolidated Statement of Cash Flows

Notes to Consolidated Financial Statements

(a)(2) Financial Statement Schedules

Financial Statement Schedules have been omitted because they are not applicable or the required information is shown elsewhere in the document in the Financial Statements or Notes thereto, or in “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

(a)(3) Exhibits

See the list of exhibits below

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(b) Exhibits Required by Item 601 of Regulation S-K

exhibit number	Description	location
3.1	Second Amended and Restated Articles of Incorporation of Middlefield Banc Corp., as amended	Incorporated by reference to Exhibit 3.1 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Fiscal Year Ended December 31, 2005, filed on March 29, 2006
3.2	Regulations of Middlefield Banc Corp.	Incorporated by reference to Exhibit 3.2 of Middlefield Banc Corp.’s registration statement on Form 10 filed on April 17, 2001
4.0	Specimen stock certificate	Incorporated by reference to Exhibit 4 of Middlefield Banc Corp.’s registration statement on Form 10 filed on April 17, 2001
4.1	Amended and Restated Trust Agreement, dated as of December 21, 2006, between Middlefield Banc Corp., as Depositor, Wilmington Trust Company, as Property trustee, Wilmington Trust Company, as Delaware Trustee, and Administrative Trustees	Incorporated by reference to Exhibit 4.1 of Middlefield Banc Corp.’s Form 8-K Current Report filed on December 27, 2006
4.2	Junior Subordinated Indenture, dated as of December 21, 2006, between Middlefield Banc Corp. and Wilmington Trust Company	Incorporated by reference to Exhibit 4.2 of Middlefield Banc Corp.’s Form 8-K Current Report filed on December 27, 2006
4.3	Guarantee Agreement, dated as of December 21, 2006, between Middlefield Banc Corp. and Wilmington Trust Company	Incorporated by reference to Exhibit 4.3 of Middlefield Banc Corp.’s Form 8-K Current Report filed on December 27, 2006
10.1.0*	2017 Omnibus Equity Plan	Incorporated by reference to Middlefield Banc Corp.’s definitive proxy statement for the 2017 Annual Meeting of Shareholders, Appendix A, filed on April 4, 2017
10.1.1*	2007 Omnibus Equity Plan	Incorporated by reference to Middlefield Banc Corp.’s definitive proxy statement for the 2008 Annual Meeting of Shareholders, Appendix A, filed on April 7, 2008
10.2*	Severance Agreement between Middlefield Banc Corp. and Thomas G. Caldwell, dated January 7, 2008	Incorporated by reference to Exhibit 10.2 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008
10.3*	Severance Agreement between Middlefield Banc Corp. and James R. Heslop, II, dated January 7, 2008	Incorporated by reference to Exhibit 10.3 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008
10.4	Federal Home Loan Bank of Cincinnati Agreement for Advances and Security Agreement dated September 14, 2000	Incorporated by reference to Exhibit 10.4 of Middlefield Banc Corp.’s registration statement on Form 10 filed on April 17, 2001
10.4.1*	Severance Agreement between Middlefield Banc Corp. and Teresa M. Hetrick, dated January 7, 2008	Incorporated by reference to Exhibit 10.4.1 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008
10.4.2	[reserved]
10.4.3*	Severance Agreement between Middlefield Banc Corp. and Donald L. Stacy, dated January 7, 2008	Incorporated by reference to Exhibit 10.4.3 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008

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10.4.4*	Severance Agreement between Middlefield Banc Corp. and Alfred F. Thompson Jr., dated January 7, 2008	Incorporated by reference to Exhibit 10.4.4 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008
10.5	[reserved]
10.6*	Amended Director Retirement Agreement with Richard T. Coyne	Incorporated by reference to Exhibit 10.6 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008
10.7*	Amended Director Retirement Agreement with Frances H. Frank	Incorporated by reference to Exhibit 10.7 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008
10.8*	[reserved]
10.9*	[reserved]
10.10*	Director Retirement Agreement with Donald D. Hunter	Incorporated by reference to Exhibit 10.10 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2001, filed on March 28, 2002
10.11*	Director Retirement Agreement with Martin S. Paul	Incorporated by reference to Exhibit 10.11 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2001, filed on March 28, 2002
10.12*	Amended Director Retirement Agreement with Donald E. Villers	Incorporated by reference to Exhibit 10.12 of Middlefield Banc Corp.’s Form 8-K Current Report filed on January 9, 2008
10.13*	Executive Survivor Income Agreement (aka DBO agreement [death benefit only]) with Donald L. Stacy	Incorporated by reference to Exhibit 10.14 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2003, filed on March 30, 2004
10.14*	DBO Agreement with Jay P. Giles	Incorporated by reference to Exhibit 10.15 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2003, filed on March 30, 2004
10.15*	DBO Agreement with Alfred F. Thompson Jr.	Incorporated by reference to Exhibit 10.16 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2003, filed on March 30, 2004
10.16	[reserved]
10.17*	DBO Agreement with Teresa M. Hetrick	Incorporated by reference to Exhibit 10.18 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2003, filed on March 30, 2004
10.18 *	Executive Deferred Compensation Agreement with Jay P. Giles	Incorporated by reference to Exhibit 10.18 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2011, filed on March 20, 2012
10.19	[reserved]

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10.20*	DBO Agreement with James R. Heslop, II	Incorporated by reference to Exhibit 10.20 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2003, filed on March 30, 2004
10.21*	DBO Agreement with Thomas G. Caldwell	Incorporated by reference to Exhibit 10.21 of Middlefield Banc Corp.’s Annual Report on Form 10-K for the Year Ended December 31, 2003, filed on March 30, 2004
10.22*	Annual Incentive Plan	Incorporated by reference to Exhibit 10.22 of Middlefield Banc Corp.’s Form 8-K Current Report filed on June 12, 2012
10.22.1*	Annual Incentive Plan 2017 Award Summary	Incorporated by reference to Middlefield Banc Corp.’s Form 8-K current Report filed on March 14, 2017
10.23*	Amended Executive Deferred Compensation Agreement with Thomas G. Caldwell	Incorporated by reference to Exhibit 10.23 of Middlefield Banc Corp.’s Form 8-K Current Report filed on May 9, 2008
10.24*	Amended Executive Deferred Compensation Agreement with James R. Heslop, II	Incorporated by reference to Exhibit 10.24 of Middlefield Banc Corp.’s Form 8-K Current Report filed on May 9, 2008
10.25*	Amended Executive Deferred Compensation Agreement with Donald L. Stacy	Incorporated by reference to Exhibit 10.25 of Middlefield Banc Corp.’s Form 8-K Current Report filed on May 9, 2008
10.26*	[reserved]
10.27	[reserved]
10.28	[reserved]
10.29*	Form of conditional stock award under the 2007 Omnibus Equity Plan	Incorporated by reference to Exhibit 10.29 of Middlefield Banc Corp.’s Form 8-K Current Report filed on March 4, 2016
10.29.1	Form of conditional stock award under the 2017 Omnibus Equity Plan	Incorporated by reference to Exhibit 10.29 of Middlefield Banc Corp.’s Form 8-K Current Report filed on July 24, 2017
13	Portions of Annual Report to Shareholders for the year ended December 31, 2017 incorporated by reference into this Form 10-K	filed herewith
21	Subsidiaries of Middlefield Banc Corp.	filed herewith
23	Consent of S.R. Snodgrass, P.C., independent auditors of Middlefield Banc Corp.	filed herewith
31.1	Rule 13a-14(a) certification of Chief Executive Officer	filed herewith
31.2	Rule 13a-14(a) certification of Chief Financial Officer	filed herewith
32	Rule 13a-14(b) certification	filed herewith

32

99.1	Form of Indemnification Agreement with directors of Middlefield Banc Corp. and with executive officers of Middlefield Banc Corp. and The Middlefield Banking Company	Incorporated by reference to Exhibit 99.1 of Middlefield Banc Corp.’s registration statement on Form 10, Amendment No. 1, filed on June 14, 2001
101.INS**	XBRL Instance	furnished herewith
101.SCH**	XBRL Taxonomy Extension Schema	furnished herewith
101.CAL**	XBRL Taxonomy Extension Calculation	furnished herewith
101.DEF**	XBRL Taxonomy Extension Definition	furnished herewith
101.LAB**	XBRL Taxonomy Extension Labels	furnished herewith
101.PRE**	XBRL Taxonomy Extension Presentation	furnished herewith

* management contract or compensatory plan or arrangement

** XBRL information is furnished and not filed or a part of a registration statement or prospectus for purposes of sections 11 or 12 of the Securities Act of 1933, as amended, is deemed not filed for purposes of section 18 of the Securities Exchange Act of 1934, as amended, and otherwise is not subject to liability under these sections.

Item 16 – Form 10-K Summary

None.

33

Signatures

     Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Middlefield Banc Corp.
By:	/s/ Thomas G. Caldwell
	Thomas G. Caldwell
	President and Chief Executive Officer
	Date: March 7, 2018

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

/s/ Thomas G. Caldwell	March 7, 2018
Thomas G. Caldwell
President, Chief Executive Officer, and Director
/s/ Donald L. Stacy	March 7, 2018
Donald L. Stacy, Treasurer and Chief Financial Officer
(Principal accounting and financial officer)
/s/ Carolyn J. Turk	March 7, 2018
Carolyn J. Turk, Chairman of the Board
/s/ Eric W. Hummel	March 7, 2018
Eric W. Hummel, Director
/s/ James R. Heslop, II	March 7, 2018
James R. Heslop, II, Executive Vice President,
Chief Operating Officer, and Director
/s/ Kenneth E. Jones	March 7, 2018
Kenneth E. Jones, Director
/s/ James J. McCaskey	March 7, 2018
James J. McCaskey, Director
/s/ William J. Skidmore	March 7, 2018
William J. Skidmore, Director
/s/ Robert W. Toth	March 7, 2018
Robert W. Toth, Director

34

/s/ Clayton W. Rose, III	March 7, 2018
Clayton W. Rose, III, Director
/s/ Darryl E. Mast	March 7, 2018
Darryl E. Mast, Director
/s/ Thomas W. Bevan	March 7, 2018
Thomas W. Bevan, Director
/s/ William A. Valerian	March 7, 2018
William A. Valerian, Director

35

EX-13

Exhibit 13

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Stockholders and the Board of Directors of Middlefield Banc Corp.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheetof Middlefield Banc Corp. and subsidiaries (the “Company”) as of December 31, 2017 and 2016; the related consolidated statements of income, comprehensive income, changes in stockholders’ equity, and cash flows for each of the three years in the period ended December 31, 2017; and the related notes to the consolidated financial statements (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2017 and 2016, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2017, conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2017, based on criteria established in Internal Control – Integrated Framework, issued by the Committee of Sponsoring Organizations of the Treadway Commission in 2013, and our report dated March 7, 2018, expressed an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks.

1

Basis for Opinion (Continued)

Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

We have served as the Company’s auditor since 1986.

/s/S.R. Snodgrass, P.C.

Cranberry Township, Pennsylvania

March 7, 2018

2

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Stockholders and the Board of Middlefield Banc Corp.

Opinion on Internal Control over Financial Reporting

We have audited Middlefield Banc Corp. and subsidiaries’ (the “Company”) internal control over financial reporting as of December 31, 2017, based on criteria established in Internal Control — Integrated Framework, issued by the Committee of Sponsoring Organizations of the Treadway Commission in 2013. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2017, based on criteria established in Internal Control — Integrated Framework, issued by the Committee of Sponsoring Organizations of the Treadway Commission in 2013. 

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheet of the Company as of December 31, 2017 and 2016, and the related consolidated statements of income, comprehensive income, changes in stockholders’ equity, and cash flows for each of the three years in the period ended December 31, 2017, of the Company and our report dated March 7, 2018, expressed an unqualified opinion.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting in the accompanying Management’s Annual Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

3

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/S.R. Snodgrass, P.C.

Cranberry Township, Pennsylvania

March 7, 2018

4

MIDDLEFIELD BANC CORP.

CONSOLIDATED BALANCE SHEET

(Dollar amounts in thousands, except shares)

	December 31,
	2017			2016
ASSETS
Cash and due from banks	$	39,886		$	31,395
Federal funds sold		-			1,100
Cash and cash equivalents		39,886			32,495
Investment securities available for sale, at fair value		95,283			114,376
Loans held for sale		463			634
Loans		923,213			609,140
Less allowance for loan and lease losses		7,190			6,598
Net loans		916,023			602,542
Premises and equipment, net		11,853			11,203
Goodwill		15,071			4,559
Core deposit intangibles		2,749			36
Bank-owned life insurance		15,652			13,540
Other real estate owned		212			934
Accrued interest receivable and other assets		9,144			7,502
TOTAL ASSETS	$	1,106,336		$	787,821
LIABILITIES
Deposits:
Noninterest-bearing demand	$	192,438		$	133,630
Interest-bearing demand		83,990			59,560
Money market		150,277			74,940
Savings		208,502			172,370
Time		242,987			189,434
Total deposits		878,194			629,934
Short-term borrowings		74,707			68,359
Other borrowings		29,065			9,437
Accrued interest payable and other liabilities		4,507			3,131
TOTAL LIABILITIES		986,473			710,861
STOCKHOLDERS' EQUITY
Common stock, no par value; 10,000,000 shares authorized, 3,603,881 and 2,640,418 shares issued; 3,217,716 and 2,254,253 shares outstanding		84,859			47,943
Retained earnings		47,431			41,334
Accumulated other comprehensive income		1,091			1,201
Treasury stock, at cost; 386,165 shares		(13,518	)		(13,518	)
TOTAL STOCKHOLDERS' EQUITY		119,863			76,960
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	1,106,336		$	787,821

See accompanying notes to the consolidated financial statements.

5

MIDDLEFIELD BANC CORP.

CONSOLIDATED STATEMENT OF INCOME

(Dollar amounts in thousands, except per share data)

	Year Ended December 31,
	2017		2016			2015
INTEREST AND DIVIDEND INCOME
Interest and fees on loans	$	40,235	$	25,798		$	23,824
Interest-bearing deposits in other institutions		328		53			33
Federal funds sold		15		20			13
Investment securities:
Taxable interest		762		1,106			1,467
Tax-exempt interest		2,406		2,913			3,160
Dividends on stock		249		104			98
Total interest and dividend income		43,995		29,994			28,595
INTEREST EXPENSE
Deposits		5,350		3,618			3,426
Short-term borrowings		753		322			194
Other borrowings		544		250			200
Total interest expense		6,647		4,190			3,820
NET INTEREST INCOME		37,348		25,804			24,775
Provision for loan losses		1,045		570			315
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES		36,303		25,234			24,460
NONINTEREST INCOME
Service charges on deposit accounts		1,875		1,940			1,874
Investment securities gains, net		886		303			323
Earnings on bank-owned life insurance		431		403			624
Gain on sale of loans		826		419			329
Other income		841		894			894
Total noninterest income		4,859		3,959			4,044
NONINTEREST EXPENSE
Salaries and employee benefits		13,758		10,249			9,751
Occupancy expense		1,846		1,252			1,253
Equipment expense		1,050		991			944
Data processing costs		1,792		1,335			1,071
Ohio state franchise tax		744		632			300
Federal deposit insurance expense		533		438			472
Professional fees		1,752		1,441			1,247
Net loss (gain) on other real estate owned		30		(119	)		563
Advertising expense		821		734			721
Core deposit intangible amortization		374		40			40
Merger expense		1,060		-			-
Other expense		3,725		3,879			3,715
Total noninterest expense		27,485		20,872			20,077
Income before income taxes		13,677		8,321			8,427
Income taxes		4,222		1,905			1,562
NET INCOME	$	9,455	$	6,416		$	6,865
EARNINGS PER SHARE
Basic	$	3.12	$	3.04		$	3.41
Diluted		3.10		3.03			3.39
DIVIDENDS DECLARED PER SHARE	$	1.08	$	1.08		$	1.07

See accompanying notes to the consolidated financial statements.

6

MIDDLEFIELD BANC CORP.

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

(Dollar amounts in thousands)

	Year Ended December 31,
	2017			2016			2015
Net income	$	9,455		$	6,416		$	6,865
Other comprehensive loss:
Net unrealized holding gain (loss) on available- for-sale investment securities		719			(1,505	)		91
Tax effect		(244	)		511			(31	)
Reclassification adjustment for investment securities gains included in net income		(886	)		(303	)		(323	)
Tax effect		301			103			110
Total other comprehensive loss		(110	)		(1,194	)		(153	)
Comprehensive income	$	9,345		$	5,222		$	6,712

See accompanying notes to the consolidated financial statements.

7

MIDDLEFIELD BANC CORP.

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY

(Dollar amounts in thousands, except shares and dividend per share amount)

									Accumulated
									Other						Total
	Common Stock					Retained			Comprehensive			Treasury			Stockholders'
	Shares		Amount			Earnings			Income (Loss)			Stock			Equity
Balance, December 31, 2014		2,242,025	$	35,529		$	32,524		$	2,548		$	(6,734	)	$	63,867
Net income							6,865									6,865
Other comprehensive loss										(153	)					(153	)
Purchase of treasury stock (196,635 shares)													(6,784	)		(6,784	)
Dividend reinvestment and purchase plan		20,393		651												651
Stock options exercised		400		(7	)											(7	)
Stock-based compensation expense		585		18												18
Cash dividends ($1.07 per share)							(2,153	)								(2,153	)
Balance, December 31, 2015		2,263,403	$	36,191		$	37,236		$	2,395		$	(13,518	)	$	62,304
Net income							6,416									6,416
Other comprehensive loss										(1,194	)					(1,194	)
Common stock issuance, net of issuance cost ($697)		360,815		11,210												11,210
Dividend reinvestment and purchase plan		15,300		519												519
Stock options exercised		-		(6	)											(6	)
Stock-based compensation expense		900		29												29
Cash dividends ($1.08 per share)							(2,318	)								(2,318	)
Balance, December 31, 2016		2,640,418	$	47,943		$	41,334		$	1,201		$	(13,518	)	$	76,960
Net income							9,455									9,455
Other comprehensive loss										(110	)					(110	)
Common stock issued in business combination		544,610		20,995												20,995
Other common stock issuance, net of offering cost ($760)		399,008		15,164												15,164
Dividend reinvestment and purchase plan		11,721		540												540
Stock options exercised		7,301		184												184
Stock-based compensation expense		823		33												33
Cash dividends ($1.08 per share)							(3,358	)								(3,358	)
Balance, December 31, 2017		3,603,881	$	84,859		$	47,431		$	1,091		$	(13,518	)	$	119,863

See accompanying notes to the consolidated financial statements.

8

MIDDLEFIELD BANC CORP.

CONSOLIDATED STATEMENT OF CASH FLOWS

(Dollar amounts in thousands)

	Year Ended December 31,
	2017			2016			2015
OPERATING ACTIVITIES
Net income	$	9,455		$	6,416		$	6,865
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses		1,045			570			315
Investment securities gains, net		(886	)		(303	)		(323	)
Depreciation and amortization of premises and equipment, net		1,291			1,026			973
Amortization of premium and discount on investment securities, net		451			119			669
Accretion of deferred loan fees, net		(451	)		(245	)		(603	)
Amortization of core deposit intangibles		374			40			40
Stock-based compensation expense		33			29			18
Origination of loans held for sale		(10,020	)		(19,736	)		(17,889	)
Proceeds from sale of loans		10,482			20,628			17,549
Gain on sale of loans		(291	)		(419	)		(329	)
Origination of student loans held for sale		(365,674	)		-			-
Proceeds from sale of student loans		372,162			-			-
Gain on sale of student loans		(535	)		-			-
Earnings on bank-owned life insurance		(431	)		(403	)		(624	)
Deferred income taxes		293			(93	)		558
Net (gain) loss on other real estate owned		30			(119	)		563
Increase in accrued interest receivable		(422	)		(39	)		(292	)
Increase in accrued interest payable		136			-			80
Other, net		(3,122	)		330			(388	)
Net cash provided by operating activities		13,920			7,801			7,182
INVESTING ACTIVITIES
Investment securities available for sale:
Proceeds from repayments and maturities		14,899			23,201			13,497
Proceeds from sale of securities		6,474			9,063			15,686
Purchases		(3,080	)		(1,744	)		(21,946	)
Increase in loans, net		(119,866	)		(76,199	)		(63,937	)
Proceeds from the sale of other real estate owned		2,196			1,607			1,762
Purchase of bank-owned life insurance		-			-			(4,000	)
Purchase of premises and equipment		(1,201	)		(2,166	)		(507	)
Purchase of restricted stock		(899	)		(317	)		-
Redemption of restricted stock		795			-			-
Proceeds from bank-owned life insurance		-			575			-
Acquisition, net of cash paid		5,431			-			-
Net cash used in investing activities		(95,251	)		(45,980	)		(59,445	)
FINANCING ACTIVITIES
Net increase in deposits		50,216			5,487			38,335
Increase in short-term borrowings, net		6,348			32,534			21,017
Repayment of other borrowings		(10,372	)		(502	)		(685	)
Proceeds from other borrowings		30,000			-			-
Proceeds from common stock issued		15,164			11,210			-
Stock options exercised		184			(6	)		(7	)
Proceeds from dividend reinvestment and purchase plan		540			519			651
Purchase of treasury stock		-			-			(6,784	)
Cash dividends		(3,358	)		(2,318	)		(2,153	)
Net cash provided by financing activities		88,722			46,924			50,374
Increase (decrease) in cash and cash equivalents		7,391			8,745			(1,889	)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR		32,495			23,750			25,639
CASH AND CASH EQUIVALENTS AT END OF YEAR	$	39,886		$	32,495		$	23,750

See accompanying notes to the consolidated financial statements.

9

SUPPLEMENTAL INFORMATION
Cash paid during the year for:
Interest on deposits and borrowings	$	6,511		$	4,190	$	3,740
Income taxes		5,705			1,335		800
Noncash investing transactions:
Loans to facilitate the sale of other real estate owned	$	-		$	63	$	-
Transfers from loans to other real estate owned		1,179			720		638
Life insurance proceeds not yet received from insurance company		-			-		575
Common stock issued in business acquisition		20,995			-		-
Acquisition of Liberty
Noncash assets acquired
Loans	$	195,388		$	-	$	-
Loans held for sale		5,953			-		-
Premises and equipment, net		325			-		-
Accrued interest receivable		440			-		-
Bank-owned life insurance		1,681			-		-
Core deposit intangible		3,087			-		-
Other assets		997			-		-
Goodwill		10,512			-		-
Total noncash assets acquired		218,383			-		-
Liabilities assumed
Time deposits		(30,744	)		-		-
Deposits other than time deposits		(167,300	)		-		-
Accrued interest payable		(47	)		-		-
Deferred taxes		(906	)		-		-
Other liabilities		(2,754	)		-		-
Total liabilities assumed		(201,751	)		-		-
Liberty stock acquired in business combination		(1,068	)		-		-
Net noncash assets acquired	$	15,564		$	-	$	-
Cash and cash equivalents acquired, net	$	5,431		$	-	$	-

See accompanying notes to the consolidated financial statements.

10

MIDDLEFIELD BANC CORP.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

A summary of the significant accounting and reporting policies applied in the presentation of the accompanying financial statements follows:

Nature of Operations and Basis of Presentation

Middlefield Banc Corp. (the “Company”) is an Ohio corporation organized to become the holding company of The Middlefield Banking Company (“MBC”). MBC is a state-chartered bank located in Ohio. On October 23, 2009, the Company established an asset resolution subsidiary named EMORECO, Inc. The Company and its subsidiaries derive substantially all of their income from banking and bank-related services, which includes interest earnings on residential real estate, commercial mortgage, commercial and consumer financings as well as interest earnings on investment securities and deposit services to its customers through fourteen full-service locations. The Company is supervised by the Board of Governors of the Federal Reserve System, while MBC is subject to regulation and supervision by the Federal Deposit Insurance Corporation and the Ohio Division of Financial Institutions.

The consolidated financial statements of the Company include its wholly owned subsidiaries, MBC and EMORECO, Inc. Significant intercompany items have been eliminated in preparing the consolidated financial statements.

On January 12, 2017, the Company completed its acquisition of Liberty, pursuant to a previously announced definitive merger agreement. Under the terms of the merger agreement, Liberty shareholders received $37.96 in cash or 1.1934 shares of the Company’s common stock in exchange for each share of Liberty common stock they owned immediately prior to the merger. The Company issued 544,610 shares of its common stock in the merger and the aggregate merger consideration was approximately $42.2 million. Upon closing, Liberty was merged into MBC, and its three full-service bank offices, in Twinsburg in northern Summit County and in Beachwood and Solon in eastern Cuyahoga County, became offices of MBC. The systems integration of Liberty into MBC was completed in February, 2017.

The financial statements have been prepared in conformity with U.S. Generally Accepted Accounting Principles. In preparing the financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the balance sheet date and revenues and expenses for the period. Actual results could differ from those estimates.

Investment Securities

Investment securities are classified at the time of purchase, based on management’s intention and ability, as securities held to maturity or securities available for sale. Debt securities acquired with the intent and ability to hold to maturity are stated at cost adjusted for amortization of premium and accretion of discount, which are computed using a level yield method and recognized as adjustments of interest income. Certain other debt securities have been classified as available for sale to serve principally as a source of liquidity. Unrealized holding gains and losses for available-for-sale securities are reported as a separate component of stockholders’ equity, net of tax, until realized. Realized security gains and losses are computed using the specific identification method. Interest and dividends on investment securities are recognized as income when earned.

Securities are evaluated on at least a quarterly basis and more frequently when economic or market conditions warrant such an evaluation to determine whether a decline in their value is other than temporary. For debt securities, management considers whether the present value of cash flows expected to be collected are less than the security’s amortized cost basis (the difference defined as the credit loss), the magnitude and duration of the decline, the reasons underlying the decline and the Bank’s intent to sell the security or whether it is more likely than not that the Bank would be required to sell the security before its anticipated recovery in market value, to determine whether the loss in value is other than temporary. Once a decline in value is determined to be other than temporary, if the Bank does not intend to sell the security, and it is more likely than not that it will not be required to sell the security, before recovery of the security’s amortized cost basis, the charge to earnings is limited to the amount of credit loss. Any remaining difference between fair value and amortized cost (the difference defined as the non-credit portion) is recognized in other comprehensive income, net of applicable taxes. Otherwise, the entire difference between fair value and amortized cost is charged to earnings. For equity securities where the fair value has been significantly below cost for one year, the Bank’s policy is to recognize an impairment loss unless sufficient evidence is available that the decline is not other than temporary and a recovery period can be predicted.

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Restricted Stock

Common stock of the Federal Home Loan Bank (“FHLB”) represents ownership in an institution that is wholly owned by other financial institutions. This equity security is accounted for at cost and classified with other assets. The FHLB of Cincinnati has reported profits for 2017 and 2016, remains in compliance with regulatory capital and liquidity requirements, and continues to pay dividends on the stock and make redemptions at the par value. With consideration given to these factors, management concluded that the stock was not impaired at December 31, 2017 or 2016.

Mortgage Banking Activities

Mortgage loans originated and intended for sale in the secondary market are carried at fair value. The Bank sells the loans on a servicing retained basis. Servicing rights are initially recorded at fair value with the income statement effect recorded in gains on sales of loans. The Bank measures servicing assets using the amortization method. Fair value is based on market prices for comparable mortgage servicing contracts, when available, or alternatively, is based on a valuation model that calculates the present value of estimated future net servicing income. Loan servicing rights are amortized in proportion to and over the period of estimated net future servicing revenue. The expected period of the estimated net servicing income is based in part on the expected prepayment of the underlying mortgages. The unamortized balance of mortgage servicing rights is included in accrued interest and other assets on the Consolidated Balance Sheet.

Mortgage servicing rights are periodically evaluated for impairment. Impairment represents the excess of amortized cost over its estimated fair value. Impairment is determined by stratifying rights into tranches based on predominant risk characteristics, such as interest rate and original time to maturity. Any impairment is reported as a valuation allowance for an individual tranche. If the Company later determines that all or a portion of the impairment no longer exists for a particular grouping, a reduction of the allowance will be recorded as an increase to income.

Servicing fee income is recorded for fees earned for servicing loans. The fees are based on a contractual percentage of outstanding principal and are recorded as income when earned. The amortization of mortgage servicing rights is netted against loan servicing fee income. Late fees and ancillary fees related to loan servicing are not material. The Bank is servicing loans for others in the amount of $50.4 million and $39.9 million at December 31, 2017 and 2016, respectively.

Loans

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff generally are reported at their outstanding unpaid principal balances net of the allowance for loan and lease losses. Interest income is recognized as income when earned on the accrual method. The accrual of interest is discontinued on a loan when management believes, after considering economic and business conditions, the borrower’s financial condition is such that collection of interest is doubtful. Interest received on nonaccrual loans is recorded as income or applied against principal according to management’s judgment as to the collectability of such principal.

Loan origination fees and certain direct loan origination costs are being deferred and the net amount amortized as an adjustment of the related loan’s yield. Management is amortizing these amounts over the contractual life of the related loans.

Allowance for Loan and Lease Losses

The allowance for loan and lease losses represents the amount which management estimates is adequate to provide for probable loan losses inherent in the loan portfolio. The allowance method is used in providing for loan losses. Accordingly, all loan losses are charged to the allowance, and all recoveries are credited to it. The allowance for loan and lease losses is established through a provision for loan losses which is charged to operations. The provision is based on management’s periodic evaluation of the adequacy of the allowance for loan and lease losses, which encompasses the overall risk characteristics of the various portfolio segments, past experience with losses, the impact of economic conditions on borrowers, and other relevant factors. The estimates used in determining the adequacy of the allowance for loan and lease losses, including the amounts and timing of future cash flows expected on impaired loans, are particularly susceptible to significant change in the near term.

A loan is considered impaired when it is probable the borrower will not repay the loan according to the original contractual terms of the loan agreement. Management has determined that first mortgage loans on one-to-four family properties and all consumer loans represent large groups of smaller-balance homogeneous loans that are to be collectively evaluated. Loans that experience insignificant payment delays, which are defined as 90 days or less, generally are not classified as impaired. A loan is not impaired during a period of delay in payment if the Company expects to collect all amounts due, including interest accrued, at the contractual interest rate for the period of delay. All loans identified as impaired are evaluated independently by management. The Company estimates credit losses on impaired loans based on the present value of expected cash flows or the fair value of the underlying collateral if the loan repayment is expected to come from the sale or operation of such collateral. Impaired loans, or portions thereof, are charged off when it is determined a realized loss has occurred. Until such time, an allowance for loan and lease losses is maintained for estimated losses. Cash receipts on impaired loans are applied first to accrued interest receivable unless otherwise required by the loan terms, except when an impaired loan is also a nonaccrual loan, in which case the portion of the payment related to interest is used to reduce principal.

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Mortgage loans secured by one-to-four family properties and all consumer loans are large groups of smaller-balance homogeneous loans and are measured for impairment collectively. Management determines the significance of payment delays on a case-by-case basis, taking into consideration all circumstances concerning the loan, the creditworthiness and payment history of the borrower, the length of the payment delay, and the amount of shortfall in relation to the principal and interest owed.

Loans Acquired

Loans acquired including loans that have evidence of deterioration of credit quality since origination and for which it is probable, at acquisition, that the Company will be unable to collect all contractually required payments receivable, are initially recorded at fair value (as determined by the present value of expected future cash flows) with no valuation allowance. Loans are evaluated individually to determine if there is evidence of deterioration of credit quality since origination. The difference between the undiscounted cash flows expected at acquisition and the investment in the loan, or the “accretable yield,” is recognized as interest income on a level-yield method over the life of the loan. Contractually required payments for interest and principal that exceed the undiscounted cash flows expected at acquisition, or the “non-accretable difference,” are not recognized as a yield adjustment or as a loss accrual or a valuation allowance. Increases in expected cash flows subsequent to the initial investment are recognized prospectively through adjustment of the yield on the loan over its remaining estimated life. Decreases in expected cash flows are recognized immediately as impairment. Any valuation allowances on these impaired loans reflect only losses incurred after acquisition.

For purchased loans acquired that are not deemed impaired at acquisition, credit discounts representing the principal losses expected over the life of the loan are a component of the initial fair value. Loans are aggregated and accounted for as a pool of loans if the loans being aggregated have common risk characteristics. Subsequent to the purchase date, the methods utilized to estimate the required allowance for credit losses for these loans is similar to originated loans; however, the Company records a provision for loan losses only when the required allowance exceeds any remaining credit discounts. The remaining differences between the purchase price and the unpaid principal balance at the date of acquisition are recorded in interest income over the life of the loans.

Premises and Equipment

Land is carried at cost. Premises and equipment are stated at cost net of accumulated depreciation. Depreciation is computed on the straight-line method over the estimated useful lives of the assets, which range from 3 to 20 years for furniture, fixtures, and equipment and 3 to 40 years for buildings and leasehold improvements. Expenditures for maintenance and repairs are charged against income as incurred. Costs of major additions and improvements are capitalized.

Goodwill

The Company accounts for goodwill using a three-step process for testing the impairment of goodwill on at least an annual basis. This approach could cause more volatility in the Company’s reported net income because impairment losses, if any, could occur irregularly and in varying amounts. No impairment of goodwill was recognized in any of the periods presented.

Intangible Assets

Intangible assets include core deposit intangibles, which are a measure of the value of consumer demand and savings deposits acquired in business combinations accounted for as purchases. The core deposit intangibles are being amortized to their estimated residual values over their expected useful lives, commonly of ten years. The recoverability of the carrying value of intangible assets is evaluated on an ongoing basis, and permanent declines in value, if any, are charged to expense.

Bank-Owned Life Insurance (“BOLI”)

The Company owns insurance on the lives of a certain group of key employees. The policies were purchased to help offset the increase in the costs of various fringe benefit plans including healthcare. The cash surrender value of these policies is included as an asset on the Consolidated Balance Sheet and any increases in the cash surrender value are recorded as noninterest income on the Consolidated Statement of Income. In the event of the death of an insured individual under these policies, the Company would receive a death benefit, which would be recorded as noninterest income.

Other Real Estate Owned

Real estate properties acquired through foreclosure are initially recorded at fair value at the date of foreclosure, establishing a new cost basis. After foreclosure, management periodically performs valuations and the real estate is carried at the lower of cost or fair value less estimated cost to sell. Revenue and expenses from operations of the properties, gains or losses on sales and additions to the valuation allowance are included in operating results.

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Income Taxes

The Company and its subsidiaries file a consolidated federal income tax return. Deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which the deferred tax assets or liabilities are expected to be realized or settled. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes.

Earnings Per Share

The Company provides dual presentation of basic and diluted earnings per share. Basic earnings per share is calculated utilizing net income as reported in the numerator and average shares outstanding in the denominator. The computation of diluted earnings per share differs in that the dilutive effects of any stock options, warrants, and convertible securities are adjusted in the denominator.

Stock-Based Compensation

The Company accounts for stock compensation based on the grant date fair value of all share-based payment awards that are expected to vest, including employee share options to be recognized as employee compensation expense over the requisite service period.

Compensation cost is recognized for restricted stock units issued to employees based on the fair value of these awards at the date of grant. The market price of the Company’s common shares at the date of grant is used to estimate the fair value of restricted stock units and stock awards. Compensation cost is recognized over the required service period, generally defined as the vesting period, and is recorded in "Salaries" expense. (See Note 14-Employee Benefits)

Cash Flow Information

The Company has defined cash and cash equivalents as those amounts included in the Consolidated Balance Sheet captions as “Cash and due from banks” and “Federal funds sold” with original maturities of less than 90 days.

Advertising Costs

Advertising costs are expensed as incurred.

Reclassification of Comparative Amounts

Certain comparative amounts for prior years have been reclassified to conform to current-year presentations. Such reclassifications did not affect net income or retained earnings.

Recent Accounting Pronouncements:

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (a new revenue recognition standard). The Update’s core principle is that a company will recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In addition, this Update specifies the accounting for certain costs to obtain or fulfill a contract with a customer and expands disclosure requirements for revenue recognition. This Update is effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. Since the guidance does not apply to revenue associated with financial instruments, including loan receivables and investment securities, we do not expect the adoption of the new standard, or any of the amendments, to result in a material change from our current accounting for revenue because the majority of the Company's revenue is not within the scope of Topic 606.  However, we do expect that the standard will result in new disclosure requirements, which are currently being evaluated.

In August 2015, the FASB issued ASU 2015-14, Revenue from Contracts with Customers (Topic 606). The amendments in this Update defer the effective date of ASU 2014-09 for all entities by one year. Public business entities, certain not-for-profit entities, and certain employee benefit plans should apply the guidance in ASU 2014-09 to annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period. All other entities should apply the guidance in ASU 2014-09 to annual reporting periods beginning after December 15, 2018, and interim reporting periods within annual reporting periods beginning after December 15, 2019. The Company is evaluating the effect of adopting this new accounting Update.

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In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). The standard requires lessees to recognize the assets and liabilities that arise from leases on the balance sheet.  A lessee should recognize in the statement of financial position a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term.  A short-term lease is defined as one in which (a) the lease term is 12 months or less and (b) there is not an option to purchase the underlying asset that the lessee is reasonably certain to exercise. For short-term leases, lessees may elect to recognize lease payments over the lease term on a straight-line basis. For public business entities, the amendments in this Update are effective for fiscal years beginning after December 15, 2018, and interim periods within those years. For all other entities, the amendments in this Update are effective for fiscal years beginning after December 15, 2019, and for interim periods within fiscal years beginning after December 15, 2020. The amendments should be applied at the beginning of the earliest period presented using a modified retrospective approach with earlier application permitted as of the beginning of an interim or annual reporting period. The Company is currently assessing the practical expedients it may elect at adoption, but does not anticipate the amendments will have a significant impact on the financial statements. Based on the Company’s preliminary analysis of its current portfolio, the impact to the Company’s balance sheet is estimated to result in less than a 1 percent increase in assets and liabilities. The Company also anticipates additional disclosures to be provided at adoption.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses: Measurement of Credit Losses on Financial Instruments, which changes the impairment model for most financial assets. This Update is intended to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations. The underlying premise of the Update is that financial assets measured at amortized cost should be presented at the net amount expected to be collected, through an allowance for credit losses that is deducted from the amortized cost basis. The allowance for credit losses should reflect management’s current estimate of credit losses that are expected to occur over the remaining life of a financial asset. The income statement will be effected for the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period. ASU 2016-13 is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted for annual and interim periods beginning after December 15, 2018. With certain exceptions, transition to the new requirements will be through a cumulative effect adjustment to opening retained earnings as of the beginning of the first reporting period in which the guidance is adopted. Management is currently evaluating the impact of the adoption of this guidance on the Company's consolidated financial statements. Management will oversee the implementation of CECL and is currently in the process of implementing a software solution to assist in the adoption of this ASU. Management plans to run the current incurred loss model and the CECL model concurrently for 12 months prior to the adoption of this guidance on January 1, 2020.

In January 2017, the FASB issued ASU 2017-01, Business Combinations (Topic 805), Clarifying the Definition of a Business, which provides a more robust framework to use in determining when a set of assets and activities (collectively referred to as a “set”) is a business. The screen requires that when substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single identifiable asset or a group of similar identifiable assets, the set is not a business. This screen reduces the number of transactions that need to be further evaluated. Public business entities should apply the amendments in this Update to annual periods beginning after December 15, 2017, including interim periods within those periods. All other entities should apply the amendments to annual periods beginning after December 15, 2018, and interim periods within annual periods beginning after December 15, 2019. The amendments in this Update should be applied prospectively on or after the effective date. This Update is not expected to have a significant impact on the Company’s financial statements.

In January 2017, the FASB issued ASU 2017-04, Simplifying the Test for Goodwill Impairment. To simplify the subsequent measurement of goodwill, the FASB eliminated Step 2 from the goodwill impairment test. In computing the implied fair value of goodwill under Step 2, an entity had to perform procedures to determine the fair value at the impairment testing date of its assets and liabilities (including unrecognized assets and liabilities) following the procedure that would be required in determining the fair value of assets acquired and liabilities assumed in a business combination. Instead, under the amendments in this Update, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. A public business entity that is a U.S. Securities and Exchange Commission (SEC) filer should adopt the amendments in this Update for its annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. A public business entity that is not an SEC filer should adopt the amendments in this Update for its annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2020. All other entities, including not-for-profit entities, that are adopting the amendments in this Update should do so for their annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2021. This Update is not expected to have a significant impact on the Company’s financial statements.

In March 2017, the FASB issued ASU 2017-08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20). The amendments in this Update shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. For public business entities, the amendments in this Update are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. For all other entities, the amendments are effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. Early adoption is permitted, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity should apply the amendments in this Update on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. Additionally, in the period of adoption, an entity should provide disclosures about a change in accounting principle. This Update is not expected to have a significant impact on the Company’s financial statements.

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In May 2017, the FASB issued ASU 2017-09, Compensation – Stock Compensation (Topic 718), which affects any entity that changes the terms or conditions of a share-based payment award.  This Update amends the definition of modification by qualifying that modification accounting does not apply to changes to outstanding share-based payment awards that do not affect the total fair value, vesting requirements, or equity/liability classification of the awards.  The amendments in this Update are effective for all entities for annual periods, and interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted, including adoption in any interim period, for (1) public business entities for reporting periods for which financial statements have not yet been issued and (2) all other entities for reporting periods for which financial statements have not yet been made available for issuance. The amendments in this Update should be applied prospectively to an award modified on or after the adoption date. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s financial position or results of operations.

In February 2018, the FASB issued ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220), which allows for optional reclassification of stranded tax effects related to the Tax Cuts and Jobs Act of 2017 (TCJA). When elected, this Update requires all stranded tax effects related to the TCJA to be reclassified (i.e., including other income tax effects not specifically related to the change in rates). Entities electing to reclassify stranded tax effects related to the TCJA are required to disclose that the election was made, including a description of the other income tax effects, if any, related to the TCJA that were reclassified. Entities not electing to reclassify stranded tax effects related to the TCJA are required to disclose, in the period of adoption, that the election was not made. In addition, all entities are required to disclose their accounting policy for releasing income tax effects from accumulated other comprehensive income (i.e., including those income tax effects not related to the TCJA). This Update requires certain additional transitional disclosures. Application is allowed at the beginning of the period of adoption (annual or interim) or retrospectively and is effective for all entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. All entities, including public entities, that have not yet issued their financial statements may early adopt the standard. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s financial position or results of operations.

2. EARNINGS PER SHARE

There are no convertible securities that would affect the numerator in calculating basic and diluted earnings per share; therefore, net income as presented on the Consolidated Statement of Income will be used as the numerator. The following table sets forth the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computation for the year ended December 31:

	2017			2016			2015
Weighted-average common shares outstanding		3,415,115			2,494,022			2,251,365
Average treasury stock shares		(386,165	)		(386,165	)		(236,399	)
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share		3,028,950			2,107,857			2,014,966
Additional common stock equivalents (stock options) used to calculate diluted earnings per share		23,635			11,357			9,154
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share		3,052,585			2,119,214			2,024,120

Options to purchase 19,750 shares of common stock at prices ranging from $17.55 to $23.00 were outstanding during the year ended December 31, 2017. Also outstanding were 14,601 shares of restricted stock units. None of the outstanding options or RSU’s were anti-dilutive.

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Options to purchase 29,324 shares of common stock at prices ranging from $17.55 to $37.48 were outstanding during the year ended December 31, 2016. Of those options, 29,324 were considered dilutive based on the average market price exceeding the strike price for the year ended December 31, 2016, and no options were anti-dilutive.

Options to purchase 31,949 shares of common stock at prices ranging from $17.55 to $40.24 were outstanding during the year ended December 31, 2015. Of those options, 27,250 were considered dilutive based on the average market price exceeding the strike price for the year ended December 31, 2015, and 4,699 options were anti-dilutive.

3. INVESTMENT SECURITIES AVAILABLE FOR SALE

The amortized cost, gross gains and losses and fair values of securities available for sale are as follows:

	December 31, 2017
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	8,664	$	126	$	(71	)	$	8,719
Obligations of states and political subdivisions:
Taxable		504		8		-			512
Tax-exempt		65,408		1,547		(38	)		66,917
Mortgage-backed securities in government-sponsored entities		18,640		157		(287	)		18,510
Total debt securities		93,216		1,838		(396	)		94,658
Equity securities in financial institutions		415		210		-			625
Total	$	93,631	$	2,048	$	(396	)	$	95,283

	December 31, 2016
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	10,158	$	174	$	(96	)	$	10,236
Obligations of states and political subdivisions:
Taxable		1,615		129		(4	)		1,740
Tax-exempt		78,327		1,678		(522	)		79,483
Mortgage-backed securities in government-sponsored entities		20,128		202		(261	)		20,069
Private-label mortgage-backed securities		1,579		130		-			1,709
Total debt securities		111,807		2,313		(883	)		113,237
Equity securities in financial institutions		750		389		-			1,139
Total	$	112,557	$	2,702	$	(883	)	$	114,376

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The amortized cost and fair value of debt securities at December 31, 2017, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Amortized		Fair
(Dollar amounts in thousands)	Cost		Value
Due in one year or less	$	2,340	$	2,377
Due after one year through five years		9,718		9,878
Due after five years through ten years		10,992		11,012
Due after ten years		70,166		71,391
Total	$	93,216	$	94,658

Investment securities with an approximate carrying value of $57.9 million and $60.3 million at December 31, 2017 and 2016, respectively, were pledged to secure deposits and other purposes as required by law.

Proceeds from the sales of securities available for sale and the gross realized gains and losses for the years ended December 31, 2017 through 2015, are as follows (in thousands):

	2017				2016			2015
Proceeds from sales	$	6,474			$	9,063		$	15,686
Gross realized gains		911		*		309			440
Gross realized losses		(25	)			(6	)		(117	)

*Prior to the acquisition of Liberty, the Company had a previously held equity interest in Liberty which was re-measured at fair value on the acquisition date and resulted in a gain of $488,000, which was recorded in Investment Securities Gains on the consolidated Income Statement for the year ended December 31, 2017.

The following tables show the Company’s gross unrealized losses and fair value, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position.

	December 31, 2017
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	557	$	(4	)	$	4,036	$	(67	)	$	4,593	$	(71	)
Obligations of states and political subdivisions
Tax-exempt		1,009		(6	)		2,784		(32	)		3,793		(38	)
Mortgage-backed securities in government-sponsored entities		5,698		(71	)		8,734		(216	)		14,432		(287	)
Total	$	7,264	$	(81	)	$	15,554	$	(315	)	$	22,818	$	(396	)

	December 31, 2016
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	3,803	$	(47	)	$	1,316	$	(49	)	$	5,119	$	(96	)
Obligations of states and political subdivisions
Taxable		502		(4	)		-		-			502		(4	)
Tax-exempt		23,554		(522	)		-		-			23,554		(522	)
Mortgage-backed securities in government-sponsored entities		9,066		(126	)		4,438		(135	)		13,504		(261	)
Total	$	36,925	$	(699	)	$	5,754	$	(184	)	$	42,679	$	(883	)

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There were 29 securities that were considered temporarily impaired at December 31, 2017.

On a quarterly basis, the Company performs an assessment to determine whether there have been any events or economic circumstances indicating that a security with an unrealized loss has suffered other-than-temporary impairment (“OTTI”). A debt security is considered impaired if the fair value is less than its amortized cost basis at the reporting date. The accounting literature requires the Company to assess whether the unrealized loss is other than temporary. For equity securities where the fair value has been significantly below cost for one year, the Company’s policy is to recognize an impairment loss unless sufficient evidence is available that the decline is not other than temporary and a recovery period can be predicted.

The Company has asserted that at December 31, 2017 and 2016, the declines outlined in the above table represent temporary declines and the Company does not intend to sell and does not believe it will be required to sell these securities before recovery of their cost basis, which may be at maturity. The Company has concluded that any impairment of its investment securities portfolio outlined in the above table is not other than temporary and is the result of interest rate changes, sector credit rating changes, or company-specific rating changes that are not expected to result in the non-collection of principal and interest during the period.

Debt securities issued by U.S. government agencies, U.S. government-sponsored enterprises, and state and political subdivisions accounted for 99.3% of the total available-for-sale portfolio as of December 31, 2017, and no credit losses are expected, given the explicit and implicit guarantees provided by the U.S. federal government and the lack of significant unrealized loss positions within the obligations of state and political subdivisions security portfolio. The Company evaluates credit losses on a quarterly basis. The Company considered the following factors in determining whether a credit loss exists and the period over which the debt security is expected to recover:

● The length of time and the extent to which the fair value has been less than the amortized cost basis.

● Changes in the near term prospects of the underlying collateral of a security such as changes in default rates, loss severity given default and significant changes in prepayment assumptions.

● The level of cash flows generated from the underlying collateral supporting the principal and interest payments of the debt securities.

● Any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information available about the overall financial condition of the issuer, credit ratings, recent legislation, and government actions affecting the issuer’s industry and actions taken by the issuer to deal with the present economic climate.

4. LOANS AND RELATED ALLOWANCE FOR LOAN AND LEASE LOSSES

Major classifications of loans at December 31 are summarized as follows (in thousands):

	2017			2016
Commercial and industrial	$	101,346		$	60,630
Real estate - construction		47,017			23,709
Real estate - mortgage:
Residential		318,157			270,830
Commercial		437,947			249,490
Consumer installment		18,746			4,481
		923,213			609,140
Less: Allowance for loan and lease losses		(7,190	)		(6,598	)
Net loans	$	916,023		$	602,542

The amounts above include net deferred loan origination costs of $1.5 million and $1.7 million at December 31, 2017 and December 31, 2016, respectively.

The Company’s primary business activity is with customers located within its local Northeastern Ohio trade area, eastern Geauga County, and contiguous counties to the north, east, and south. The Company also serves the central Ohio market with offices in Dublin, Sunbury and Westerville, Ohio. The Northeastern Ohio trade area includes the newly acquired Liberty locations in Beachwood, Twinsburg, and Solon, Ohio. Commercial, residential, consumer, and agricultural loans are granted. Although the Company has a diversified loan portfolio at December 31, 2017 and 2016, loans outstanding to individuals and businesses are dependent upon the local economic conditions in the Company’s immediate trade area.

19

The following tables summarize the primary segments of the loan portfolio and the allowance for loan and lease losses (in thousands):

					Real Estate- Mortgage
December 31, 2017	Commercial and industrial		Real estate- construction		Residential		Commercial			Consumer installment	Total
Loans:
Individually evaluated for impairment	$	3,627	$	44	$	2,824	$	5,610	$	4	$	12,109
Collectively evaluated for impairment		97,719		46,973		315,333		432,337		18,742		911,104
Total loans	$	101,346	$	47,017	$	318,157	$	437,947	$	18,746	$	923,213

					Real estate- Mortgage
December 31, 2016	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Loans:
Individually evaluated for impairment	$	1,190	$	913	$	3,135	$	7,187	$	5	$	12,430
Collectively evaluated for impairment		59,440		22,796		267,695		242,303		4,476		596,710
Total loans	$	60,630	$	23,709	$	270,830	$	249,490	$	4,481	$	609,140

					Real Estate- Mortgage
December 31, 2017	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Allowance for loan and lease losses:
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$	694	$	-	$	140	$	733	$	-	$	1,567
Collectively evaluated for impairment		305		313		1,620		3,303		82		5,623
Total ending allowance balance	$	999	$	313	$	1,760	$	4,036	$	82	$	7,190

					Real Estate- Mortgage
December 31, 2016	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Allowance for loan and lease losses:
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$	90	$	-	$	251	$	186	$	-	$	527
Collectively evaluated for impairment		358		172		2,567		2,949		25		6,071
Total ending allowance balance	$	448	$	172	$	2,818	$	3,135	$	25	$	6,598

The Company’s loan portfolio is segmented to a level that allows management to monitor risk and performance. The portfolio is segmented into Commercial and Industrial (“C&I”), Real Estate Construction, Real Estate - Mortgage which is further segmented into Residential and Commercial real estate, and Consumer Installment Loans. The C&I loan segment consists of loans made for the purpose of financing the activities of commercial customers. The residential mortgage loan segment consists of loans made for the purpose of financing the activities of residential homeowners. The commercial mortgage loan segment consists of loans made for the purpose of financing the activities of commercial real estate owners and operators. The consumer loan segment consists primarily of installment loans and overdraft lines of credit connected with customer deposit accounts.

Management evaluates individual loans in all of the commercial segments for possible impairment based on guidance established by the Board of Directors. Loans are considered to be impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in evaluating impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed. The Company does not separately evaluate individual consumer and residential mortgage loans for impairment, unless such loans are part of a larger relationship that is impaired, or the loan was modified in a troubled debt restructuring.

20

Once the determination has been made that a loan is impaired, the determination of whether a specific allocation of the allowance is necessary is measured by comparing the recorded investment in the loan to the fair value of the loan using one of three methods: (a) the present value of expected future cash flows discounted at the loan’s effective interest rate; (b) the loan’s observable market price; or (c) the fair value of the collateral less selling costs. The method is selected on a loan-by-loan basis, with management primarily utilizing the fair value of collateral method. The evaluation of the need and amount of a specific allocation of the allowance and whether a loan can be removed from impairment status is made on a quarterly basis. The Company’s policy for recognizing interest income on impaired loans does not differ from its overall policy for interest recognition.

The following tables present impaired loans by class, segregated by those for which a specific allowance was required and those for which a specific allowance was not necessary (in thousands):

December 31, 2017
Impaired Loans
			Unpaid
	Recorded		Principal		Related
	Investment		Balance		Allowance
With no related allowance recorded:
Commercial and industrial	$	450	$	1,006	$	-
Real estate - construction		44		44		-
Real estate - mortgage:
Residential		1,685		1,904		-
Commercial		1,870		1,984		-
Consumer installment		4		4		-
Total	$	4,053	$	4,942	$	-
With an allowance recorded:
Commercial and industrial	$	3,177	$	3,888	$	694
Real estate - mortgage:
Residential		1,139		1,179		140
Commercial		3,740		3,913		733
Total	$	8,056	$	8,980	$	1,567
Total:
Commercial and industrial	$	3,627	$	4,894	$	694
Real estate - construction		44		44		-
Real estate - mortgage:
Residential		2,824		3,083		140
Commercial		5,610		5,897		733
Consumer installment		4		4		-
Total	$	12,109	$	13,922	$	1,567

21

December 31, 2016
Impaired Loans
			Unpaid
	Recorded		Principal		Related
	Investment		Balance		Allowance
With no related allowance recorded:
Commercial and industrial	$	319	$	318	$	-
Real estate - construction		913		909		-
Real estate - mortgage:
Residential		2,142		2,140		-
Commercial		2,031		2,027		-
Total	$	5,405	$	5,394	$	-
With an allowance recorded:
Commercial and industrial	$	871	$	868	$	90
Real estate - mortgage:
Residential		993		991		251
Commercial		5,156		5,147		186
Consumer installment		5		5		-
Total	$	7,025	$	7,011	$	527
Total:
Commercial and industrial	$	1,190	$	1,186	$	90
Real estate - construction		913		909		-
Real estate - mortgage:
Residential		3,135		3,131		251
Commercial		7,187		7,174		186
Consumer installment		5		5		-
Total	$	12,430	$	12,405	$	527

The tables above include troubled debt restructuring totaling $5.4 million and $6.7 million as of December 31, 2017 and 2016, respectively.

The following table presents interest income by class, recognized on impaired loans (in thousands):

	As of December 31, 2017				As of December 31, 2016				As of December 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Commercial and industrial	$	2,378	$	178	$	1,211	$	32	$	1,468	$	100
Real estate - construction		565		1		1,281		10		2,407		115
Real estate - mortgage:
Residential		3,068		89		3,529		98		4,356		160
Commercial		6,820		446		7,384		368		5,203		350
Consumer installment		5		1		6		1		6		-
Total	$	12,836	$	715	$	13,411	$	509	$	13,440	$	725

22

Troubled Debt Restructuring (TDR) describes loans on which the bank has granted concessions for reasons related to the customer’s financial difficulties. Such concessions may include one or more of the following:

● reduction in the interest rate to below market rates

● extension of repayment requirements beyond normal terms

● reduction of the principal amount owed

● reduction of accrued interest due

● acceptance of other assets in full or partial payment of a debt

In each case the concession is made due to deterioration in the borrower’s financial condition, and the new terms are less stringent than those required on a new loan with similar risk. The total impact on the ALLL for 2017 and 2016 related to TDRs was $509,000 and $436,000, respectively.

The following tables present the number of loan modifications by class, the corresponding recorded investment, and the subsequently defaulted modifications (in thousands):

	December 31, 2017
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		4		-		4	$	127	$	127
Residential real estate		5		-		5		256		256

	December 31, 2016
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		5		-		5	$	610	$	610
Residential real estate		4		-		4		166		166
Commercial real estate		1		-		1		311		311

	December 31, 2015
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		6		-		6	$	434	$	434
Real estate construction		1		-		1		181		181
Residential real estate		5		1		6		515		535
Commercial real estate		1		-		1		270		270

	December 31, 2016
	Number of		Recorded
Troubled Debt Restructurings subsequently defaulted	Contracts		Investment
Commercial and industrial		2	$	7
Real estate construction		1		-
Residential real estate		4		278
Commercial real estate		1		119

	December 31, 2015
	Number of		Recorded
Troubled Debt Restructurings subsequently defaulted	Contracts		Investment
Commercial and industrial		2	$	14
Real estate construction		1		130

There were no subsequent defaults of troubled debt restructurings for the year ended December 31, 2017.

23

Management uses a nine-point internal risk-rating system to monitor the credit quality of the overall loan portfolio. The first five categories are considered not criticized and are aggregated as Pass rated. The criticized rating categories utilized by management generally follow bank regulatory definitions. The Special Mention category includes assets that are currently protected but are potentially weak, resulting in an undue and unwarranted credit risk, but not to the point of justifying a Substandard classification.  Loans in the Substandard category have well-defined weaknesses that jeopardize the liquidation of the debt and have a distinct possibility that some loss will be sustained if the weaknesses are not corrected.  All loans greater than 90 days past due are considered Substandard.   Any portion of a loan that has been charged off is placed in the Loss category.

To help ensure that risk ratings are accurate and reflect the present and future capacity of borrowers to repay a loan as agreed, the Company has a structured loan-rating process with several layers of internal and external oversight.  Generally, consumer and residential mortgage loans are included in the Pass categories unless a specific action, such as bankruptcy, repossession, or death, occurs to raise awareness of a possible credit event.  The Company’s Commercial Loan Officers are responsible for the timely and accurate risk rating of the loans in their portfolios at origination and on an ongoing basis with the Chief Credit Officer ultimately responsible for accurate and timely risk ratings.  The Credit Department performs an annual review of all commercial relationships $1.0 million or greater.  Confirmation of the appropriate risk grade is included in the review on an ongoing basis.   The Company engages an external consultant to conduct loan reviews on a semiannual basis. Generally, the external consultant reviews commercial relationships greater than $250,000 and/or criticized relationships greater than $125,000. Detailed reviews, including plans for resolution, are performed on loans classified as Substandard on a quarterly basis.  Loans in the Special Mention and Substandard categories that are collectively evaluated for impairment are given separate consideration in the determination of the allowance.

The following tables present the classes of the loan portfolio summarized by the aggregate Pass rating and the criticized categories of Special Mention, Substandard, and Doubtful within the internal risk rating system (in thousands):

	December 31, 2017
			Special						Total
	Pass		Mention		Substandard		Doubtful		Loans
Commercial and industrial	$	95,621	$	1,942	$	3,783	$	-	$	101,346
Real estate - construction		46,995		-		22		-		47,017
Real estate - mortgage:
Residential		312,176		723		5,258		-		318,157
Commercial		424,225		9,164		4,558		-		437,947
Consumer installment		18,742		-		4		-		18,746
Total	$	897,759	$	11,829	$	13,625	$	-	$	923,213

	December 31, 2016
			Special						Total
	Pass		Mention		Substandard		Doubtful		Loans
Commercial and industrial	$	58,539	$	663	$	1,428	$	-	$	60,630
Real estate - construction		23,541		144		24		-		23,709
Real estate - mortgage:
Residential		264,481		428		5,921		-		270,830
Commercial		240,678		4,422		4,390		-		249,490
Consumer installment		4,467		-		14		-		4,481
Total	$	591,706	$	5,657	$	11,777	$	-	$	609,140

24

Management further monitors the performance and credit quality of the loan portfolio by analyzing the age of the portfolio as determined by the length of time a recorded payment is past due. The following tables present the classes of the loan portfolio summarized by the aging categories of loans and nonaccrual loans (in thousands):

	December 31, 2017
			30-59 Days		60-89 Days		90 Days+		Total		Total
	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and industrial	$	99,633	$	1,607	$	29	$	77	$	1,713	$	101,346
Real estate - construction		47,017		-		-		-		-		47,017
Real estate - mortgage:
Residential		314,866		1,977		227		1,087		3,291		318,157
Commercial		434,879		1,907		1		1,160		3,068		437,947
Consumer installment		18,736		10		-		-		10		18,746
Total	$	915,131	$	5,501	$	257	$	2,324	$	8,082	$	923,213

	December 31, 2016
			30-59 Days		60-89 Days		90 Days+		Total		Total
	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and industrial	$	60,407	$	17	$	2	$	204	$	223	$	60,630
Real estate - construction		23,709		-		-		-		-		23,709
Real estate - mortgage:
Residential		268,041		1,909		207		673		2,789		270,830
Commercial		249,081		92		-		317		409		249,490
Consumer installment		4,465		-		10		6		16		4,481
Total	$	605,703	$	2,018	$	219	$	1,200	$	3,437	$	609,140

The following tables present the classes of the loan portfolio summarized by nonaccrual loans and loans 90 days or more past due and still accruing (in thousands):

	December 31, 2017
			90+ Days Past
	Nonaccrual			Due and Accruing
Commercial and industrial	$	1,120	$	-
Real estate - construction		-		-
Real estate - mortgage:
Residential		4,002		-
Commercial		3,311		-
Consumer installment		-		-
Total	$	8,433	$	-

	December 31, 2016
			90+ Days Past
	Nonaccrual		Due and Accruing
Commercial and industrial	$	454	$	-
Real estate - construction		-		-
Real estate - mortgage:
Residential		4,034		-
Commercial		1,409		-
Consumer installment		6		-
Total	$	5,903	$	-

Interest income that would have been recorded had these loans not been placed on nonaccrual status was $437,000 in 2017, $309,000 in 2016, and $259,000 in 2015.

25

An allowance for loan and lease losses (“ALLL”) is maintained to absorb losses from the loan portfolio.  The ALLL is based on management’s continuing evaluation of the risk characteristics and credit quality of the loan portfolio, assessment of current economic conditions, diversification and size of the portfolio, adequacy of collateral, past and anticipated loss experience, and the amount of nonperforming loans.

The Company’s methodology for determining the ALLL is based on the requirements of ASC Section 310-10-35 for loans individually evaluated for impairment (discussed above) and ASC Subtopic 450-20 for loans collectively evaluated for impairment, as well as the Interagency Policy Statement on the Allowance for Loan and Lease Losses and other bank regulatory guidance.   The total of the two components represents the Company’s ALLL. Management also performs impairment analysis on TDRs, which may result in specific reserves.

Loans that are collectively evaluated for impairment are analyzed, with general allowances being made as appropriate.  For general allowances, historical loss trends are used in the estimation of losses in the current portfolio.  These historical loss amounts are modified by other qualitative factors.

The classes described above, which are based on the purpose code assigned to each loan, provide the starting point for the ALLL analysis.  Management tracks the historical net charge-off activity at the purpose code level.  A historical charge-off factor is calculated utilizing the last twelve consecutive historical quarters.

Management has identified a number of additional qualitative factors which it uses to supplement the historical charge-off factor, because these factors are likely to cause estimated credit losses associated with the existing loan pools to differ from historical loss experience.  The additional factors that are evaluated quarterly and updated using information obtained from internal, regulatory, and governmental sources are: national and local economic trends and conditions; levels of and trends in delinquency rates and nonaccrual loans; trends in volumes and terms of loans; effects of changes in lending policies; experience, ability, and depth of lending staff; value of underlying collateral; and concentrations of credit from a loan type, industry, and/or geographic standpoint.

Management reviews the loan portfolio on a quarterly basis using a defined, consistently applied process in order to make appropriate and timely adjustments to the ALLL.  When information confirms all or part of specific loans to be uncollectible, these amounts are promptly charged off against the ALLL.

The following tables summarize the primary segments of the loan portfolio (in thousands):

	Commercial and industrial			Real estate- construction		Real estate- residential mortgage			Real estate- commercial mortgage			Consumer installment			Total
ALLL balance at December 31, 2016	$	448		$	172	$	2,818		$	3,135		$	25		$	6,598
Charge-offs		(536	)		-		(117	)		(39	)		(462	)		(1,154	)
Recoveries		234			34		241			111			81			701
Provision		853			107		(1,182	)		829			438			1,045
ALLL balance at December 31, 2017	$	999		$	313	$	1,760		$	4,036		$	82		$	7,190

	Commercial and industrial			Real estate- construction			Real estate- residential mortgage			Real estate- commercial mortgage			Consumer installment			Total
ALLL balance at December 31, 2015	$	867		$	276		$	3,139		$	2,078		$	25		$	6,385
Charge-offs		(237	)		-			(414	)		(70	)		(22	)		(743	)
Recoveries		90			-			141			140			15			386
Provision		(272	)		(104	)		(48	)		987			7			570
ALLL balance at December 31, 2016	$	448		$	172		$	2,818		$	3,135		$	25		$	6,598

The negative provision allocated to residential real estate loans in the amount of $1.2 million for the year ended December 31, 2017 is due to the payoff of a large residential credit during that period. The decline in the reserve allocated for residential real estate is due to a decrease in historic losses during 2017 and consistent decreases in the ratio of nonperforming loans to total loans in this segment over the past few years resulting in a decrease in the reserves required. The increase in the ALLL balance for commercial real estate and commercial and industrial loans is primarily due to increases in specific reserves for impaired loans along with growth in these segments.

26

5. OTHER REAL ESTATE OWNED (“OREO”)

OREO comprises foreclosed assets acquired in settlement of loans and is carried at fair value less estimated cost to sell and is included in other real estate owned on the Consolidated Balance Sheet. As of December 31, 2017 and December 31, 2016, there were $212,000 and $934,000, respectively, of OREO. The recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process according to local requirements of the applicable jurisdiction totaled $1.5 million at December 31, 2017.

6. PREMISES AND EQUIPMENT

Major classifications of premises and equipment at December 31:

(Dollar amounts in thousands)	2017		2016
Land and land improvements	$	2,920	$	2,891
Building and leasehold improvements		14,277		12,081
Furniture, fixtures, and equipment		7,010		5,404
Total premises and equipment		24,207		20,376
Less accumulated depreciation and amortization		12,354		9,173
Total premises and equipment, net	$	11,853	$	11,203

Depreciation expense charged to operations was $876,000 in 2017, $735,000 in 2016, and $715,000 in 2015.

7. GOODWILL AND INTANGIBLE ASSETS

Goodwill totaled $15.1 million and $4.6 million at the years ended December 31, 2017, and 2016. Core deposit intangible carrying amount was $2.7 million and $36,000 for the years ended December 31, 2017, and 2016, respectively. Core deposit accumulated amortization was $692,000 and $318,000 for the years ended December 31, 2017, and 2016.

Core deposit intangible assets are amortized to their estimated residual values over their expected useful lives, commonly of ten years. Amortization expense totaled $374,000, $40,000, and $40,000 in 2017, 2016, and 2015, respectively. The estimated aggregate future amortization expense for core deposit intangible assets as of December 31, 2017 is as follows:

2018	$	352
2019		341
2020		332
2021		321
2022		309
Thereafter		1,094
Total	$	2,749

8. OTHER ASSETS

The components of other assets at the years ended December 31:

(Dollar amounts in thousands)	2017		2016
Restricted stock	$	3,589	$	2,204
Accrued interest receivable on investment securities		707		812
Accrued interest receivable on loans		2,581		1,614
Deferred tax asset, net		647		1,607
Other		1,620		1,265
Total	$	9,144	$	7,502

27

9. DEPOSITS

Time deposits at December 31, 2017, mature $99.3 million, $21.5 million, $51.8 million, $41.0 million, and $29.4 million during 2018, 2019, 2020, 2021, and 2022, respectively.

The aggregate of all time deposit accounts of $250,000 or more amounted to $39.4 million and $27.8 million at December 31, 2017 and 2016, respectively.

10. SHORT-TERM BORROWINGS

For the year ended December 31, outstanding balances and related information of short-term borrowings, which includes securities sold under agreements to repurchase and short-term borrowings from other banks, are summarized as follows:

(Dollar amounts in thousands)	2017			2016
Balance at year-end	$	74,707		$	68,359
Average balance outstanding		63,910			37,130
Maximum month-end balance		114,025			68,359
Weighted-average rate at year-end		1.36	%		0.61	%
Weighted-average rate during the year		1.18	%		0.89	%

Average balances outstanding during the year represent daily average balances, and average interest rates represent interest expense divided by the related average balance.

The Company maintains a $6.0 million line of credit at an adjustable rate, currently 4.75%, a $10.0 million line of credit at an adjustable rate, currently at 4.69%, and a $4.0 million line of credit at an adjustable rate, currently 4.74%. At December 31, 2017, 2016, and 2015, outstanding borrowings under these lines were $0, $0, and $9.5 million, respectively.

The following table provides additional detail regarding collateral pledged to secure the Company’s repurchase agreements:

	Repurchase Agreements (Sweep) Accounted
	for as Secured Borrowings
(Dollar amounts in thousands)	Overnight and Continuous
	December 31, 2017		December 31, 2016
Repurchase agreements secured by:
Mortgage-backed securities in government sponsored entities	$	2,040	$	2,667
Tax-exempt obligations of states and political subdivisions		495		968
Gross amount of pledged collateral		2,535		3,635
Gross amount of recognized liabilities	$	1,989	$	2,129

11. OTHER BORROWINGS

Other borrowings consist of advances from the FHLB and subordinated debt as follows:

				Weighted-			Stated interest
(Dollar amounts in thousands)	Maturity range			average			rate range
Description	from		to	interest rate			from			to			2017		2016
Fixed-rate amortizing	02/01/18	10/01/28			1.24	%		1.01	%	4.47	%	$	20,817	$	1,189
Junior subordinated debt	12/21/37	12/21/37			2.85	%		2.56	%	3.05	%		8,248		8,248
Total												$	29,065	$	9,437

28

The scheduled maturities of other borrowings are as follows:

(Dollar amounts in thousands)
			Weighted-
Year Ending December 31,	Amount		Average Rate
2018	$	20,252		1.16	%
2019		155		4.04	%
2020		116		4.04	%
2021		87		4.04	%
2022		65		4.04	%
Beyond 2022		8,390		2.79	%
Total	$	29,065		2.86	%

Fixed-rate amortizing advances from the FHLB require monthly principal and interest payments and an annual 20 percent pay-down of outstanding principal. Monthly principal and interest payments are adjusted after each 20 percent pay-down. Under the terms of a blanket agreement, FHLB borrowings are secured by certain qualifying assets of the Company which consist principally of first mortgage loans or mortgage-backed securities. Under this credit arrangement, the Company has a remaining borrowing capacity of approximately $192.2 million at December 31, 2017.

The Company formed a special purpose entity (“Entity”) to issue $8.0 million of floating rate, obligated mandatorily redeemable securities, and $248,000 in common securities as part of a pooled offering. The rate adjusts quarterly, equal to LIBOR plus 1.67%. The Entity may redeem them, in whole or in part, at face value. The Company borrowed the proceeds of the issuance from the Entity in December 2006 in the form of an $8.3 million note payable, which is included in the other borrowings on the Company’s Consolidated Balance Sheet.

12. OTHER LIABILITIES

The components of other liabilities are as follows at December 31:

	2017		2016
(Dollar amounts in thousands)
Accrued interest payable	$	578	$	395
Supplemental Executive Retirement Plan		1,427		1,125
Accrued salary expense		956		768
Other		1,546		843
Total	$	4,507	$	3,131

13. INCOME TAXES

The provision for federal income taxes for the years ended December 31, consists of:

(Dollar amounts in thousands)	2017		2016			2015
Current payable	$	3,929	$	1,998		$	1,004
Deferred		293		(93	)		558
Total provision	$	4,222	$	1,905		$	1,562

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The tax effects of deductible and taxable temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows at December 31,:

(Dollar amounts in thousands)	2017		2016
Deferred tax assets:
Allowance for loan and lease losses	$	1,210	$	2,243
Supplemental retirement plan		528		382
Investment security basis adjustment		18		66
Nonaccrual interest income		371		456
OREO adjustments		2		26
Accrued compensation		201		261
Other		86		82
Gross deferred tax assets		2,416		3,516
Deferred tax liabilities:
Premises and equipment		356		445
Net unrealized gain on securities		347		618
FHLB stock dividends		139		225
Intangibles		307		449
Mortgage servicing rights		71		103
Deferred origination fees, net		294		63
Acquisition fair value adjustments		250		1
Other		5		5
Gross deferred tax liabilities		1,769		1,909
Net deferred tax assets	$	647	$	1,607

No valuation allowance was established at December 31, 2017 and 2016, in view of the Company’s ability to carry back to taxes paid in previous years and certain tax strategies, coupled with the anticipated future taxable income as evidenced by the Company's earnings potential.

The reconciliation between the federal statutory rate and the Company’s effective consolidated income tax rate for the years ended December 31, is as follows:

(Dollar amounts in thousands)	2017						2016						2015
				% of						% of						% of
				Pretax						Pretax						Pretax
	Amount			Income			Amount			Income			Amount			Income
Provision at statutory rate	$	4,651			34.0	%	$	2,829			34.0	%	$	2,866			34.0	%
Tax-exempt income		(1,045	)		(7.6	)%		(1,177	)		(14.1	)%		(1,347	)		(15.9	)%
Nondeductible interest expense		32			0.2	%		32			0.4	%		34			0.4	%
Nondeductible merger-related expense		43			0.3	%		186			2.2	%		-			-	%
Stock-based compensation		(50	)		(0.4	)%		-			-	%		-			-	%
Change in effective corporate tax rate		401			2.9	%		-			-	%		-			-	%
Other		190			1.5	%		35			0.4	%		9			-	%
Actual tax expense and effective rate	$	4,222			30.9	%	$	1,905			22.9	%	$	1,562			18.5	%

ASC 740‐10 prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Benefits from tax positions should be recognized in the financial statements only when it is more likely than not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more‐likely‐than‐not recognition threshold is measured at the largest amount of benefit that is greater than 50 percent likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more‐likely‐than‐not recognition threshold should be recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more‐likely‐than‐not recognition threshold should be derecognized in the first subsequent financial reporting period in which that threshold is no longer met.

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On December 22, 2017, H.R.1, commonly known as the Tax Cuts and Jobs Act (the “Act”), was signed into law. The Act includes many provisions that will affect our income tax expense, including reducing our federal tax rate from 34% to 21% effective January 1, 2018. As a result of the rate reduction, we are required to re-measure, through income tax expense in the period of enactment, our deferred tax assets and liabilities using the enacted rate at which we expect them to be recovered or settled. The re-measurement of our net deferred tax asset resulted in additional 2017 income tax expense of $401,000.

Also on December 22, 2017, the U.S. Securities and Exchange Commission (“SEC”) released Staff Accounting Bulletin No. 118 (“SAB 118”) to address any uncertainty or diversity of views in practice in accounting for the income tax effects of the Act in situations where a registrant does not have the necessary information available, prepared, or analyzed in reasonable detail to complete this accounting in the reporting period that includes the enactment date. SAB 118 allows for a measurement period not to extend beyond one year from the Act’s enactment date to complete the necessary accounting.

We recorded provisional amounts of deferred income taxes using reasonable estimates in one area where information necessary to complete the accounting was not available, prepared, or analyzed. Our deferred tax liability for temporary differences between the tax and financial reporting bases of fixed assets principally due to the accelerated depreciation under the Act which allows for full expensing of qualified property purchased and placed in service after September 27, 2017. We will complete and record the income tax effects of this provisional item during the period the necessary information becomes available. This measurement period will not extend beyond December 22, 2018.

At December 31, 2017 and December 31, 2016, the Company had no ASC 740-10 unrecognized tax benefits. The Company does not expect the total amount of unrecognized tax benefits to significantly increase within the next 12 months. The Company recognizes interest and penalties on unrecognized tax benefits as a component of income tax expense.

The Company and the Bank are subject to U.S. federal income tax as well as an income tax in the state of Ohio, and the Bank is subject to a capital‐based franchise tax in the state of Ohio. The Company and the Bank are no longer subject to examination by taxing authorities for years before December 31, 2014.

14. EMPLOYEE BENEFITS

Retirement Plan

The Bank maintains section 401(k) employee savings and investment plans for all full-time employees and officers of the Bank who are at least 21 years of age. The Bank’s contributions to the plans are discretionary, and were based on 50% matching of voluntary contributions up to 6% of compensation for the year ended December 31, 2017. Employee contributions are vested at all times, and MBC contributions are fully vested after six years beginning at the second year in 20% increments. Special vesting provisions are in place for legacy Liberty employees with 3 or more years of service. Contributions for 2017, 2016, and 2015 to these plans amounted to $258,000, $156,000, and $156,000, respectively.

Supplemental Retirement Plan

Until 2001, MBC maintained a Directors’ Retirement Plan to provide postretirement payments over a ten-year period to members of the Board of Directors who had completed five or more years of service. The plan required payment of 25% of the final average annual board fees paid to a director in the three years preceding the director’s retirement.

The following table illustrates the components of the projected payments for the Directors’ Retirement Plan for the years ended:

	Projected Payments
2018	$	18,000
2019		12,000
2020		10,000
2021		2,000
Total	$	42,000

The retirement plan is available solely for nonemployee directors of MBC, but MBC has not entered into any additional retirement arrangements for nonemployee directors since 2001. All director participants have retired.

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Executive Deferred Compensation Plan

The Company maintains an Executive Deferred Compensation Plan (the “Plan”) to provide post-retirement payments to members of senior management. The Plan agreements are noncontributory, defined contribution arrangements that provide supplemental retirement income benefits to several officers, with contributions made solely by the Bank. During 2017, 2016, and 2015, the Company contributed $110,000, $99,000, and $65,000, respectively, to the Plan.

Stock Option and Restricted Stock Plan

In 2007, the Company adopted the 2007 Omnibus Equity Plan (the “2007 Plan”) for granting incentive stock options, nonqualified stock options, and restricted stock to key officers and employees and nonemployee directors of the Company. A total of 160,000 shares of authorized and unissued or issued common stock were reserved for issuance under the 2007 Plan, which expires ten years from the date of board approval of the plan. Although the 2007 Plan expired in 2017, there remain outstanding 92,759 shares in equity awards granted under the 2007 Plan. The per share exercise price of an option granted will not be less than the fair value of a share of common stock on the date the option is granted.

In 2017, the Company adopted the 2017 Omnibus Equity Plan (the “2017 Plan”) for granting incentive stock options, nonqualified stock options, restricted stock and other equity awards to key officers and employees and nonemployee directors of the Company. The Company’s stockholders approved the 2017 Plan at the annual meeting of the stockholders held on May 10, 2017. A total of 224,000 shares of authorized and unissued or issued common stock are reserved for issuance under the 2017 Plan, which expires ten years from the date of board approval of the plan. The per share exercise price of an option granted will not be less than the fair value of a share of common stock on the date the option is granted. Remaining available shares that can be issued under the Plan were 218,175 at December 31, 2017.

The following table presents share data related to the outstanding options:

	2017			Weighted Average Exercise Price Per Share
Outstanding, January 1		29,324		$	23.67
Expired		(1,337	)		37.48
Exercised		(8,237	)		27.97
Outstanding, December 31		19,750		$	20.94
Exercisable, December 31		19,750		$	20.94

The total intrinsic value of outstanding in-the-money exercisable stock options was $538,000 at December 31, 2017.

The following table summarizes the characteristics of stock options at December 31, 2017:

			Outstanding						Exercisable
Grant Date	Exercise Price Per Share		Shares		Contractual Average Life		Average Exercise Price Per Share		Shares		Average Exercise Price Per Share
November 10, 2008	$	23.00		12,300		0.85	$	23.00		12,300	$	23.00
May 9, 2011	$	17.55		7,450		3.35	$	17.55		7,450	$	17.55
				19,750						19,750

No options were granted for the years ended December 31, 2017 and 2016. The Company recognizes compensation expense in the amount of fair value of the common stock at the grant date and as an addition to stockholders’ equity.

For each of the years ended December 31, 2017, 2016, and 2015, the Company recorded no compensation cost related to vested stock options. As of December 31, 2017, there was no unrecognized compensation cost related to unvested stock options.

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For the years ended December 31, 2017 and 2016, 8,237 and 500 options were exercised resulting in net proceeds to the participant of $95,000 and $6,000, respectively.

During 2017, 2016, and 2015, the Compensation Committee of the Board of Directors of the Company granted awards of an aggregate of 5,825, 5,090, and 3,905, respectively, restricted stock units (“RSUs”) to certain employees of the Bank. The expense recognized as a result of these awards was $196,000, $123,000, and $55,000 for the years ended 2017, 2016, and 2015, respectively. The number of RSUs earned or settled will depend on certain conditions and are also subject to service period-based vesting. The award recipient must maintain service with Middlefield Banc Corp. and affiliates until the third anniversary of the award to satisfy the service condition. The performance condition will be satisfied if the average total shareholder annual return on Middlefield Banc Corp. stock for the three subsequent years is at least 8.00%.

The following table presents the activity during 2017 related to awards of RSUs:

	Units			Weighted Average Grant Date Fair Value Per Share
Nonvested at January 1, 2017		8,995		$	32.93
Granted		5,825		$	38.70
Forfeited		(219	)	$	38.70
Nonvested at December 31, 2017		14,601		$	35.14
Expected to vest at December 31, 2017		14,601		$	35.14

15. COMMITMENTS

In the normal course of business, there are various outstanding commitments and certain contingent liabilities which are not reflected in the accompanying consolidated financial statements. These commitments and contingent liabilities represent financial instruments with off-balance sheet risk. The contract or notional amounts of those instruments reflect the extent of involvement in particular types of financial instruments which were composed of the following at December 31:

(Dollar amounts in thousands)	2017		2016
Commitments to extend credit	$	234,023	$	161,646
Standby letters of credit		1,015		1,416
Total	$	235,038	$	163,062

These instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Balance Sheet. The Company’s exposure to credit loss, in the event of nonperformance by the other parties to the financial instruments, is represented by the contractual amounts as disclosed. The Company minimizes its exposure to credit loss under these commitments by subjecting them to credit approval and review procedures and collateral requirements as deemed necessary. Commitments generally have fixed expiration dates within one year of their origination.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. Performance letters of credit represent conditional commitments issued by the Company to guarantee the performance of a customer to a third party. These instruments are issued primarily to support bid or performance-related contracts. The coverage period for these instruments is typically a one-year period with an annual renewal option subject to prior approval by management. Fees earned from the issuance of these letters are recognized over the coverage period. For secured letters of credit, the collateral is typically bank deposit instruments or customer business assets.

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Leasing Arrangements

The Company leases certain of its banking facilities under operating leases which contain certain renewal options. As of December 31, 2017, approximate future minimum rental payments, including the renewal options under these leases, are as follows (in thousands):

2018	$	655
2019		639
2020		641
2021		598
2022		365
Thereafter		920
Total	$	3,818

The above amounts represent minimum rentals not adjusted for possible future increases due to escalation provisions and assume that all renewal option periods will be exercised by the Company. Rent expense approximated $641,000, $285,000, and $288,000 for the years ended December 31, 2017, 2016, and 2015, respectively.

16. REGULATORY RESTRICTIONS

The Company is subject to the regulatory requirements of the Federal Reserve System as a bank holding company. The bank is subject to regulations of the Federal Deposit Insurance Corporation (“FDIC”) and the State of Ohio, Division of Financial Institutions.

Cash Requirements

The Federal Reserve Bank of Cleveland requires the Company to maintain certain average reserve balances. As of December 31, 2017 and 2016, the Bank had required reserves of $15.8 million and $2.9 million comprising vault cash and a depository amount held with the Federal Reserve Bank.

Loans

Federal law prevents the Company from borrowing from the Bank unless the loans are secured by specific obligations. Further, such secured loans are limited in amount of 10% of the Bank’s common stock and capital surplus.

Dividends

MBC is subject to dividend restrictions that generally limit the amount of dividends that can be paid by an Ohio state-chartered bank. Under the Ohio Banking Code, cash dividends may not exceed net profits as defined for that year combined with retained net profits for the two preceding years less any required transfers to surplus. Under this formula the amount available for payment of dividends for 2017 approximates $5.1 million plus 2018 profits retained up to the date of the dividend declaration. As a condition to the ODFI’s approval of the merger of Liberty into MBC, until the second anniversary of the merger, that is until January 12, 2019, MBC is required to obtain the ODFI’s advance approval for dividend payments to the Company.

17. REGULATORY CAPITAL

The Bank and Company are subject to regulatory capital requirements administered by banking agencies. Capital adequacy guidelines and prompt corrective-action regulations involve quantitative measures of assets, liabilities, and certain off-balance-sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators about components, risk weightings, and other factors and the regulators can lower classifications in certain cases. Failure to meet various capital requirements can initiate regulatory action that could have a direct material effect on the financial statements. As of December 31, 2017, the Bank and Company have met all capital adequacy requirements to which they are subject.

The prompt corrective action regulations provide five classifications, including well capitalized, adequately capitalized, under-capitalized, significantly undercapitalized, and critically undercapitalized, although these terms are not used to represent overall financial condition. If an institution is adequately capitalized, regulatory approval is required before the institution may accept brokered deposits. If an institution is undercapitalized, capital distributions are limited, as is asset growth and expansion, and plans for capital restoration are required.

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The Basel III Capital Rules became effective for the Bank on January 1, 2015 and certain provisions are subject to a phase-in period. The implementation of the capital conservation buffer began January 1, 2016 at the 0.625% level and will be phased in over a four -year period (increasing by that amount on each subsequent January 1, until it reaches 2.5% on January 1, 2019). The capital conservation buffer is designed to absorb losses during periods of economic stress. Banking institutions with a ratio of Common Equity Tier 1 capital to risk-weighted assets above the minimum but below the conservation buffer (or below the combined capital conservation buffer and countercyclical capital buffer, when the latter is applied) will face constraints on dividends, equity repurchases and compensation based on the amount of the shortfall.

The following tables present actual and required capital ratios as of December 31, 2017 and 2016, under the Basel III Capital Rules. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules.

	As of December 31, 2017
				Tier 1 Risk			Common			Total Risk
	Leverage			Based			Equity Tier 1			Based
The Middlefield Banking Company		9.47	%		10.88	%		10.88	%		11.64	%
Middlefield Banc Corp.		10.20	%		11.64	%		10.79	%		12.41	%
Adequately capitalized ratio		4.00	%		6.00	%		4.50	%		8.00	%
Adequately capitalized ratio plus fully phased-in capital conservation buffer		4.00	%		8.50	%		7.00	%		10.50	%
Well-capitalized ratio (Bank only)		5.00	%		8.00	%		6.50	%		10.00	%

	As of December 31, 2016
				Tier 1 Risk			Common			Total Risk
	Leverage			Based			Equity Tier 1			Based
The Middlefield Banking Company		9.29	%		13.03	%		13.03	%		14.25	%
Middlefield Banc Corp.		9.27	%		13.07	%		13.07	%		15.75	%
Adequately capitalized ratio		4.00	%		6.00	%		4.50	%		8.00	%
Adequately capitalized ratio plus fully phased-in capital conservation buffer		4.00	%		8.50	%		7.00	%		10.50	%
Well-capitalized ratio (Bank only)		5.00	%		8.00	%		6.50	%		10.00	%

18. FAIR VALUE DISCLOSURE MEASUREMENTS

The following disclosures show the hierarchal disclosure framework associated with the level of pricing observations utilized in measuring assets and liabilities at fair value. The three broad levels defined by U.S. generally accepted accounting principles are as follows:

Level I: Quoted prices are available in active markets for identical assets or liabilities as of the reported date.

Level II: Pricing inputs are other than the quoted prices in active markets, which are either directly or indirectly observable as of the reported date. The nature of these assets and liabilities includes items for which quoted prices are available but traded less frequently and items that are fair-valued using other financial instruments, the parameters of which can be directly observed.

Level III: Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

This hierarchy requires the use of observable market data when available.

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The following tables present the assets measured on a recurring basis on the Consolidated Balance Sheet at their fair value by level within the fair value hierarchy. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

			December 31, 2017
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a recurring basis:
U.S. government agency securities	$	-	$	8,719	$	-	$	8,719
Obligations of states and political subdivisions		-		67,429		-		67,429
Mortgage-backed securities in government- sponsored entities		-		18,510		-		18,510
Total debt securities		-		94,658		-		94,658
Equity securities in financial institutions		-		625		-		625
Total	$	-	$	95,283	$	-	$	95,283

			December 31, 2016
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a recurring basis:
U.S. government agency securities	$	-	$	10,236	$	-	$	10,236
Obligations of states and political subdivisions		-		81,223		-		81,223
Mortgage-backed securities in government- sponsored entities		-		20,069		-		20,069
Private-label mortgage-backed securities		-		1,709		-		1,709
Total debt securities		-		113,237		-		113,237
Equity securities in financial institutions		-		1,139		-		1,139
Total	$	-	$	114,376	$	-	$	114,376

Financial instruments are considered Level III when their values are determined using pricing models, discounted cash flow methodologies or similar techniques and at least one significant model assumption or input is unobservable. In addition to these unobservable inputs, the valuation models for Level III financial instruments typically also rely on a number of inputs that are readily observable either directly or indirectly. Level III financial instruments also include those for which the determination of fair value requires significant management judgment or estimation.

The following tables present the assets measured on a non-recurring basis on the Consolidated Balance Sheet at their fair value by level within the fair value hierarchy. Impaired loans that are collateral dependent are written down to fair value through the establishment of specific reserves. Techniques used to value the collateral that secure the impaired loan include quoted market prices for identical assets classified as Level I inputs and observable inputs, employed by certified appraisers, for similar assets classified as Level II inputs. In cases where valuation techniques included inputs that are unobservable and are based on estimates and assumptions developed by management based on the best information available under each circumstance, the asset valuation is classified as Level III inputs.

			December 31, 2017
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a non-recurring basis:
Impaired loans	$	-	$	-	$	3,072	$	3,072
Other real estate owned		-		-		32		32

			December 31, 2016
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a non-recurring basis:
Impaired loans	$	-	$	-	$	6,498	$	6,498
Other real estate owned		-		-		511		511

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The following tables present additional quantitative information about assets measured at fair value on a non-recurring basis and for which the Company uses Level III inputs to determine fair value:

	Quantitative Information about Level III Fair Value Measurements
(Dollar amounts in thousands)
	Fair Value Estimate		Valuation Techniques	Unobservable Input	Range (Weighted Average)
December 31, 2017
Impaired loans	$	3,072	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	86.1%	(13.8%)
Other real estate owned	$	32	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	10.0%

	Quantitative Information about Level III Fair Value Measurements
(Dollar amounts in thousands)
	Fair Value Estimate		Valuation Techniques	Unobservable Input	Range (Weighted Average)
December 31, 2016
Impaired loans	$	4,928	Discounted cash flow	Discount rate	3.1%	to	7.0%	(5.1%)
	$	1,570	Appraisal of collateral (1)	Appraisal adjustment (2)	0.0%	to	59.7%	(28.2%)
Other real estate owned	$	511	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	10.0%

(1) Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various level III inputs which are not identifiable, less any associated allowance.

(2) Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range and weighted average of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.

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The estimated fair value of the Company’s financial instruments is as follows:

	December 31, 2017
	Carrying								Total
	Value		Level I		Level II		Level III		Fair Value
	(in thousands)
Financial assets:
Cash and cash equivalents	$	39,886	$	39,886	$	-	$	-	$	39,886
Investment securities available for sale		95,283		-		95,283		-		95,283
Loans held for sale		463		-		463		-		463
Net loans		916,023		-		-		913,323		913,323
Bank-owned life insurance		15,652		15,652		-		-		15,652
Federal Home Loan Bank stock		3,589		3,589		-		-		3,589
Accrued interest receivable		3,288		3,288		-		-		3,288
Financial liabilities:
Deposits	$	878,194	$	635,207	$	-	$	242,020	$	877,227
Short-term borrowings		74,707		74,707		-		-		74,707
Other borrowings		29,065		-		-		29,069		29,069
Accrued interest payable		578		578		-		-		578

	December 31, 2016
	Carrying								Total
	Value		Level I		Level II		Level III		Fair Value
	(in thousands)
Financial assets:
Cash and cash equivalents	$	32,495	$	32,495	$	-	$	-	$	32,495
Investment securities available for sale		114,376		-		114,376		-		114,376
Loans held for sale		634		-		634		-		634
Net loans		602,542		-		-		604,447		604,447
Bank-owned life insurance		13,540		13,540		-		-		13,540
Restricted stock		2,204		2,204		-		-		2,204
Accrued interest receivable		2,426		2,426		-		-		2,426
Financial liabilities:
Deposits	$	629,934	$	440,500	$	-	$	189,871	$	630,371
Short-term borrowings		68,359		68,359		-		-		68,359
Other borrowings		9,437		-		-		9,512		9,512
Accrued interest payable		395		395		-		-		395

Financial instruments are defined as cash, evidence of ownership interest in an entity, or a contract which creates an obligation or right to receive or deliver cash or another financial instrument from/to a second entity on potentially favorable or unfavorable terms.

Fair value is defined as the amount at which a financial instrument could be exchanged in a current transaction between willing parties other than in a forced liquidation sale. If a quoted market price is available for a financial instrument, the estimated fair value would be calculated based upon the market price per trading unit of the instrument.

If no readily available market exists, the fair value estimates for financial instruments should be based upon management’s judgment regarding current economic conditions, interest rate risk, expected cash flows, future estimated losses, and other factors as determined through various option pricing formulas or simulation modeling. Since many of these assumptions result from judgments made by management based upon estimates which are inherently uncertain, the resulting estimated fair values may not be indicative of the amount realizable in the sale of a particular financial instrument. In addition, changes in assumptions on which the estimated fair values are based may have a significant impact on the resulting estimated fair values.

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As certain assets such as deferred tax assets and premises and equipment are not considered financial instruments, the estimated fair value of financial instruments would not represent the full value of the Company.

The Company employed simulation modeling in determining the estimated fair value of financial instruments for which quoted market prices were not available based upon the following assumptions.

Cash and Cash Equivalents, Federal Home Loan Bank Stock, Accrued Interest Receivable, Accrued Interest Payable, and Short-Term Borrowings

The fair value is equal to the current carrying value.

Bank-Owned Life Insurance

The fair value is equal to the cash surrender value of the life insurance policies.

Investment Securities Available for Sale

The fair value of investment securities is equal to the available quoted market price.  If no quoted market price is available, fair value is estimated using the quoted market price for similar securities.

Loans Held for Sale

Loans held for sale are carried at lower of cost or fair value. The fair value of loans held for sale is based on secondary market pricing on portfolios with similar characteristics. The changes in fair value of the assets are largely driven by changes in interest rates subsequent to loan funding and changes in the fair value of servicing associated with the mortgage loan held for sale. Within this total are student loans held for sale for which the fair value is based on readily determinable market prices, which is a level I Price.

Net Loans

The fair value is estimated by discounting future cash flows using current market inputs at which loans with similar terms and qualities would be made to borrowers of similar credit quality. Where quoted market prices were available, primarily for certain residential mortgage loans, such market rates were utilized as estimates for fair value.

Deposits and Other Borrowed Funds

The fair values of certificates of deposit and other borrowings are based on the discounted value of contractual cash flows. The discount rates are estimated using rates currently offered for similar instruments with similar remaining maturities. Demand, savings, and money market deposits are valued at the amount payable on demand as of year end.

Commitments to Extend Credit

These financial instruments are generally not subject to sale, and estimated fair values are not readily available. The carrying value, represented by the net deferred fee arising from the unrecognized commitment or letter of credit, and the fair value, determined by discounting the remaining contractual fee over the term of the commitment using fees currently charged to enter into similar agreements with similar credit risk, are not considered material for disclosure. The contractual amounts of unfunded commitments and letters of credit are presented in Note 15.

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19. ACCUMULATED OTHER COMPREHENSIVE INCOME

The following table presents the changes in accumulated other comprehensive income by component net of tax:

	Unrealized gains on
	available-for-sale
(Dollars in thousands)	securities (a)
Balance as of December 31, 2014	$	2,548
Other comprehensive income before reclassification		60
Amount reclassified from accumulated other comprehensive income		(213	)
Period change		(153	)
Balance at December 31, 2015	$	2,395
Balance as of December 31, 2015	$	2,395
Other comprehensive (loss) before reclassification		(994	)
Amount reclassified from accumulated other comprehensive income		(200	)
Period change		(1,194	)
Balance at December 31, 2016	$	1,201
Balance as of December 31, 2016	$	1,201
Other comprehensive income before reclassification		475
Amount reclassified from accumulated other comprehensive income		(585	)
Period change		(110	)
Balance at December 31, 2017	$	1,091

(a) All amounts are net of tax. Amounts in parentheses indicate debits to accumulated other comprehensive income.

The following tables present significant amounts reclassified out of each component of accumulated other comprehensive income:

	Amount Reclassified
	from Accumulated Other			Affected Line Item in
	Comprehensive Income			the Statement Where
(Dollars in thousands)	(a)			Net Income is
Details about other comprehensive income	December 31, 2017			Presented
Unrealized gains on available-for-sale securities
	$	886		Investment securities gains, net
		(301	)	Income taxes
	$	585

				Affected Line Item in
				the Statement Where
(Dollars in thousands)				Net Income is
Details about other comprehensive income	December 31, 2016			Presented
Unrealized gains on available-for-sale securities
	$	303		Investment securities gains, net
		(103	)	Income taxes
	$	200

40

				Affected Line Item in
				the Statement Where
(Dollars in thousands)				Net Income is
Details about other comprehensive income	December 31, 2015			Presented
Unrealized gains on available-for-sale securities
	$	323		Investment securities gains, net
		(110	)	Income taxes
	$	213

(a) Amounts in parentheses indicate expenses and other amounts indicate income.

20. BUSINESS ACQUISITION

In the second quarter of 2016, the Company announced the signing of a definitive merger agreement to acquire 100% of the outstanding equity interest of Liberty for cash and stock. Liberty was an Ohio bank that conducted its business from a main office in Beachwood, Ohio with branches in Twinsburg and Solon, Ohio.

The transaction closed on January 12, 2017, with Liberty having been merged into Middlefield Bank, with Middlefield Bank as the surviving entity. The acquisition established the Company’s presence in Cuyahoga and Summit Counties.

Under the terms of the merger agreement, the Company acquired all of the outstanding shares of Liberty for a total purchase price of $42.2 million.  As a result of the acquisition, the Company issued 544,610 common shares and $21.2 million in cash to the former shareholders of Liberty. The shares were issued with a value of $38.55 per share, which was the closing price of the Company’s stock on January 12, 2017. Prior to the acquisition the Company had a previously held equity interest in Liberty which was re-measured at fair value on the acquisition date and resulted in a gain of $488,000, which was recorded in the investment securities gains – net line on the Consolidated Statement of Income for the year ended December 31, 2017.

The acquired assets and assumed liabilities were measured at estimated fair values. The Company relied on the income approach to estimate the value of the loans. The loans’ underlying characteristics (account types, remaining terms (in months), annual interest rates or coupons, interest types, past delinquencies, timing of principal and interest payments, current market rates, loan-to-value ratios, loss exposures and remaining balance) were considered. Various assumptions were applied regarding credit, interest, and prepayment risks for the loans based on loan types, payment types and fixed or variable classifications.

The Company also recorded an identifiable intangible asset representing the core deposit base of Liberty. The discounted cash flow method was used in valuing this intangible. This method is based upon the principle of future benefits; economic value is based on anticipated future benefits as measured by cash flows expected to occur in the future. The estimated future cash flows are converted to a value indicator by determining the present value of the cash flows using a discount rate. The discount rate is based upon the nature of the business, the level of risk, and the expected stability of the estimated future cash flows. The higher the risk, the higher the discount rate, and the lower the value indicator.

Time deposit fair values were estimated using an income approach. The methodology entailed discounting the contractual cash flows of the instruments over their remaining contractual lives at prevailing market rates. Interest and principal payments were projected for each category of CDs over the period from the valuation date to the maturity dates. These payments represent future cash flows to be paid to depositors until maturity. Using appropriate market interest rates for each category of CDs, the future cash flows were discounted to their present value equivalents. The market interest rates were selected based on peer rates in Ohio from Bankrate as of the valuation date.

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The following table summarizes the purchase of Liberty as of January 12, 2017:

(In Thousands, Except Per Share Data)
Purchase Price Consideration in Common Stock
Middlefield Banc Corp. shares issued		544,610
Value assigned to Middlefield Banc Corp. common shares	$	38.55
Purchase price assigned to Liberty common shares exchanged for Middlefield Banc Corp. shares					20,995
Purchase Price Consideration in Cash
Purchase price assigned to Liberty common shares exchanged for cash					21,173
Total Purchase Price					42,168
Previously held equity interest in Liberty					1,068
Net Assets Acquired:
Liberty shareholders equity	$	30,474
Adjustments to reflect assets acquired at fair value:
Loans
Allowance for loan loss		3,257
Loans - interest rate		578
Loans - general credit		(2,161	)
Core deposit intangible		3,087
Other		254
Adjustments to reflect liabilities acquired at fair value:
Time deposits		(141	)
Deferred taxes		(906	)
Change in control		(1,718	)
Total net assets acquired					32,724
Goodwill resulting from merger				$	10,512

The following condensed statement reflects the amounts recognized as of the acquisition date for each major class of asset acquired and liability assumed, at fair value:

(In Thousands)
Total purchase price			$	42,168
Previously held equity interest in Liberty				1,068
Assets (liabilities) acquired:
Net assets acquired:
Cash	26,604
Loans and loans held for sale	201,341
Premises and equipment, net	325
Accrued interest receivable	440
Bank-owned life insurance	1,681
Core deposit intangible	3,087
Other assets	997
Time deposits	(30,744	)
Non-time deposits	(167,300	)
Accrued interest payable	(47	)
Deferred taxes	(906	)
Other liabilities	(2,754	)
Total net assets acquired				32,724
Goodwill resulting from the Liberty merger			$	10,512

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Middlefield recorded goodwill and intangibles associated with the purchase of Liberty totaling $10.5 million. Goodwill is not amortized, but is periodically evaluated for impairment. Middlefield Bank did not recognize any impairment during the year ended December 31, 2017. Management made adjustments to goodwill subsequent to the acquisition of $575,000 due to refinements in a purchase accounting adjustment.

Identifiable intangibles are amortized to their estimated residual values over the expected useful lives. Such lives are also periodically reassessed to determine if any amortization period adjustments are required. During the year ended December 31, 2017, no such adjustments were recorded. The identifiable intangible assets consist of a core deposit intangible which is being amortized over the estimated useful life. The gross carrying amount of the core deposit intangible at December 31, 2017 was $2.7 million with $342,000 accumulated amortization as of that date.

As of December 31, 2017, the current year and estimated future amortization expense for the core deposit intangible is as follows:

Remaining	2018	$	352
	2019		341
	2020		332
	2021		321
	2022		309
	Thereafter		1,094
		$	2,749

Results of operations for Liberty prior to the acquisition date are not included in the Consolidated Statement of Income for the year ended December 31, 2017. The results of activities from the former Liberty operations that are included in the Consolidated Statement of Income from the date of acquisition through December 31, 2017 are broken out in the following table:

	Actual from Acquisition Date Through December 31, 2017
	(in thousands)
Net interest income	$	10,354
Noninterest income	$	744
Net income	$	2,625

The table below presents unaudited pro forma information as if the acquisition of Liberty had occurred on January 1, 2016. This has been prepared for comparative purposes only and is not necessarily indicative of the actual results that would have been attained had the acquisition occurred as of the beginning of the periods presented, nor is it indicative of future results. Furthermore, the unaudited pro forma information does not reflect management’s estimate of any revenue-enhancing opportunities nor anticipated cost savings as a result of the integration and consolidation of the acquisition. Merger and acquisition integration costs and amortization of fair value adjustments are included in the amounts below.

	Pro Formas
	Twelve-month period ended December 31,
	2017		2016
	(in thousands, except per share data)
Net interest income	$	37,646	$	34,817
Noninterest income		4,920		5,485
Net income	$	8,438	$	8,692
Pro forma earnings per share:
Basic	$	2.79	$	4.12
Diluted	$	2.77	$	4.10

Included in the above net income amount for the twelve months ended December 31, 2017 is $1.1 million of nonrecurring merger expenses.

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21. PARENT COMPANY

Following are condensed financial statements for the Company.

CONDENSED BALANCE SHEET

(Dollar amounts in thousands)	December 31,
	2017		2016
ASSETS
Cash and due from banks	$	1,766	$	2,543
Investment securities available for sale		625		1,139
Investment in nonbank subsidiary		2,363		2,360
Investment in subsidiary bank		119,946		76,365
Other assets		3,450		2,837
TOTAL ASSETS	$	128,150	$	85,244
LIABILITIES
Trust preferred securities	$	8,248	$	8,248
Other liabilities		39		36
TOTAL LIABILITIES		8,287		8,284
STOCKHOLDERS' EQUITY		119,863		76,960
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	128,150	$	85,244

CONDENSED STATEMENT OF COMPREHENSIVE INCOME 

	Year Ended December 31,
(Dollar amounts in thousands)	2017			2016			2015
INCOME
Dividends from subsidiary bank	$	10,425		$	3,400		$	4,023
Gain on sale of investment securities		488			-			-
Other		80			24			19
Total income		10,993			3,424			4,042
EXPENSES
Interest expense		460			366			290
Other		2,091			1,856			860
Total expenses		2,551			2,222			1,150
Income before income tax benefit		8,442			1,202			2,892
Income tax benefit		(673	)		(561	)		(386	)
Income before equity in undistributed net income of subsidiaries		9,115			1,763			3,278
Equity in undistributed net income of subsidiaries		340			4,653			3,587
NET INCOME	$	9,455		$	6,416		$	6,865
Comprehensive Income	$	9,345		$	5,222		$	6,712

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CONDENSED STATEMENT OF CASH FLOWS

	Year Ended December 31,
(Dollar amounts in thousands)	2017			2016			2015
OPERATING ACTIVITIES
Net income	$	9,455		$	6,416		$	6,865
Adjustments to reconcile net income tonet cash provided by operating activities:
Equity in undistributed net income of Middlefield Banking Company		(337	)		(4,710	)		(3,703	)
Equity in undistributed netloss of EMORECO		(3	)		57			116
Stock-based compensation expense		33			29			18
Gain on sale of investment securities		(488	)		-			-
Other, net		282			(484	)		(503	)
Net cash provided by operating activities		8,942			1,308			2,793
INVESTING ACTIVITIES
Acquisition, net of cash paid		(22,249	)		-			-
FINANCING ACTIVITIES
Net (decrease) increase in short-term borrowings		-			(9,499	)		6,363
Purchase of treasury stock		-			-			(6,784	)
Proceeds from issuance of common stock		15,164			11,210			-
Stock options exercised		184			(6	)		(7	)
Proceeds from dividend reinvestment plan		540			519			651
Cash dividends		(3,358	)		(2,318	)		(2,153	)
Net cash used for financing activities		12,530			(94	)		(1,930	)
Increase (decrease) in cash		(777	)		1,214			863
CASH AT BEGINNING OF YEAR		2,543			1,329			466
CASH AT END OF YEAR	$	1,766		$	2,543		$	1,329
SUPPLEMENTAL INFORMATION
Common stock issued in business acquisition	$	20,995		$	-		$	-

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22. SELECTED QUARTERLY FINANCIAL DATA (Unaudited)

(Dollar amounts in thousands)	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2017		2017		2017		2017
Total interest and dividend income	$	10,199	$	10,902	$	11,330	$	11,564
Total interest expense		1,442		1,625		1,818		1,762
Net interest income		8,757		9,277		9,512		9,802
Provision for loan losses		165		170		280		430
Net interest income after provision for loan losses		8,592		9,107		9,232		9,372
Total noninterest income		1,511		989		1,441		918
Total noninterest expense		7,267		6,704		7,297		6,217
Income before income taxes		2,836		3,392		3,376		4,073
Income taxes		736		885		914		1,687
Net income	$	2,100	$	2,507	$	2,462	$	2,386
Per share data:
Net income
Basic	$	0.78	$	0.84	$	0.77	$	0.73
Diluted		0.78		0.83		0.76		0.73
Average shares outstanding:
Basic		2,679,816		3,000,451		3,212,335		3,215,300
Diluted		2,692,015		3,014,140		3,223,753		3,231,791

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(Dollar amounts in thousands)	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2016		2016		2016		2016
Total interest and dividend income	$	7,348	$	7,405	$	7,420	$	7,821
Total interest expense		1,025		1,066		1,026		1,073
Net interest income		6,323		6,339		6,394		6,748
Provision for loan losses		105		105		105		255
Net interest income after provision for loan losses		6,218		6,234		6,289		6,493
Total noninterest income		909		1,173		977		900
Total noninterest expense		5,338		4,915		5,662		4,957
Income before income taxes		1,789		2,492		1,604		2,436
Income taxes		302		566		261		776
Net income	$	1,487	$	1,926	$	1,343	$	1,660
Per share data:
Net income
Basic	$	0.79	$	0.94	$	0.60	$	0.71
Diluted		0.79		0.94		0.60		0.70
Average shares outstanding:
Basic		1,878,177		2,051,137		2,247,587		2,251,412
Diluted		1,886,943		2,059,411		2,256,230		2,264,712

23. RETURN ON EQUITY AND ASSETS

The ratio of net income to average shareholders’ equity and average total assets and certain other ratios are as follows for periods ended December 31:

(Dollars in thousands)	2017			2016			2015
Average total assets	$	1,069,656		$	757,052		$	710,271
Average shareholders' equity	$	110,966		$	68,741		$	64,655
Net income	$	9,455		$	6,416		$	6,865
Net income available to common shareholders	$	9,455		$	6,416		$	6,865
Cash dividends declared per share	$	1.08		$	1.08		$	1.07
Return on average total assets		0.88	%		0.85	%		0.97	%
Return on average shareholders' equity		8.52	%		9.33	%		10.62	%
Dividend payout ratio (1)		35.52	%		36.18	%		31.36	%
Average shareholders' equity to average assets		10.37	%		9.08	%		9.10	%

(1) Cash dividends declared on common shares divided by net income available to common shareholders

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

This information should be read in conjunction with the consolidated financial statements and accompanying notes to the financial statements.

This Management’s Discussion and Analysis section of the Annual Report contains forward-looking statements. Forward-looking statements are based upon a variety of estimates and assumptions. The estimates and assumptions involve judgments about a number of things, including future economic, competitive, and financial market conditions and future business decisions. These matters are inherently subject to significant business, economic, and competitive uncertainties, all of which are difficult to predict and many of which are beyond the Company's control. Although the Company believes its estimates and assumptions are reasonable, actual results could vary materially from those shown. Inclusion of forward-looking information does not constitute a representation by the Company or any other person that the indicated results will be achieved. Investors are cautioned not to place undue reliance on forward-looking information.

These forward-looking statements may involve significant risks and uncertainties. Although the Company believes that the expectations reflected in such forward-looking statements are reasonable, actual results may differ materially from the results in these forward-looking statements.

Significant Factors Affecting Financial Results

Capital maintenance is a priority. The Company’s Tier 1 leverage capital was 10.20% as of December 31, 2017, with total risk-based capital of 12.41%. MBC’s Tier 1 leverage capital was 9.47% as of December 31, 2017, with total risk-based capital of 11.64%. In 2017, MBC grew the balance sheet as a result of increasing loan volume and the acquisition of Liberty. We also benefitted from strong income and stockholders’ equity experienced growth. The goal of the elevated capital levels is to account for potential economic stress in the markets in which the Company operates and to account for the levels of substandard and other nonperforming assets.

Longer-term prospects for growth. An increase in loan demand and the availability of high-quality lending opportunities continues to be the driver of growth potential and depends on a broad range of economic factors in the markets in which the Company operates, including the condition of real estate markets in northeastern Ohio and in central Ohio.

Nonperforming and classified assets held by the banking industry have decreased from previous elevated levels. Because of uncertainty about economic sustainability and the potential for other factors to have an adverse impact on the prospects for the banking industry, such as national and global economic and political factors, the bank regulatory agencies have insisted that banks increase the size of the buffer that protects a bank from unknown potential adverse events and circumstances: regulatory capital.

The total number of banks and savings associations as of the end of 2017 is less than half the number at the end of 1990. Nevertheless, a large percentage of the institutions that remain are small, community-oriented institutions, although the share of total banking assets that they control continues to decline. We believe a strong incentive exists for growth through industry consolidation as a defense to pressure from competitors. We therefore believe that industry consolidation is likely to continue and that the pace of consolidation could actually accelerate.

The trend toward consolidation would be most advantageous for financial institution organizations that have a surplus of capital, a strategy for growth, a strong financial profile, and few if any regulatory supervisory concerns, the ingredients of prompt regulatory approval that could be a significant competitive advantage in the market for financial institution mergers and acquisitions. Our goal is to maintain that advantage, although we give no assurance that our efforts to do so will succeed. We continue to commit significant resources to increase operational effectiveness in The Middlefield Banking Company.

Critical Accounting Policies

Allowance for loan and lease losses. Arriving at an appropriate level of allowance for loan and lease losses involves a high degree of judgment. The Company’s allowance for loan and lease losses provides for probable losses based upon evaluations of known and inherent risks in the loan portfolio.

Management uses historical information to assess the adequacy of the allowance for loan and lease losses as well as the prevailing business environment, which is affected by changing economic conditions and various external factors and which may impact the portfolio in ways currently unforeseen. The allowance is increased by provisions for loan losses and by recoveries of loans previously charged-off and reduced by loans charged-off. For a full discussion of the Company’s methodology of assessing the adequacy of the reserve for loan losses, refer to Note 1 of “Notes to Consolidated Financial Statements” of this Annual Report.

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Valuation of Securities. Securities are classified as held to maturity or available for sale on the date of purchase. Only those securities classified as held to maturity are reported at amortized cost. Available-for-sale and trading securities are reported at fair value with unrealized gains and losses included in accumulated other comprehensive income, net of related deferred income taxes, on the Consolidated Balance Sheet. The majority of all of the Company’s securities are valued based on prices compiled by third party vendors using observable market data. However, certain securities are less actively traded and do not always have quoted market prices. The determination of fair value for less actively traded securities, therefore, requires judgment, with such determination requiring benchmarking to similar instruments or analyzing default and recovery rates. Examples include certain collateralized mortgage and debt obligations and high-yield debt securities. Realized securities gains or losses are reported within noninterest income in the Consolidated Statement of Income. The cost of securities sold is based on the specific identification method.

Management evaluates securities for other-than-temporary impairment (“OTTI”) at least on a quarterly basis, and more frequently when economic or market conditions warrant such an evaluation. Investment securities are generally evaluated for OTTI under Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 320, Investments — Debt and Equity Securities. Consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, whether the market decline was affected by macroeconomic conditions and whether the Company has the intent to sell the debt security or more likely than not will be required to sell the debt security before its anticipated recovery. In analyzing an issuer’s financial condition, the Company may consider whether the securities are issued by the federal government or its agencies, or U.S. government-sponsored enterprises, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition. The assessment of whether an other-than-temporary decline exists involves a high degree of subjectivity and judgment and is based on the information available to management at a point in time.

When OTTI occurs, the amount of the OTTI recognized in earnings depends on whether an entity intends to sell the security or it is more likely than not it will be required to sell the security before recovery of its amortized cost basis. If an entity intends to sell or it is more likely than not it will be required to sell the security before recovery of its amortized cost basis, the OTTI shall be recognized in earnings equal to the entire difference between the investment’s amortized cost basis and its fair value at the balance sheet date. The previous amortized cost basis less the OTTI recognized in earnings becomes the new amortized cost basis of the investment. For debt securities that do not meet the aforementioned criteria, the amount of impairment is split into two components as follows: 1) OTTI related to credit loss, which must be recognized in the income statement and 2) OTTI related to other factors, which is recognized in other comprehensive income or loss. The credit loss is defined as the difference between the present value of the cash flows expected to be collected and the amortized cost basis. For equity securities, the entire amount of impairment is recognized through earnings.

Debt securities issued by U.S. government agencies, U.S. government-sponsored enterprises, and state and political subdivisions accounted for more than 99.3% of the total available-for-sale portfolio as of December 31, 2017, and no credit losses are expected, given the explicit and implicit guarantees provided by the U.S. federal government and the lack of significant unrealized loss positions within the obligations of state and political subdivisions security portfolio. The Company considered the following factors in determining whether a credit loss exists and the period over which the debt security is expected to recover:

● The length of time and the extent to which the fair value has been less than the amortized cost basis.

● Changes in the near term prospects of the underlying collateral of a security such as changes in default rates, loss severity given default and significant changes in prepayment assumptions.

● The level of cash flows generated from the underlying collateral supporting the principal and interest payments of the debt securities.

● Any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information available about the overall financial condition of the issuer, credit ratings, recent legislation and government actions affecting the issuer’s industry and actions taken by the issuer to deal with the present economic climate.

Refer to Note 3 in the consolidated financial statements.

Income Taxes

The Company estimates income tax expense based on amounts expected to be owed to the various tax jurisdictions in which the Company conducts business. On a quarterly basis, management assesses the reasonableness of the Company’s effective tax rate based upon management’s current estimate of the amount and components of net income, tax credits and the applicable statutory tax rates expected for the full year. The estimated income tax expense is recorded in the Consolidated Statement of Income.

Deferred income tax assets and liabilities are determined using the balance sheet method and are reported in accrued taxes, interest and expenses in the Consolidated Balance Sheet. Under this method, the net deferred tax asset or liability is based on the tax effects of the differences between the book and tax basis of assets and liabilities and recognizes enacted changes in tax rates and laws. Deferred tax assets are recognized to the extent they exist and are subject to a valuation allowance based on management’s judgment that realization is more likely than not.

49

Accrued taxes represent the net estimated amount due to taxing jurisdictions and are reported in accrued taxes, interest and expenses in the Consolidated Balance Sheet. The Company evaluates and assesses the relative risks and appropriate tax treatment of transactions and filing positions after considering statutes, regulations, judicial precedent and other information and maintains tax accruals consistent with management’s evaluation of these relative risks and merits. Changes to the estimate of accrued taxes occur periodically due to changes in tax rates, interpretations of tax laws, the status of examinations being conducted by taxing authorities and changes to statutory, judicial and regulatory guidance that impact the relative risks of tax positions. These changes, when they occur, can affect deferred taxes and accrued taxes as well as the current period’s income tax expense and can be significant to the operating results of the Company.

Goodwill and Other Intangible Assets

Goodwill is the excess of the purchase price over the fair value of the assets acquired in connection with business acquisitions accounted for as purchases. Other intangible assets consist of branch acquisition core deposit premiums. Initially, an assessment of qualitative factors (Step 0) is performed to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount.  If, after assessing the totality of events or circumstances, we determine it is not more likely than not that the fair value of a reporting unit is less than its carrying value, then performing the two-step impairment test is unnecessary.  However, if we conclude otherwise, then we are required to perform the first step (Step 1) of the two-step impairment test by calculating the fair value of the reporting unit and comparing the fair value with the carrying amount of the reporting unit.  If the fair value is less than the carrying value, an expense may be required on our books to write down the goodwill to the proper carrying value.  Step 2 of impairment testing, which is necessary only if Step 1 fails, compares the implied fair value of the goodwill with the carrying amount of the goodwill. 

The Company must assess goodwill and other intangible assets each year for impairment. The gross carrying amount of goodwill and intangible assets is tested for impairment in the fourth quarter, after the annual forecasting process.

Fair Value of Financial Instruments

The disclosure of the fair value of financial instruments is based on available market prices or management’s estimates of the fair value of such instruments.

Management consults with a third party for available market prices as well as performs calculations of the present value of contractual cash flows discounted at current comparative market inputs. Prepayment estimates are utilized when appropriate.

Changes in Financial Condition

General The Company’s total assets increased $318.5 million or 40.4% to $1.1 billion at December 31, 2017 from $787.8 million at December 31, 2016. This increase was mostly due to an increase in net loans of $313.5 million largely due to the acquisition of Liberty, which was partially offset by a decrease in investments of $19.1 million.

The increase in the Company’s total assets reflects a related increase in total liabilities of $275.6 million or 38.8% to a total balance of $986.5 million at December 31, 2017 from $710.9 million at December 31, 2016. The Company experienced an increase in total stockholders’ equity of $42.9 million.

The increase in total liabilities was due to growth in deposits and other borrowings for the year, along with an increase in deposits due to the acquisition of Liberty. Total deposits increased $248.3 million or 39.4% to $878.2 million at December 31, 2017 from $629.9 million as of December 31, 2016. Other borrowings increased $19.6 million or 208.0% to $29.1 million at December 31, 2017 from $9.4 million as of December 31, 2016. The net increase in total stockholders’ equity can be attributed to an increase in common stock and retained earnings of $36.9 million and $6.1 million, respectively.   

On January 12, 2017, the Company completed its acquisition of Liberty pursuant to a previously announced definitive merger agreement. Under the terms of the merger agreement, Liberty shareholders received $37.96 in cash or 1.1934 shares of Middlefield’s common stock in exchange for each share of Liberty common stock they owned immediately prior to the merger. Middlefield issued 544,610 shares of its common stock in the merger and the aggregate merger consideration was approximately $42.2 million.

In a private placement completed on May 10, 2017, the Company sold 400,000 shares of its common stock, without par value, at a purchase price of $40.00 per share. The offering was to accredited investors only. The gross proceeds of the offering were $16.0 million before compensation of $760,000 payable to the investment bank acting as placement agent. The offer and sale of the Company’s common stock in the private placement were exempt from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”) pursuant to Section 4(a)(2) of, and Rule 506 of Regulation D under, the Securities Act. The Company used the proceeds of the private placement to repay outstanding borrowings of approximately $12.0 million, for general corporate purposes, and for future cash flows.

Cash and cash equivalents Cash and due from banks and federal funds sold represent cash and cash equivalents which increased $7.4 million or 22.7% to $39.9 million at December 31, 2017 from $32.5 million at December 31, 2016. Deposits from customers into savings and checking accounts, loan and security repayments and proceeds from borrowed funds typically increase these accounts. Decreases result from customer withdrawals, new loan originations, security purchases and repayments of borrowed funds.

50

Investment securities Management's objective in structuring the portfolio is to maintain a prudent level of liquidity while providing an acceptable rate of return without sacrificing asset quality. Maturing securities have historically provided sufficient liquidity. The balance of total securities decreased $19.1 million, or 16.7%, as compared to 2016, with the ratio of securities to total assets decreasing to 8.6% at December 31, 2017, compared to 14.5% at December 31, 2016.

The Company benefits from owning municipal bonds, which totaled $66.9 million or 70.2% of the Company's total investment portfolio at December 31, 2017. The weighted-average federal tax equivalent (FTE) yield on all debt securities at year-end 2017 was 4.22%, as compared to 4.18% at year-end 2016. While the Company's focus is to generate interest revenue primarily through loan growth, management will continue to invest excess funds in securities when opportunities arise.

Loans receivable The loans receivable category consists primarily of single-family mortgage loans used to purchase or refinance personal residences located within the Company’s market area and commercial real estate loans used to finance properties that are used in the borrowers’ businesses or to finance investor-owned rental properties and commercial loans to finance the business operations and to a lesser extent construction and consumer loans. Net loans receivable increased $313.5 million or 52.0% to $916.0 million at December 31, 2017 from $602.5 million at December 31, 2016 due to both the Liberty acquisition and organic growth. The Liberty acquisition resulted in a net increase of loans receivable of $195.4 million as of the date of acquisition. Included in the total increase to loans receivable were increases in the commercial real estate, residential real estate, commercial and industrial, construction, and consumer installment portfolios of $188.5 million, $47.3 million, $40.7 million, $23.3 million, and $14.3 million, respectively.

The product mix in the loan portfolio is commercial real estate loans equaling 47.4%, residential real estate loans 34.5%, commercial and industrial loans 11.0%, construction loans 5.1%, and consumer loans 2.0% at December 31, 2017 compared with 41.0%, 44.5%, 10.0%, 3.9%, and 0.7%, respectively, at December 31, 2016.

Loans contributed 91.5% of total interest income in 2017 and 86.0% in 2016. The loan portfolio yield of 4.69% in 2017 was 27 basis points higher than the average yield for total interest-earning assets. Management recognizes that while the loan portfolio holds some of the Company’s highest yielding assets, it is inherently the most risky portfolio. Accordingly, management attempts to balance credit risk versus return with conservative credit standards. Management has developed and maintains comprehensive underwriting guidelines and a loan review function that monitors credits during and after the approval process. Management follows additional procedures to obtain current borrower financial information annually throughout the life of the loan obligation.

To minimize risks associated with changes in the borrower’s future repayment capacity, the Company generally requires scheduled periodic principal and interest payments on all types of loans and normally requires collateral.

The Company will continue to monitor the size of its loan portfolio growth. The Company's lending markets have rebounded from the suppressed levels of loan originations in previous years. The Company anticipates total loan growth to be steady, with volume to continue at a moderate pace. The Company remains committed to sound underwriting practices without sacrificing asset quality and avoiding exposure to unnecessary risk that could weaken the credit quality of the portfolio.

Restricted stock. The Company’s investment in restricted stock increased $1.4 million, or 62.9%, to $3.6 million as of December 31, 2017, compared to $2.2 million as of December 31, 2016.

Goodwill. Goodwill results from prior business acquisitions and represents the excess of the purchase price over the fair value of acquired tangible assets and liabilities and identifiable intangible assets. Goodwill is assessed annually for impairment and any such impairment is recognized in the period identified by a charge to earnings.

The process of evaluating goodwill for impairment requires management to make significant estimates and judgments. The use of different estimates, judgments or approaches to estimate fair value could result in a different conclusion regarding impairment of goodwill. Based on the analysis, management has determined that there is no goodwill impairment.

The Company values core deposits and monitors the ongoing value of core deposit intangibles and goodwill on an annual basis. As of December 31, 2017, the Company recorded net increases in goodwill and core deposit intangibles of $10.5 million and $2.7 million, respectively. These increases are the direct result of the Liberty acquisition.

Bank owned life insurance. Bank owned life insurance (BOLI) is universal life insurance, purchased by the Company, on the lives of the Company’s officers. The beneficial aspects of these universal life insurance policies are tax-free earnings and a tax-free death benefit, which are realized by the Company as the owner of the policies. BOLI increased by $2.1 million to $15.6 million as of December 31, 2017 from $13.5 million at the end of 2016 as a result of the Liberty acquisition and increases in cash surrender value.

51

Deposits. Interest-earning assets are funded generally by both interest-bearing and noninterest-bearing core deposits. Deposits are influenced by changes in interest rates, economic conditions and competition from other banks. The Company considers various sources when evaluating funding needs, including but not limited to deposits, which represented 89.4% of the Company’s total funding sources at December 31, 2017. The deposit base consists of demand deposits, savings, money market accounts and time deposits. Total deposits increased $248.3 million or 39.4% to $878.2 million at December 31, 2017 from $629.9 million at December 31, 2016. The Liberty acquisition resulted in a net increase of deposits of $198.0 million as of the date of acquisition.

Savings and time deposits are the largest sources of funding for the Company's earning assets, making up a combined 51.4% of total deposits. The total increase in deposits is the result of increases in money market, noninterest-bearing demand, time, savings, and interest-bearing demand deposits of $75.3 million or 100.5%, $58.8 million or 44.0%, $53.5 million or 28.3%, $36.1 million or 21.0%, and $24.4 million or 41.0%, respectively, at December 31, 2017.

The Company will continue to experience increased competition for deposits in its market areas, which could challenge net growth in its deposit balances. The Company will continue to evaluate its deposit portfolio mix to properly employ both retail and wholesale funds to support earning assets and minimize interest costs.

Borrowed funds. The Company uses short and long-term borrowings as another source of funding to benefit asset growth and liquidity needs. These borrowings primarily include FHLB advances, junior subordinated debt, lines of credit from other banks and repurchase agreement borrowings. Borrowed funds increased $26.0 million or 33.4% to $103.8 million at December 31, 2017 from $77.8 million at December 31, 2016. Borrowings increased in order to fund loan growth.    

Stockholders’ equity. The Company maintains a capital level that exceeds regulatory requirements as a margin of safety for its depositors and shareholders. All of the capital ratios exceeded the regulatory well-capitalized guidelines.

Stockholders’ equity totaled $119.9 million at December 31, 2017, compared to $77.0 million at December 31, 2016, which represents an increase of 55.7%. This growth was largely the result of an increase in common stock in relation to the Liberty acquisition (Note 20), and the proceeds from the private placement discussed previously. There was no change in the treasury stock balance of $13.5 million from 2016 to 2017. Retained earnings increased $6.1 million resulting from net income, less cash dividends paid of $3.4 million, or $1.08 per share, year-to-date. Common stock increased $36.9 million, or 77.0%, to $84.9 million at December 31, 2017 from $47.9 million at December 31, 2016. The Company maintains a dividend reinvestment and stock purchase plan. The plan allows shareholders to purchase additional shares of Company stock. A benefit of the plan is to permit the shareholders to reinvest cash dividends as well as make supplemental purchases without the usual payment of brokerage commissions. During 2017, shareholders invested $0.5 million through the dividend reinvestment and stock purchase plan. These proceeds resulted in the issuance of 11,721 new shares at a weighted average price of $46.07.

52

Average Balance Sheet and Yield/Rate Analysis. The following table sets forth, for the periods indicated, information concerning the total dollar amounts of interest income from interest-earning assets and the resultant average yields, the total dollar amounts of interest expense on interest-bearing liabilities and the resultant average costs, net interest income, interest rate spread and the net interest margin earned on average interest-earning assets. For purposes of this table, average balances are calculated using monthly averages and the average loan balances include nonaccrual loans and exclude the allowance for loan and lease losses, and interest income includes accretion of net deferred loan fees. Yields on tax-exempt securities (tax-exempt for federal income tax purposes) are shown on a fully tax-equivalent basis utilizing a federal tax rate of 34%.

	For the Twelve Months Ended December 31,
	2017							2016							2015
	Average				Average			Average				Average			Average				Average
(Dollar amounts in thousands)	Balance		Interest		Yield/Cost			Balance		Interest		Yield/Cost			Balance		Interest		Yield/Cost
Interest-earning assets:
Loans receivable	$	857,361	$	40,235		4.69	%	$	565,223	$	25,798		4.55	%	$	494,931	$	23,824		4.81	%
Investment securities (3)		104,444		3,168		4.22	%		131,797		4,019		4.18	%		152,015		4,627		4.11	%
Interest-bearing deposits with other banks		47,168		592		1.26	%		22,316		177		0.79	%		23,855		144		0.60	%
Total interest-earning assets		1,008,973		43,995		4.42	%		719,336		29,994		4.37	%		670,801		28,595		4.51	%
Noninterest-earning assets		60,683							37,716							39,470
Total assets	$	1,069,656						$	757,052						$	710,271
Interest-bearing liabilities:
Interest-bearing demand deposits	$	87,678		236		0.27	%	$	65,403		195		0.30	%	$	62,064		191		0.31	%
Money market deposits		158,159		980		0.62	%		80,331		332		0.41	%		76,034		312		0.41	%
Savings deposits		193,003		608		0.32	%		174,995		427		0.24	%		179,095		542		0.30	%
Certificates of deposit		241,195		3,526		1.46	%		186,627		2,664		1.42	%		190,097		2,381		1.25	%
Borrowings		96,154		1,297		1.35	%		46,865		572		1.22	%		22,108		394		1.78	%
Total interest-bearing liabilities		776,189		6,647		0.86	%		554,221		4,190		0.75	%		529,398		3,820		0.72	%
Noninterest-bearing liabilities
Other liabilities		182,501							134,090							116,218
Stockholders' equity		110,966							68,741							64,655
Total liabilities and stockholders' equity	$	1,069,656						$	757,052						$	710,271
Net interest income			$	37,348						$	25,804						$	24,775
Interest rate spread (1)						3.57	%						3.61	%						3.78	%
Net interest margin (2)						3.82	%						3.79	%						3.94	%
Ratio of average interest-earning assets to average interest-bearing liabilities						129.99	%						129.79	%						126.71	%

(1) Interest rate spread represents the difference between the average yield on interest-earning assets and the average cost of interest-bearing liabilities

(2) Net interest margin represents net interest income as a percentage of average interest-earning assets.

(3) Tax-equivalent adjustments to calculate the yield on tax-exempt securities were $1,239, $1,501, and 1,628, for 2017, 2016, and 2015, respectively.

Interest Rates and Interest Differential

	2017 versus 2016									2016 versus 2015
	Increase (decrease) due to									Increase (decrease) due to
(Dollars in thousands)	Volume			Rate			Total			Volume			Rate			Total
Interest-earning assets:
Loans receivable	$	13,501		$	936		$	14,437		$	3,292		$	(1,318	)	$	1,974
Investment securities		(1,149	)		298			(851	)		(838	)		230			(608	)
Interest-bearing deposits with other banks		254			161			415			(11	)		44			33
Total interest-earning assets		12,606			1,395			14,001			2,443			(1,044	)		1,399
Interest-bearing liabilities:
Interest-bearing demand deposits		63			(22	)		41			10			(6	)		4
Money market deposits		401			247			648			18			2			20
Savings deposits		50			131			181			(11	)		(104	)		(115	)
Certificates of deposit		786			76			862			(46	)		329			283
Borrowings		633			92			725			371			(193	)		178
Total interest-bearing liabilities		1,933			524			2,457			342			28			370
Net interest income	$	10,673		$	871		$	11,544		$	2,101		$	(1,072	)	$	1,029

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Allowance for Loan and Lease Losses. The allowance for loan and lease losses (“ALLL”) represents the amount management estimates is adequate to provide for probable losses inherent in the loan portfolio as of the balance sheet date. Accordingly, all loan losses are charged to the allowance, and all recoveries credited to it. The ALLL is established through a provision for loan losses, which is charged to operations. The provision is based on management's periodic evaluation of the adequacy of the ALLL, taking into account the overall risk characteristics of the various portfolio segments, the Company's loan loss experience, the impact of economic conditions on borrowers, and other relevant factors. The estimates used to determine the adequacy of the ALLL, including the amounts and timing of future cash flows expected on impaired loans, are particularly susceptible to significant change in the near term. The total ALLL is a combination of a specific allowance for identified problem loans and a general allowance for homogeneous loan pools.

The allowance for loan and lease loss balance as of December 31, 2017 totaled $7.2 million representing a $0.6 million increase from the end of 2016. For the year of 2017, the provision for loan losses was $1.0 million which represented an increase of $0.4 million from the $0.6 million provided during 2016. Asset quality is a high priority in our overall business plan as it relates to long-term asset growth projections. During 2017, net charge-offs increased by $0.1 million to $0.5 million compared to $0.4 million in 2016. Two key ratios to monitor asset quality performance are net charge-offs to average loans and the allowance for loan and lease losses to nonperforming loans. At year-end 2017, these ratios were 0.05% and 53.6%, respectively, compared to 0.06% and 54.8% in 2016.

MBC recorded loans acquired through the Liberty acquisition without carrying over any allowance. As such, the acquisition of these loans had a negligible effect on the determination of the allowance for loans and lease losses as of December 31, 2017. However, these assets have been considered in the determination of the allowance for loan and lease losses for any subsequent deterioration after the acquisition date.

The specific allowance incorporates the results of measuring impaired loans. The formula allowance is calculated by applying loss factors to outstanding loans by type, excluding loans for which a specific allowance has been determined. Loss factors are based on management's determination of the amounts necessary for concentrations and changes in mix and volume of the loan portfolio, and consideration of historical loss experience.

The non-specific allowance is determined based upon management's evaluation of existing economic and business conditions affecting the key lending areas of the Company and other conditions, such as new loan products, credit quality trends, collateral values, unique industry conditions within portfolio segments that existed as of the balance sheet date, and the impact of those conditions on the collectability of the loan portfolio. Management reviews these conditions quarterly. The non-specific allowance is subject to a higher degree of uncertainty because it considers risk factors that may not be reflected in the historical loss factors.

Although management uses the best information available to make the determination of the adequacy of the ALLL at December 31, 2017, future adjustments could be necessary if circumstances or economic conditions differ substantially from the assumptions used in making the initial determinations. A downturn in the local economy could result in increased levels of nonperforming assets and charge-offs, increased loan loss provisions, and reductions in income. Additionally, as an integral part of the examination process, bank regulatory agencies periodically review a Bank’s ALLL. The banking agencies could require the recognition of additions to the loan loss allowance based on their judgment of information available to them at the time of their examination.

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The following table sets forth information concerning the Company's ALLL at the dates and for the periods presented.

	For the Years Ended
	December 31,
(Dollars in thousands)	2017			2016			2015
Allowance balance at beginning of period	$	6,598		$	6,385		$	6,846
Loans charged off:
Commercial and industrial		(536	)		(237	)		(280	)
Real estate-construction		-			-			(385	)
Real estate-mortgage:
Residential		(117	)		(414	)		(425	)
Commercial		(39	)		(70	)		(92	)
Consumer installment		(462	)		(22	)		(15	)
Total loans charged off		(1,154	)		(743	)		(1,197	)
Recoveries of loans previously charged-off:
Commercial and industrial		234			90			207
Real estate-construction		34			-			-
Real estate-mortgage:
Residential		241			141			186
Commercial		111			140			5
Consumer installment		81			15			23
Total recoveries		701			386			421
Net loans charged off		(453	)		(357	)		(776	)
Provision for loan losses		1,045			570			315
Allowance balance at end of period	$	7,190		$	6,598		$	6,385
Loans outstanding:
Average	$	857,361		$	565,223		$	494,931
End of period		923,213			609,140			533,710
Ratio of allowance for loan and lease losses to loans outstanding at end of period		0.78	%		1.08	%		1.20	%
Net charge-offs to average loans		0.05	%		0.06	%		0.16	%

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The following table illustrates the allocation of the Company's allowance for probable loan losses for each category of loan for each reported period. The allocation of the allowance to each category is not necessarily indicative of future loss in a particular category and does not restrict our use of the allowance to absorb losses in other loan categories.

	At December 31,
	2017					2016					2015
			Percent of					Percent of					Percent of
			Loans in Each					Loans in Each					Loans in Each
			Category to					Category to					Category to
	Amount		Total Loans			Amount		Total Loans			Amount		Total Loans
(Dollars in Thousands)
Type of Loans:
Commercial and industrial	$	999		11.0	%	$	448		10.0	%	$	867		8.0	%
Real estate construction		313		5.1			172		3.9			276		4.2
Mortgage:
Residential		1,760		34.5			2,818		44.5			3,139		43.6
Commercial		4,036		47.4			3,135		41.0			2,078		43.4
Consumer installment		82		2.0			25		0.7			25		0.8
Total	$	7,190		100.0	%	$	6,598		100.0	%	$	6,385		100.0	%

Nonperforming assets. Nonperforming assets include nonaccrual loans, troubled debt restructurings (TDRs), loans 90 days or more past due, assets purchased by EMORECO, OREO, and repossessed assets. A loan is classified as nonaccrual when, in the opinion of management, there are serious doubts about collectability of interest and principal. Accrual of interest is discontinued on a loan when management believes, after considering economic and business conditions, the borrower’s financial condition is such that collection of principal and interest is doubtful. Payments received on nonaccrual loans are applied against principal.

TDRs are those loans which the Company, for economic or legal reasons related to a borrower’s financial difficulties, grants a concession to the borrower that the Company would not otherwise consider. The Company has 48 TDRs with a total balance of $5.4 million as of December 31, 2017 compared to 48 TDRs totaling $6.7 million as of December 31, 2016. Nonperforming loans amounted to $13.4 million or 1.5% of total loans and $12.0 million or 2.0% of total loans at December 31, 2017 and December 31, 2016, respectively.

A major factor in determining the appropriateness of the ALLL is the type of collateral which secures the loans. Although this does not insure against all losses, the real estate provides substantial recovery, even in a distressed-sale and declining-value environment. The Bank’s objective is to work with the borrower to minimize the burden of the debt service and to minimize the future loss exposure to the Company.

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The following table summarizes nonperforming assets by category.

	At December 31,
	2017			2016			2015
	(Dollars in Thousands)
Loans accounted for on a nonaccrual basis:
Commercial and industrial	$	1,120		$	454		$	1,450
Real estate - construction		-			-			130
Real estate-mortgage:
Residential		4,002			4,034			4,122
Commercial		3,311			1,409			1,842
Consumer installment		-			6			1
Total nonaccrual loans		8,433			5,903			7,545
Troubled debt restructuring, not on a nonaccrual basis:
Commercial and industrial		1,527			1,487			509
Real estate - construction		44			909			129
Real estate-mortgage:
Residential		1,966			2,006			1,398
Commercial		1,441			1,733			680
Consumer installment		4			5			-
Total troubled debt restructuring		4,982			6,140			2,716
Accruing loans which are contractually past due 90 days or more:
Real estate-mortgage:
Residential		-			-			2
Total accruing loans which are contractually past due 90 days or more		-			-			2
Total nonperforming loans		13,415			12,043			10,263
Other real estate owned		212			934			1,412
Total nonperforming assets	$	13,627		$	12,977		$	11,675
Total nonperforming loans to total loans		1.45	%		1.98	%		1.92	%
Total nonperforming loans to total assets		1.21	%		1.53	%		1.40	%
Total nonperforming assets to total assets		1.23	%		1.65	%		1.59	%

Accrual of interest is discontinued on a loan when management believes, after considering economic and business conditions, the borrower's financial condition is such that collection of interest is doubtful. Payments received on nonaccrual loans are recorded as income or applied against principal according to management's judgment as to the collectability of principal.

A loan is considered impaired when it is probable the borrower will not repay the loan according to the original contractual terms of the loan agreement, including all troubled debt restructurings. Management has determined that first mortgage loans on one-to-four family properties and all consumer loans represent large groups of smaller-balance homogeneous loans that are to be collectively evaluated. Loans that experience insignificant payment delays, which are defined as 90 days or less, generally are not classified as impaired. A loan is not impaired during a period of delay in payment if the Company expects to collect all amounts due, including interest accrued at the contractual interest rate for the period of delay. Management evaluates all loans identified as impaired individually. The Company estimates credit losses on impaired loans based on the present value of expected cash flows, or the fair value of the underlying collateral if loan repayment is expected to come from the sale or operation of the collateral. Impaired loans, or portions thereof, are charged off when it is determined a realized loss has occurred. Until that time, an allowance for loan and lease loss is maintained for estimated losses.

Interest income that would have been recorded had these loans not been placed on nonaccrual status was $437,000 in 2017, $309,000 in 2016; and $259,000 in 2015. Management is not aware of any trends or uncertainties related to any loans classified as doubtful or substandard that might have a material effect on earnings, liquidity, or capital resources.

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Changes in Results of Operations

2017 Results Compared to 2016 Results

General The Company posted net income of $9.5 million, compared to $6.4 million for the year ended December 31, 2016. On a per share basis, 2017 earnings were $3.10 per diluted share, representing an increase from the $3.03 per diluted share for the year ended December 31, 2016. The return on average equity for the year ended December 31, 2017, was 8.52% and the Company’s return on average assets was 0.88%.

Net interest income Net interest income, which is the Company’s largest revenue source, is the difference between interest income on earning assets and interest expense paid on liabilities. Net interest income is affected by the changes in interest rates and the composition of interest-earning assets and interest-bearing liabilities. Net interest income increased by $11.5 million in 2017 to $37.3 million compared to $25.8 million for 2016. This increase is the result of a $14.0 million increase in interest and dividend income with only a $2.5 million increase in interest expense. Interest-earning assets averaged $1.01 billion during 2017, a year-over-year increase of $289.6 million from $719.3 million for 2016. The Company’s average interest-bearing liabilities increased from $554.2 million in 2016 to $776.2 million in 2017.

The profit margin, or spread, on invested funds is a key performance indicator. The Company monitors two key performance indicators — net interest spread and net interest margin. The net interest spread represents the difference between the average rate earned on interest-earning assets and the average rate paid on interest-bearing liabilities. The net interest margin represents the overall profit margin: net interest income as a percentage of total interest-earning assets. This performance indicator gives effect to interest earned for all investable funds including the substantial volume of interest-free funds. For 2017 the net interest margin, measured on a fully taxable equivalent basis, increased to 3.82%, compared to 3.79% in 2016.

Interest and dividend income Interest and dividend income increased $14.0 million to $44.0 million for 2017 which is attributable to a $14.4 million increase in interest and fees on loans (including the interest and fees on the loans acquired through the Liberty acquisition). This change was the result of an increase in the average balance of loans receivable, accompanied by a higher yield on the portfolio. The average balance of loans receivable increased by $292.1 million or 51.7% to $857.4 million for the year ended December 31, 2017 as compared to $565.2 million for the year ended December 31, 2016. The loans receivable yield increased to 4.69% for 2017, from 4.55% in 2016. The net increase in interest and fees earned on loans receivable attributable to the Liberty acquisition is $10.9 million for the year ended December 31, 2017.

Interest on investment securities decreased $0.9 million to $3.2 million for 2017, compared to $4.0 million for 2016. The average balance of investment securities decreased $27.4 million to $104.4 million for the year ended December 31, 2017 as compared to $131.8 million for the year ended December 31, 2016. The investment securities yield increased 4 basis points to 4.22% for 2017, compared to 4.18% for 2016.

Interest expense Interest expense increased $2.5 million or 58.6% to $6.6 million for 2017, compared with $4.2 million for 2016. This change in interest expense can be attributed to an increase in the average balance of interest-bearing liabilities. For the year ended December 31, 2017 the average balance of interest-bearing liabilities increased by $222.0 million to $776.2 million as compared to $554.2 million for the year ended December 31, 2016. Interest incurred on deposits increased by $1.7 million for the year from $3.6 million in 2016 to $5.3 million for year end 2017. The change in deposit expense was due to an increase in the average balance as well as a 7 basis point increase during the year. Interest expense incurred on FHLB advances, repurchase agreements, junior subordinated debt and other borrowings increased 126.7% from 2016. The increase was due to a $49.3 million increase in the average balance. The Liberty acquisition resulted in a net increase of interest expense of $834,000 as of December 31, 2017.       

Provision for loan losses The provision for loan losses is an operating expense recorded to maintain the related balance sheet allowance for loan and lease losses at an amount considered adequate to cover probable losses incurred in the normal course of lending. The provision for loan losses for the year ended December 31, 2017 was $1.0 million compared to $0.6 million in 2016. The loan loss provision is based upon management's assessment of a variety of factors, including types and amounts of nonperforming loans, historical loss experience, collectability of collateral values and guaranties, pending legal action for collection of loans and related guaranties, and current economic conditions. The loan loss provision reflects management's judgment of the current period cost-of-credit risk inherent in the loan portfolio. Although management believes the loan loss provision has been sufficient to maintain an adequate allowance for loan and lease losses, actual loan losses could exceed the amounts that have been charged to operations. The ratio of the allowance for loan and lease losses to total loans decreased to 0.78% of total loans at December 31, 2017 compared to the 1.08% at December 31, 2016. This decrease is due to the acquisition of Liberty loans without their ALLL determination.    

Noninterest income Noninterest income increased $0.9 million or 22.7% to $4.9 million for 2017 compared to $3.9 million for 2016. The increase was largely the result of an increase in net investment security gains of $0.9 million and gains on sales of loans of $0.8 million.

58

Noninterest expense Operating expenses increased $6.6 million, or 31.7% to $27.5 million for 2017 compared to $20.9 million for 2016. Salaries and employee benefits, occupancy expense, and data processing costs increased $3.5 million, $0.6 million, and $0.5 million, respectively. These increases were partially offset by a decrease in other expense. The salary increase is mostly due to annual pay adjustments and the increase of employees due to the acquisition of Liberty. Data processing and occupancy expenses are also higher due to additional ongoing services provided and property maintenance costs related to the acquisition. Core deposit intangible amortization increased $334,000 to $374,000 for 2017 compared to $40,000 for 2016 as a result of the Liberty acquisition. Nonrecurring merger expense due to the acquisition of Liberty included in noninterest expense is $1.1 million as of December 31, 2017.

Provision for income taxes The provision for income taxes increased by $2.3 million, or 121.6%, to $4.2 million for 2017 from $1.9 million for 2016. The Company’s effective federal income tax rate in 2017 was 30.9% compared to 22.9% in 2016. The increase in the effective tax rate is due to a lower level of nontaxable income and the write-down of the Company’s deferred taxes due to a change in the corporate tax rate.

2016 Results Compared to 2015 Results

General The Company posted net income of $6.4 million, compared to $6.9 million for the year ended December 31, 2015. On a per share basis, 2016 earnings were $3.03 per diluted share, representing a decrease from the $3.39 per diluted share for the year ended December 31, 2015. The return on average equity for the year ended December 31, 2016, was 9.33% and the Company’s return on average assets was 0.85%.

Net interest income Net interest income, which is the Company’s largest revenue source, is the difference between interest income on earning assets and interest expense paid on liabilities. Net interest income is affected by the changes in interest rates and the composition of interest-earning assets and interest-bearing liabilities. Net interest income increased by $1.0 million in 2016 to $25.8 million compared to $24.8 million for 2015. This increase is the result of a $1.4 million increase in interest income with only a $0.4 million increase in interest expense. Interest-earning assets averaged $719.3 million during 2016, a year-over-year increase of $48.5 million from $670.8 million for 2015. The Company’s average interest-bearing liabilities increased from $529.4 million in 2015 to $554.2 million in 2016.

The profit margin, or spread, on invested funds is a key performance indicator. The Company monitors two key performance indicators — net interest spread and net interest margin. The net interest spread represents the difference between the average rate earned on interest-earning assets and the average rate paid on interest-bearing liabilities. The net interest margin represents the overall profit margin: net interest income as a percentage of total interest-earning assets. This performance indicator gives effect to interest earned for all investable funds including the substantial volume of interest-free funds. For 2016 the net interest margin, measured on a fully taxable equivalent basis, decreased to 3.79%, compared to 3.94% in 2015.

Interest and dividend income Interest income increased $1.4 million to $30.0 million for 2016 which is attributable to a $2.0 million increase in interest and fees on loans. This change was the result of an increase in the average balance of loans receivable, partially offset by a lower yield on the portfolio. The average balance of loans receivable increased by $70.3 million or 14.2% to $565.2 million for the year ended December 31, 2016 as compared to $494.9 million for the year ended December 31, 2015. The loans receivable yield decreased to 4.55% for 2016, from 4.81% in 2015.

Interest on investment securities decreased $0.6 million to $4.0 million for 2016, compared to $4.6 million for 2015. The average balance of investment securities decreased $20.2 million to $131.8 million for the year ended December 31, 2016 as compared to $152.0 million for the year ended December 31, 2015. The investment securities yield increased 7 basis points to 4.18% for 2016, compared to 4.11% for 2015.

Interest expense Interest expense increased $0.4 million or 9.7% to $4.2 million for 2016, compared with $3.8 million for 2015. This change in interest expense can be attributed to an increase in the average balance of interest-bearing liabilities. For the year ended December 31, 2016 the average balance of interest-bearing liabilities increased by $24.8 million to $554.2 million as compared to $529.4 million for the year ended December 31, 2015. Interest incurred on deposits increased by $0.2 million for the year from $3.4 million in 2015 to $3.6 million for year end 2016. The change in deposit expense was due to an increase in the average balance as well as a 4 basis point increase during the year. Interest expense incurred on FHLB advances, repurchase agreements, junior subordinated debt and other borrowings declined 45.2% from 2015. The increase was due to a $24.8 million increase in the average balance.

Loan Loss Provision The provision for loan losses is an operating expense recorded to maintain the related balance sheet allowance for loan and lease losses at an amount considered adequate to cover probable losses incurred in the normal course of lending. The provision for loan losses for the year ended December 31, 2016 was $0.6 million compared to $0.3 million in 2015. The loan loss provision is based upon management's assessment of a variety of factors, including types and amounts of nonperforming loans, historical loss experience, collectability of collateral values and guaranties, pending legal action for collection of loans and related guaranties, and current economic conditions. The loan loss provision reflects management's judgment of the current period cost-of-credit risk inherent in the loan portfolio. Although management believes the loan loss provision has been sufficient to maintain an adequate allowance for loan and lease losses, actual loan losses could exceed the amounts that have been charged to operations. The ratio of the allowance for loan and lease losses to total loans decreased to 1.08% of total loans at December 31, 2016 compared to the 1.20% at December 31, 2015.

59

Noninterest income Noninterest income decreased $0.1 million or 2.1% to $3.9 million for 2016 compared to $4.0 million for 2015. The decrease is due to a decrease in earnings on bank-owned life insurance.

Noninterest expense Operating expenses increased $0.8 million, or 4.0% to $20.9 million for 2016 compared to $20.1 million for 2015. Salaries and benefits and professional fees increased $0.5 million, and $0.2 million, or 5.1%, and 15.6%, respectively. The salaries increased as a result of the addition of key people and pay increases. The primary driver of increase in other expense was an increase in miscellaneous loan expense. Advertising expense increased as a result of strategic branding efforts. These were partially offset by an increase in gain on other real estate owned of $0.4 million.

Provision for Income Taxes The provision for income taxes increased by $0.3 million, or 22.0%, to $1.9 million for 2016 from $1.6 million for 2015. The Company’s effective federal income tax rate in 2016 was 22.9% compared to 18.5% in 2015.

Asset and Liability Management

The primary objective of the Company’s asset and liability management function is to maximize net interest income while maintaining an acceptable level of interest rate risk given the Company’s operating environment, capital and liquidity requirements, performance objectives and overall business focus. The principal determinant of the exposure of the Company’s earnings to interest rate risk is the timing difference between the re-pricing or maturity of interest-earning assets and the re-pricing or maturity of its interest-bearing liabilities. The Company’s asset and liability management policies are designed to decrease interest rate sensitivity primarily by shortening the maturities of interest-earning assets while at the same time extending the maturities of interest-bearing liabilities. The Board of Directors of the Company continues to believe in a strong asset/liability management process in order to insulate the Company from material and prolonged increases in interest rates.

The Company’s Board of Directors has established an Asset and Liability Management Committee consisting of outside directors and senior management. This committee, which meets quarterly, generally monitors asset and liability management policies and strategies.

Interest Rate Sensitivity Simulation Analysis

The Company uses income simulation modeling to measure interest rate risk and manage interest rate sensitivity. The Asset and Liability Management Committee believes the various rate scenarios of the simulation modeling enables the Company to more accurately evaluate and manage the exposure of interest rate fluctuations on net interest income, the yield curve, loan prepayments, and deposit decay assumptions.

Earnings simulation modeling and assumptions about the timing and volatility of cash flows are critical in net portfolio equity valuation analysis. Particularly important are the assumptions driving mortgage prepayments and expected attrition of the core deposit portfolios. These assumptions are based on the Company’s historical experience and industry standards and are applied consistently across all rate risk measures.

The Company has established the following guidelines for assessing interest rate risk:

Net interest income simulation- Given a 200 basis point parallel gradual increase or decrease in market interest rates, net interest income may not change by more than 10% for a one-year period. Given a 100 basis point parallel gradual decrease in market interest rates, net interest income may not change by more than 10% for a one-year period.

Portfolio equity simulation- Portfolio equity is the net present value of the Company’s existing assets and liabilities. Given a 200 basis point immediate and permanent increase in market interest rates, portfolio equity may not correspondingly decrease or increase by more than 20% of stockholders’ equity. Given a 100 basis point immediate and permanent decrease in market interest rates, portfolio equity may not correspondingly decrease or increase by more than 10% of stockholders’ equity.

60

The following table presents the simulated impact of a 200 basis point upward or 100 basis point downward shift of market interest rates on net interest income and the change in portfolio equity. This analysis was done assuming the interest-earning asset and interest-bearing liability levels at December 31, 2017 remained constant. The impact of the market rate movements was developed by simulating the effects of rates changing gradually from the December 31, 2017 levels for net interest income and portfolio equity. The impact of market rate movements was developed by simulating the effects of an immediate and permanent change in rates at December 31, 2017 for portfolio equity:

	Increase			Decrease
	200 Basis Points			100 Basis Points
Net interest income - decrease		(1.1	)%		(2.3	)%
Portfolio equity - decrease		13.5	%		(21.3	)%

Liquidity and Capital Resources

Liquidity. Liquidity management involves monitoring the ability to meet the cash flow needs of bank customers, such as borrowings or deposit withdrawals, as well as the Company’s own financial commitments. The principal sources of liquidity are net income, loan payments, maturing and principal reductions on securities and sales of securities available for sale, federal funds sold and cash and deposits with banks. Along with its liquid assets, the Company has additional sources of liquidity available to ensure adequate funds are available as needed. These include, but are not limited to, the purchase of federal funds, the ability to borrow funds under line of credit agreements with correspondent banks, a borrowing agreement with the Federal Home Loan Bank of Cincinnati, Ohio and the adjustment of interest rates to obtain deposits. Management believes the Company has the capital adequacy, profitability and reputation to meet the current and projected needs of its customers.

Liquidity is managed based on factors including core deposits as a percentage of total deposits, the degree of funding source diversification, the allocation and amount of deposits among deposit types, the short-term funding sources used to fund assets, the amount of non-deposit funding used to fund assets, the availability of unused funding sources, off-balance sheet obligations, the availability of assets readily converted to cash without undue loss, the amount of cash and liquid securities we hold, and the re-pricing characteristics and maturities of our assets when compared to the re-pricing characteristics of our liabilities and other factors.

The Company's liquid assets consist of cash and cash equivalents, which include investments in very short-term investments (i.e., federal funds sold), and investment securities classified as available for sale. The level of these assets is dependent on the Company's operating, investing, and financing activities during any given period. At December 31, 2017, cash and cash equivalents totaled $39.9 million or 3.6% of total assets while investment securities classified as available for sale totaled $95.3 million or 8.6% of total assets. Management believes that the liquidity needs of the Company are satisfied by the current balance of cash and cash equivalents, readily available access to traditional funding sources, FHLB advances, junior subordinated debt, and the portion of the investment and loan portfolios that mature within one year. These sources of funds will enable the Company to meet cash obligations and off-balance sheet commitments as they come due.

Operating activities provided net cash of $14.1 million, $7.8 million, and $7.2 million for 2017, 2016, and 2015, respectively, generated principally from net income of $9.5 million, $6.4 million, and $6.9 million in each of these respective periods.

Investing activities used $95.4 million which consisted primarily of investment activity, loan originations, and acquisition activity. The cash usages primarily consisted of loan increases of $119.9 million and investment purchases of $3.1 million. Cash provided in relation to the Liberty acquisition was $5.4 million for the year ended December 31, 2017. Partially offsetting the usage are proceeds from repayments and maturities and proceeds from sale of securities of $14.9 million and $6.5 million, respectively. For the same period ended 2016, investing activities used $45.9 million which consisted primarily of investment activity and loan originations. The cash usages primarily consisted of loan increases of $76.2 million and investment purchases of $1.7 million. Partially offsetting the usage are proceeds from repayments and maturities and proceeds from sale of securities of $23.2 million and $9.1 million, respectively. For the same period ended 2015, investing activities used $59.4 million which consisted primarily of investment activity and loan originations. The cash usages primarily consisted of loan increases of $63.9 million and investment purchases of $21.9 million. Partially offsetting the usage are proceeds from repayments and maturities and proceeds from sale of securities of $13.5 million and $15.7 million, respectively.

Financing activities consist of the solicitation and repayment of customer deposits, borrowings and repayments and the payment of dividends. During 2017, net cash provided by financing activities totaled $88.7 million, principally derived from increases in deposit accounts, proceeds from other borrowings, and the issuance of common stock of $50.2 million, $30.0 million, and $15.2 million, respectively. Partially offsetting the proceeds are repayments of other borrowings and the payment of cash dividends of $10.4 million and $3.4 million, respectively. During 2016, net cash provided by financing activities totaled $46.9 million, principally derived from increases in short-term borrowings and the issuance of common stock of $32.5 million and $11.2 million, respectively, and partially offset by $2.3 million in cash dividends. During 2015, net cash provided by financing activities totaled $50.4 million, principally derived from increases in deposit accounts and short-term borrowings of $38.3 million and $21.0 million, respectively, and partially offset by treasury stock purchase of $6.8 million and $2.2 million in cash dividends.

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Liquidity may be adversely affected by many circumstances, including unexpected deposit outflows and increased draws on lines of credit. Management monitors projected liquidity needs and determines the desirable level based in part on the Company's commitment to make loans and management's assessment of the Company's ability to generate funds. The Company anticipates having sufficient liquidity to satisfy estimated short and long-term funding needs.

Capital Resources. The Company's primary source of capital is retained earnings. Historically, the Company has generated net retained income to support normal growth and expansion. Management has developed a capital planning policy to not only ensure regulatory compliance but capital adequacy for future expansion.

Market Price of and Dividends on the Registrant's Common Equity and Related Stockholder Matters

The Company had approximately 1,057 stockholders of record as of December 31, 2017. The Company’s common stock is traded and authorized for quotation on NASDAQ under the symbol “MBCN.”

The following table shows the high and low bid prices of and cash dividends paid on the Company’s common stock in 2017 and 2016, adjusted for stock splits and stock dividends. This information does not reflect retail mark-up, markdown or commissions, and does not necessarily represent actual transactions.

					Cash Dividends
	High Bid		Low Bid		per share
2017
First Quarter	$	46.00	$	38.40	$	0.27
Second Quarter	$	54.60	$	43.60	$	0.27
Third Quarter	$	50.75	$	42.10	$	0.27
Fourth Quarter	$	50.50	$	42.95	$	0.27
2016
First Quarter	$	34.39	$	31.50	$	0.27
Second Quarter	$	33.00	$	31.19	$	0.27
Third Quarter	$	34.25	$	31.66	$	0.27
Fourth Quarter	$	39.00	$	33.50	$	0.27

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MANAGEMENT’S ANNUAL REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Management of the Company is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act. The Company’s internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

A material weakness is a significant deficiency (as defined in Public Company Accounting Oversight Board Auditing Standard No. 5), or a combination of significant deficiencies, that results in there being more than a remote likelihood that a material misstatement of the annual or interim financial statements will not be prevented or detected on a timely basis by management or employees in the normal course by management or employees in the normal course of performing their assigned functions.

Management assessed the effectiveness of the Company’s internal control over financial reporting as of December 31, 2017. In making this assessment, management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control-Integrated Framework (2013). Based on this assessment, management believes that, as of December 31, 2017, the Company’s internal control over financial reporting was effective.

The Company’s independent registered public accounting firm, S.R. Snodgrass, P.C., that audited the consolidated financial statements has issued an audit report on the effective operation of the Company’s internal control over financial reporting as of December 31, 2017.

/s/ Thomas G. Caldwell

By: Thomas G. Caldwell

President and Chief Executive Officer

(Principal Executive Officer)

Date: March 7, 2018

/s/ Donald L. Stacy

By: Donald L. Stacy

Treasurer

(Principal Financial & Accounting Officer)

Date: March 7, 2018

63

EX-21

Exhibit 21

Middlefield Banc Corp. Subsidiaries

1 The Middlefield Banking Company (“MBC”), an Ohio-chartered commercial bank that began operations in 1901. MBC engages in a general commercial banking business in northeastern and central Ohio. The principal executive office is located at 15985 East High Street, Middlefield, Ohio 44062-0035.

2 On October 23, 2009 Middlefield received from the Federal Reserve Bank of Cleveland approval to establish an asset resolution subsidiary. Organized as an Ohio corporation under the name EMORECO, Inc. and wholly owned by Middlefield Banc Corp, the purpose of the asset resolution subsidiary is to maintain, manage, and ultimately dispose of nonperforming loans and real estate acquired by subsidiary banks as the result of borrower default on real estate-secured loans.

EX-23

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statements File No. 333-213889 on Form S-4 and Form S-4/A; File Nos. 333-213607 and 333-219313 on Form S-3; File Nos. 333-153059 and 333-218859 on Form S-8 and Form S-8POS; File No. 333-183497 on Form S-3D and Form S-3DPOS; and File No. 333-183497 on Form S-3D and Form S-3DPOS effective September 13, 2012, of Middlefield Banc Corp. of our report dated March 7, 2018, relating to our audit of the consolidated financial statements, which appears in the Annual Report to Shareholders, which is incorporated in this Annual Report on Form 10-K of Middlefield Banc Corp. for the year ended December 31, 2017.

/s/S.R. Snodgrass, P.C.

Cranberry Township, Pennsylvania

March 7, 2018

EX-31.1

Exhibit 31.1

Certification of Principal Executive Officer

I, Thomas G. Caldwell, certify that:

1. I have reviewed this annual report on Form 10-K of Middlefield Banc Corp.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: March 7, 2018	/s/ Thomas G. Caldwell
	Thomas G. Caldwell.
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification of Principal Financial and Accounting Officer

I, Donald L. Stacy, certify that:

1. I have reviewed this annual report on Form 10-K of Middlefield Banc Corp.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: March 7, 2018	/s/ Donald L. Stacy
	Donald L. Stacy
	Principal Financial and Accounting Officer

EX-32

Exhibit 32

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Middlefield Banc Corp. (the “Company”) on Form 10-K for the period ending December 31, 2017 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Thomas G. Caldwell, President, and Donald L. Stacy, Chief Financial Officer, certify, pursuant to 18 U.S.C., Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Thomas G. Caldwell	/s/ Donald L. Stacy
Thomas G. Caldwell	Donald L. Stacy
President and Chief Executive Officer	Principal Financial and Accounting Officer

Date: March 7, 2018

A signed original of this written statement required by Section 906 has been provided to Middlefield Banc Corp. and will be retained by Middlefield Banc Corp. and furnished to the Securities and Exchange Commission or its staff upon request

XML

Document And Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Mar. 07, 2018	Jun. 30, 2017
Document Information [Line Items]
Entity Registrant Name	Middlefield Banc Corp.
Entity Central Index Key	0000836147
Trading Symbol	mbcn
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		3,605,906
Entity Public Float			$ 151.2
Document Type	10-K
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false

XML

Consolidated Balance Sheet - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and due from banks		$ 39,886	$ 31,395
Federal funds sold			1,100
Cash and cash equivalents		39,886	32,495
Investment securities available for sale, at fair value		95,283	114,376
Loans held for sale		463	634
Loans		923,213	609,140
Less allowance for loan and lease losses		7,190	6,598
Net loans		916,023	602,542
Premises and equipment, net		11,853	11,203
Goodwill		15,071	4,559
Core deposit intangibles		2,749	36
Bank-owned life insurance		15,652	13,540
Other real estate owned		212	934
Accrued interest receivable and other assets		9,144	7,502
TOTAL ASSETS		1,106,336	787,821
LIABILITIES
Noninterest-bearing demand		192,438	133,630
Interest-bearing demand		83,990	59,560
Money market		150,277	74,940
Savings		208,502	172,370
Time		242,987	189,434
Total deposits		878,194	629,934
Short-term borrowings		74,707	68,359
Other borrowings		29,065	9,437
Accrued interest payable and other liabilities		4,507	3,131
TOTAL LIABILITIES		986,473	710,861
STOCKHOLDERS' EQUITY
Common stock, no par value; 10,000,000 shares authorized, 3,603,881 and 2,640,418 shares issued; 3,217,716 and 2,254,253 shares outstanding		84,859	47,943
Retained earnings		47,431	41,334
Accumulated other comprehensive income	[1]	1,091	1,201
Treasury stock, at cost; 386,165 shares		(13,518)	(13,518)
TOTAL STOCKHOLDERS' EQUITY		119,863	76,960
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY		$ 1,106,336	$ 787,821

[1] All amounts are net of tax. Amounts in parentheses indicate debits to accumulated other comprehensive income.

XML

Consolidated Balance Sheet (Parentheticals) - $ / shares $ / shares in Thousands	Dec. 31, 2017	Dec. 31, 2016
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	3,603,881	2,640,418
Common stock, shares outstanding (in shares)	3,217,716	2,254,253
Treasury stock, shares (in shares)	386,165	386,165

XML

Consolidated Statement of Income - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
INTEREST AND DIVIDEND INCOME
Interest and fees on loans	$ 40,235,000	$ 25,798,000	$ 23,824,000
Interest-bearing deposits in other institutions	328,000	53,000	33,000
Federal funds sold	15,000	20,000	13,000
Investment securities:
Taxable interest	762,000	1,106,000	1,467,000
Tax-exempt interest	2,406,000	2,913,000	3,160,000
Dividends on stock	249,000	104,000	98,000
Total interest and dividend income	43,995,000	29,994,000	28,595,000
INTEREST EXPENSE
Deposits	5,350,000	3,618,000	3,426,000
Short-term borrowings	753,000	322,000	194,000
Other borrowings	544,000	250,000	200,000
Total interest expense	6,647,000	4,190,000	3,820,000
NET INTEREST INCOME	37,348,000	25,804,000	24,775,000
Provision for loan losses	1,045,000	570,000	315,000
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	36,303,000	25,234,000	24,460,000
NONINTEREST INCOME
Service charges on deposit accounts	1,875,000	1,940,000	1,874,000
Investment securities gains, net	886,000	303,000	323,000
Earnings on bank-owned life insurance	431,000	403,000	624,000
Gain on sale of loans	826,000	419,000	329,000
Other income	841,000	894,000	894,000
Total noninterest income	4,859,000	3,959,000	4,044,000
NONINTEREST EXPENSE
Salaries and employee benefits	13,758,000	10,249,000	9,751,000
Occupancy expense	1,846,000	1,252,000	1,253,000
Equipment expense	1,050,000	991,000	944,000
Data processing costs	1,792,000	1,335,000	1,071,000
Ohio state franchise tax	744,000	632,000	300,000
Federal deposit insurance expense	533,000	438,000	472,000
Professional fees	1,752,000	1,441,000	1,247,000
Net loss (gain) on other real estate owned	30,000	(119,000)	563,000
Advertising expense	821,000	734,000	721,000
Core deposit intangible amortization	374,000	40,000	40,000
Merger expense	1,060,000
Other expense	3,725,000	3,879,000	3,715,000
Total noninterest expense	27,485,000	20,872,000	20,077,000
Income before income taxes	13,677,000	8,321,000	8,427,000
Income taxes	4,222,000	1,905,000	1,562,000
NET INCOME	$ 9,455,000	$ 6,416,000	$ 6,865,000
EARNINGS PER SHARE
Basic (in dollars per share)	$ 3.12	$ 3.04	$ 3.41
Diluted (in dollars per share)	3.10	3.03	3.39
DIVIDENDS DECLARED PER SHARE (in dollars per share)	$ 1.08	$ 1.08	$ 1.07

XML

Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income		$ 9,455	$ 6,416	$ 6,865
Other comprehensive loss:
Net unrealized holding gain (loss) on available- for-sale investment securities		719	(1,505)	91
Tax effect		(244)	511	(31)
Reclassification adjustment for investment securities gains included in net income		(886)	(303)	(323)
Tax effect		301	103	110
Total other comprehensive loss	[1]	(110)	(1,194)	(153)
Comprehensive income		$ 9,345	$ 5,222	$ 6,712

[1] All amounts are net of tax. Amounts in parentheses indicate debits to accumulated other comprehensive income.

XML

Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2014	2,242,025
Balance at Dec. 31, 2014	$ 35,529	$ 32,524	$ 2,548	$ (6,734)	$ 63,867
Net income		6,865			6,865
Other comprehensive loss			(153)		(153)
Purchase of treasury stock (196,635 shares)				(6,784)	(6,784)
Dividend reinvestment and purchase plan (in shares)	20,393
Dividend reinvestment and purchase plan	$ 651				651
Stock options exercised (in shares)	400
Stock options exercised	$ (7)				(7)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	585
Stock-based compensation expense	$ 18				18
Cash dividends		(2,153)			(2,153)
Balance (in shares) at Dec. 31, 2015	2,263,403
Balance at Dec. 31, 2015	$ 36,191	37,236	2,395	(13,518)	62,304
Net income		6,416			6,416
Other comprehensive loss			(1,194)		(1,194)
Dividend reinvestment and purchase plan (in shares)	15,300
Dividend reinvestment and purchase plan	$ 519				$ 519
Stock options exercised (in shares)					500
Stock options exercised	$ (6)				$ (6)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	900
Stock-based compensation expense	$ 29				29
Cash dividends		(2,318)			(2,318)
Common stock issuance, net of issuance cost (in shares)	360,815
Common stock issuance, net of issuance cost	$ 11,210				$ 11,210
Balance (in shares) at Dec. 31, 2016	2,640,418				2,254,253
Balance at Dec. 31, 2016	$ 47,943	41,334	1,201	(13,518)	$ 76,960
Net income		9,455			9,455
Other comprehensive loss			(110)		(110)
Dividend reinvestment and purchase plan (in shares)	11,721
Dividend reinvestment and purchase plan	$ 540				$ 540
Stock options exercised (in shares)	7,301				8,237
Stock options exercised	$ 184				$ 184
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	823
Stock-based compensation expense	$ 33				33
Cash dividends		(3,358)			(3,358)
Common stock issuance, net of issuance cost (in shares)	399,008
Common stock issuance, net of issuance cost	$ 15,164				15,164
Common stock issued in business combination (in shares)	544,610
Common stock issued in business combination	$ 20,995				$ 20,995
Balance (in shares) at Dec. 31, 2017	3,603,881				3,217,716
Balance at Dec. 31, 2017	$ 84,859	$ 47,431	$ 1,091	$ (13,518)	$ 119,863

XML

Consolidated Statement of Changes in Stockholders' Equity (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Treasury Stock [Member]
Purchase of treasury stock (in shares)			196,635
Retained Earnings [Member]
Cash dividends per share (in dollars per share)	$ 1.08	$ 1.08	$ 1.07
Common Stock [Member]
Common stock, issuance cost	$ 760	$ 697
Cash dividends per share (in dollars per share)	$ 1.08	$ 1.08	$ 1.07

XML

Consolidated Statement of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
OPERATING ACTIVITIES
Net income	$ 9,455,000	$ 6,416,000	$ 6,865,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,045,000	570,000	315,000
Investment securities gains, net	(886,000)	(303,000)	(323,000)
Depreciation and amortization of premises and equipment, net	1,291,000	1,026,000	973,000
Amortization of premium and discount on investment securities, net	451,000	119,000	669,000
Accretion of deferred loan fees, net	(451,000)	(245,000)	(603,000)
Amortization of core deposit intangibles	374,000	40,000	40,000
Stock-based compensation expense	33,000	29,000	18,000
Origination of loans held for sale	(10,020,000)	(19,736,000)	(17,889,000)
Proceeds from sale of loans	10,482,000	20,628,000	17,549,000
Gain on sale of loans	(291,000)	(419,000)	(329,000)
Origination of student loans held for sale	(365,674,000)
Proceeds from sale of student loans	372,162,000
Gain on sale of student loans	(535,000)
Earnings on bank-owned life insurance	(431,000)	(403,000)	(624,000)
Deferred income taxes	293,000	(93,000)	558,000
Net (gain) loss on other real estate owned	30,000	(119,000)	563,000
Increase in accrued interest receivable	(422,000)	(39,000)	(292,000)
Increase in accrued interest payable	136,000		80,000
Other, net	(3,122,000)	330,000	(388,000)
Net cash provided by operating activities	13,920,000	7,801,000	7,182,000
INVESTING ACTIVITIES
Proceeds from repayments and maturities	14,899,000	23,201,000	13,497,000
Proceeds from sale of securities	6,474,000	9,063,000	15,686,000
Purchases	(3,080,000)	(1,744,000)	(21,946,000)
Increase in loans, net	(119,866,000)	(76,199,000)	(63,937,000)
Proceeds from the sale of other real estate owned	2,196,000	1,607,000	1,762,000
Purchase of bank-owned life insurance			(4,000,000)
Purchase of premises and equipment	(1,201,000)	(2,166,000)	(507,000)
Purchase of restricted stock	(899,000)	(317,000)
Redemption of restricted stock	795,000
Proceeds from bank-owned life insurance		575,000
Acquisition, net of cash paid	5,431,000
Net cash used in investing activities	(95,251,000)	(45,980,000)	(59,445,000)
FINANCING ACTIVITIES
Net increase in deposits	50,216,000	5,487,000	38,335,000
Increase in short-term borrowings, net	6,348,000	32,534,000	21,017,000
Repayment of other borrowings	(10,372,000)	(502,000)	(685,000)
Proceeds from other borrowings	30,000,000
Proceeds from common stock issued	15,164,000	11,210,000
Stock options exercised	184,000	(6,000)	(7,000)
Proceeds from dividend reinvestment and purchase plan	540,000	519,000	651,000
Purchase of treasury stock			(6,784,000)
Cash dividends	(3,358,000)	(2,318,000)	(2,153,000)
Net cash provided by financing activities	88,722,000	46,924,000	50,374,000
Increase (decrease) in cash and cash equivalents	7,391,000	8,745,000	(1,889,000)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	32,495,000	23,750,000	25,639,000
CASH AND CASH EQUIVALENTS AT END OF YEAR	39,886,000	32,495,000	23,750,000
Cash paid during the year for:
Interest on deposits and borrowings	6,511,000	4,190,000	3,740,000
Income taxes	5,705,000	1,335,000	800,000
Noncash investing transactions:
Loans to facilitate the sale of other real estate owned		63,000
Transfers from loans to other real estate owned	1,179,000	720,000	638,000
Life insurance proceeds not yet received from insurance company			575,000
Common stock issued in business acquisition	20,995,000
Liabilities assumed
Cash and cash equivalents acquired, net	5,431,000
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]
INVESTING ACTIVITIES
Acquisition, net of cash paid	5,431,000
Noncash assets acquired
Loans	195,388,000
Loans held for sale	5,953,000
Premises and equipment, net	325,000
Accrued interest receivable	440,000
Bank-owned life insurance	1,681,000
Core deposit intangible	3,087,000
Other assets	997,000
Goodwill	10,512,000
Total noncash assets acquired	218,383,000
Liabilities assumed
Time deposits	(30,744,000)
Deposits other than time deposits	(167,300,000)
Accrued interest payable	(47,000)
Deferred taxes	(906,000)
Other liabilities	(2,754,000)
Total liabilities assumed	(201,751,000)
Liberty stock acquired in business combination	(1,068,000)
Net noncash assets acquired	15,564,000
Cash and cash equivalents acquired, net	$ 5,431,000

XML

Note 1 - Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Significant Accounting Policies [Text Block]

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

A summary of the significant accounting and reporting policies applied in the presentation of the accompanying financial statements follows:

Nature of Operations and Basis of Presentation

Middlefield Banc Corp. (the “Company”) is an Ohio corporation organized to become the holding company of The Middlefield Banking Company (“MBC”). MBC is a state-c

hartered bank located in Ohio. On

October 23, 2009,

the Company established an asset resolution subsidiary named EMORECO, Inc. The Company and its subsidiaries derive substantially all of their income from banking and bank-related services, which includes interest earnings on residential real estate, commercial mortgage, commercial and consumer financings as well as interest earnings on investment securities and deposit services to its customers through

fourteen

full-service locations. The Company is supervised by the Board of Governors of the Federal Reserve System, while MBC is subject to regulation and supervision by the Federal Deposit Insurance Corporation and the Ohio Division of Financial Institutions.

The consolidated financial statements of the Company include its wholly

owned subsidiaries, MBC and EMORECO, Inc. Significant intercompany items have been eliminated in preparing the consolidated financial statements.

On

January 12, 2017,

the Company completed its acquisition of Liberty, pursuant to a previously announced definitive merger agreement. Under the terms of the merger agreement, Liberty shareholders received

$37.96

in cash or

1.1934

shares of the Company

’s common stock in exchange for each share of Liberty common stock they owned immediately prior to the merger. The Company issued

544,610

shares of its common stock in the merger and the aggregate merger consideration was approximately

$42.2

million. Upon closing, Liberty was merged into MBC, and its

three

full-service bank offices, in Twinsburg in northern Summit County and in Beachwood and Solon in eastern Cuyahoga County, became offices of MBC. The systems integration of Liberty into MBC was completed in

February, 2017.

The financial statements have been pr

epared in conformity with U.S. Generally Accepted Accounting Principles. In preparing the financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the balance sheet date and revenues and expenses for the period. Actual results could differ from those estimates.

Investment Securities

Investment securities are classified at the time of purchase, based on management

’s intention and ability, as securities held to maturity or securities available for sale. Debt securities acquired with the intent and ability to hold to maturity are stated at cost adjusted for amortization of premium and accretion of discount, which are computed using a level yield method and recognized as adjustments of interest income. Certain other debt securities have been classified as available for sale to serve principally as a source of liquidity. Unrealized holding gains and losses for available-for-sale securities are reported as a separate component of stockholders’ equity, net of tax, until realized. Realized security gains and losses are computed using the specific identification method. Interest and dividends on investment securities are recognized as income when earned.

Securities are evaluated on at least a quarterly basis and more frequently when economic or market conditions warrant such an evaluation to determine whether a decline in their value is other than temporary. For debt securities, management considers whether the present value of cash flows expected to be collected are less than the security

’s amortized cost basis (the difference defined as the credit loss), the magnitude and duration of the decline, the reasons underlying the decline and the Bank’s intent to sell the security or whether it is more likely than

not

that the Bank would be required to sell the security before its anticipated recovery in market value, to determine whether the loss in value is other than temporary. Once a decline in value is determined to be other than temporary, if the Bank does

not

intend to sell the security, and it is more likely than

not

that it will

not

be required to sell the security, before recovery of the security’s amortized cost basis, the charge to earnings is limited to the amount of credit loss. Any remaining difference between fair value and amortized cost (the difference defined as the non-credit portion) is recognized in other comprehensive income, net of applicable taxes. Otherwise, the entire difference between fair value and amortized cost is charged to earnings. For equity securities where the fair value has been significantly below cost for

one

year, the Bank’s policy is to recognize an impairment loss unless sufficient evidence is available that the decline is

not

other than temporary and a recovery period can be predicted.

Restricted Stock

Common stock of the Federal Home Loan Bank (“FHLB”) represents ownership in an institution that is wholly owned by other financial institutions. This equity security is accounted for at cost and classified with other assets.

The FHLB of Cincinnati has reported profits for

2017

and

2016,

remains in compliance with regulatory capital and liquidity requirements, and continues to pay dividends on the stock and make redemptions at the par value. With consideration given to these factors, management concluded that the stock was

not

impaired at

December 31, 2017

or

2016.

Mortgage Banking Activities

Mortgage loans originated and intended for sale in the secondary market are carried at fair value. The

Bank sells the loans on a servicing retained basis. Servicing rights are initially recorded at fair value with the income statement effect recorded in gains on sales of loans. The Bank measures servicing assets using the amortization method. Fair value is based on market prices for comparable mortgage servicing contracts, when available, or alternatively, is based on a valuation model that calculates the present value of estimated future net servicing income. Loan servicing rights are amortized in proportion to and over the period of estimated net future servicing revenue. The expected period of the estimated net servicing income is based in part on the expected prepayment of the underlying mortgages. The unamortized balance of mortgage servicing rights is included in accrued interest and other assets on the Consolidated Balance Sheet.

Mortgage servicing rights

are periodically evaluated for impairment. Impairment represents the excess of amortized cost over its estimated fair value. Impairment is determined by stratifying rights into tranches based on predominant risk characteristics, such as interest rate and original time to maturity. Any impairment is reported as a valuation allowance for an individual tranche. If the Company later determines that all or a portion of the impairment

no

longer exists for a particular grouping, a reduction of the allowance will be recorded as an increase to income.

Servicing fee income is recorded for fees earned for servicing loans. The fees are based on a contractual percentage of outstanding principal and are recorded as income when earned. The amortization of mortgage servicing rights is netted against loan servicing fee income.

Late fees and ancillary fees related to loan servicing are

not

material. The Bank is servicing loans for others in the amount of

$50.4

million and

$39.9

million at

December 31, 2017

and

2016,

respectively.

Loans

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff generally are reported at their outstanding unpaid principal balances net of the allowance for loan

and lease losses. Interest income is recognized as income when earned on the accrual method. The accrual of interest is discontinued on a loan when management believes, after considering economic and business conditions, the borrower’s financial condition is such that collection of interest is doubtful. Interest received on nonaccrual loans is recorded as income or applied against principal according to management’s judgment as to the collectability of such principal.

Loan origination fees and certain direct loan origination costs

are being deferred and the net amount amortized as an adjustment of the related loan’s yield. Management is amortizing these amounts over the contractual life of the related loans.

Allowance for Loan

and Lease

Losses

The allowance for loan

and lease losses represents the amount which management estimates is adequate to provide for probable loan losses inherent in the loan portfolio. The allowance method is used in providing for loan losses. Accordingly, all loan losses are charged to the allowance, and all recoveries are credited to it. The allowance for loan and lease losses is established through a provision for loan losses which is charged to operations. The provision is based on management’s periodic evaluation of the adequacy of the allowance for loan and lease losses, which encompasses the overall risk characteristics of the various portfolio segments, past experience with losses, the impact of economic conditions on borrowers, and other relevant factors. The estimates used in determining the adequacy of the allowance for loan and lease losses, including the amounts and timing of future cash flows expected on impaired loans, are particularly susceptible to significant change in the near term.

A loan is considered impaired when it is probable the borrower will

not

repay the loan according to the original contractual terms of the loan agreement. Management has determined that

first

mortgage loans on

one

-to-

four

family properties and all consumer loans represent large groups of smaller-balance homogeneous loans that are to be collectively evaluated. Loans that experience insignificant payment delays, which are defined as

90

days or less, generally are

not

classified as impaired. A loan is

not

impaired during a period of delay in payment if the Company expects to collect all amounts due, including interest accrued, at the contractual interest rate for the period of delay. All loans identified as impaired are evaluated independently by management. The Company estimates credit losses on impaired loans based on the present value of expected cash flows or the fair value of the underlying collateral if the loan repayment is expected to come from the sale or operation of such collateral. Impaired loans, or portions thereof, are charged off when it is determined a realized loss has occurred. Until such time, an allowance for loan

and lease losses is maintained for estimated losses. Cash receipts on impaired loans are applied

first

to accrued interest receivable unless otherwise required by the loan terms, except when an impaired loan is also a nonaccrual loan, in which case the portion of the payment related to interest is used to reduce principal.

Mortgage loans secured by

one

-to-

four

family properties and all consumer loa

ns are large groups of smaller-balance homogeneous loans and are measured for impairment collectively. Management determines the significance of payment delays on a case-by-case basis, taking into consideration all circumstances concerning the loan, the creditworthiness and payment history of the borrower, the length of the payment delay, and the amount of shortfall in relation to the principal and interest owed.

Loans Acquired

Loans acquired including loans that have evidence of deterioration of credit quality since origination and for which it is probable, at acquisition, that the Company will be unable to collect all contractually required payments receivable, are initially recorded at fair value (as determined by the present value of expected future cash flows) with

no

valuation allowance. Loans are evaluated individually to determine if there is evidence of deterioration of credit quality since origination. The difference between the undiscounted cash flows expected at acquisition and the investment in the loan, or the “accretable yield,” is recognized as interest income on a level-yield method over the life of the loan. Contractually required payments for interest and principal that exceed the undiscounted cash flows expected at acquisition, or the “non-accretable difference,” are

not

recognized as a yield adjustment or as a loss accrual or a valuation allowance. Increases in expected cash flows subsequent to the initial investment are recognized prospectively through adjustment of the yield on the loan over its remaining estimated life. Decreases in expected cash flows are recognized immediately as impairment. Any valuation allowances on these impaired loans reflect only losses incurred after acquisition.

For purchased loans acquired that are

not

deemed impaired at acquisition, credit discounts representing the principal losses expected over the life of the loan are a component of the initial fair value. Loans are aggregated and accounted for as a pool of loans if the loans being aggregated have common risk characteristics. Subsequent to the purchase date, the methods utilized to estimate the required allowance for credit losses for these loans is similar to originated loans; however, the Company records a provision for loan losses only when the required allowance exceeds any remaining credit discounts. The remaining differences between the purchase price and the unpaid principal balance at the date of acquisition are recorded in interest income over the life of the loans.

Premises and Equipment

Land is carried at cost.

Premises and equipment are stated at cost net of accumulated depreciation. Depreciation is computed on the straight-line method over the estimated useful lives of the assets, which range from

3

to

20

years for furniture, fixtures, and equipment and

3

to

40

years for buildings and leasehold improvements. Expenditures for maintenance and repairs are charged against income as incurred. Costs of major additions and improvements are capitalized.

Goodwill

The Company accounts for goodwill using a

three

-step process for testing the impairment of goodwill on at least an annual basis. This approach could cause more volatility in the Company’s reported net income because impairment losses, if any, could occur irregularly and in varying amounts.

No

impairment of goodwill was recognized in any of the periods presented.

Intangible Assets

Intangible assets include core deposit intangibles, which are a measure of the value of consumer demand and savings deposits acquired in business combinations

accounted for as purchases. The core deposit intangibles are being amortized to their estimated residual values over their expected useful lives, commonly of

ten

years. The recoverability of the carrying value of intangible assets is evaluated on an ongoing basis, and permanent declines in value, if any, are charged to expense.

Bank-Owned Life Insurance (“BOLI”)

The Company owns insurance on the lives of a certain group of key employees. The policies were purchased to help offset the increase in the costs of various fringe benefit plans including healthcare. The cash surrender value of these policies is included as an asset on the Consolidated Balance Sheet and any increases in the cash surrender value are recorded as noninterest income on the Consolidated Statement of Income. In the event of the death of an insured individual under these policies, the Company would receive a death benefit, which would be recorded as noninterest income.

Other Real Estate Owned

Real estate properties acquired through foreclosure are initially recorded at fair value at the date of foreclosure, establishing a new cost basis. After foreclosure, management periodically performs valuations and the real estate is carried at the lower of cost or fair value less estimated cost to sell. Revenue and expenses from operations of the properties, gains or losses on sales and additions to the valuation allowance are included in operating results.

Income Taxes

The Company and its subsidiaries file a consolidated federal income tax return. Deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which the deferred tax assets or liabilities are expected to be realized or settled. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes.

Earnings Per Share

The Company provides dua

l presentation of basic and diluted earnings per share. Basic earnings per share is calculated utilizing net income as reported in the numerator and average shares outstanding in the denominator. The computation of diluted earnings per share differs in that the dilutive effects of any stock options, warrants, and convertible securities are adjusted in the denominator.

Stock-Based Compensation

The Company accounts for stock compensation based on the grant date fair value of all share-based payment awards that are expected to vest, including employee share options to be recognized as employee compensation expense over the requisite service period.

Compensation cost is recognized for restricted stock units issued to employees based on the fair value of these awards at the date of grant. The market price of the Company

’s common shares at the date of grant is used to estimate the fair value of restricted stock units and stock awards. Compensation cost is recognized over the required service period, generally defined as the vesting period, and is recorded in "Salaries" expense. (See Note

14

-Employee Benefits)

Cash Flow Information

The Company has defined cash and cash equivalents as those amounts included in the Consolidated Balance Sheet captions as “Cash and due from banks” and “Federal funds sold” with original maturities of less than

90

days.

Advertising Costs

Advertising costs are expensed as incurred.

Reclassification of Comparative Amounts

Certain comparative amounts for prior years have been reclassified to conform to current-year presentations. Such reclassifications did

not

affect net income or retained earnings.

Recent Accounting Pronouncements:

In

May

 

2014,

the FASB issued ASU

2014

-

09,

Revenue from Contracts with Customers (a new revenue recognition standard). The Update’s core principle is that a company will recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In addition, this Update specifies the accounting for certain costs to obtain or fulfill a contract with a customer and expands disclosure requirements for revenue recognition. This Update is effective for annual reporting periods beginning after

December 

15,

2016,

including interim periods within that reporting period. Since the guidance does

not

apply to revenue associated with financial instruments, including loan receivables and investment securities, we do

not

expect the adoption of the new standard, or any of the amendments, to result in a material change from our current accounting for revenue because the majority of the Company's revenue is

not

within the scope of Topic

606.

  However, we do expect that the standard will result in new disclosure requirements, which are currently being evaluated.

In

August 2015,

the FASB issued ASU

2015

-

14,

Revenue from Contracts with Customers (Topic

606

). The amendments in this Update defer the effective date of ASU

2014

-

09

for all entities by

one

year. Public business entities, certain

not

-for-profit entities, and certain employee benefit plans should apply the guidance in ASU

2014

-

09

to annual reporting periods beginning after

December 15, 2017,

including interim reporting periods within that reporting period. All other entities should apply the guidance in ASU

2014

-

09

to annual reporting periods beginning after

December 15, 2018,

and interim reporting periods within annual reporting periods beginning after

December 15, 2019.

The Company is evaluating the effect of adopting this new accounting Update.

In

February 2016,

the FASB issued ASU

2016

-

02,

Leases (Topic

842

). The standard requires lessees to recognize the assets and liabilities that arise from leases on the balance sheet.

  A lessee should recognize in the statement of financial position a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term.  A short-term lease is defined as

one

in which (a) the lease term is

12

months or less and (b) there is

not

an option to purchase the underlying asset that the lessee is reasonably certain to exercise. For short-term leases, lessees

may

elect to recognize lease payments over the lease term on a straight-line basis. For public business entities, the amendments in this Update are effective for fiscal years beginning after

December 15, 2018,

and interim periods within those years. For all other entities, the amendments in this Update are effective for fiscal years beginning after

December 15, 2019,

and for interim periods within fiscal years beginning after

December 15, 2020.

The amendments should be applied at the beginning of the earliest period presented using a modified retrospective approach with earlier application permitted as of the beginning of an interim or annual reporting period. The Company is currently assessing the practical expedients it

may

elect at adoption, but does

not

anticipate the amendments will have a significant impact on the financial statements. Based on the Company’s preliminary analysis of its current portfolio, the impact to the Company’s balance sheet is estimated to result in less than a

1

percent increase in assets and liabilities. The Company also anticipates additional disclosures to be provided at adoption.

In

June 2016,

the FASB issued ASU

2016

-

13,

Financial Instruments - Credit Losses: Measurement of Credit Losses on Financial Instruments, which changes the impairment model for most financial assets. This Update is intended to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations. The underlying premise of the Update is that financial assets measured at amortized cost should be presented at the net amount expected to be collected, through an allowance for credit losses that is deducted from the amortized cost basis. The allowance for credit losses should reflect management

’s current estimate of credit losses that are expected to occur over the remaining life of a financial asset. The income statement will be effected for the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period. ASU

2016

-

13

is effective for annual and interim periods beginning after

December 15, 2019,

and early adoption is permitted for annual and interim periods beginning after

December 15, 2018.

With certain exceptions, transition to the new requirements will be through a cumulative effect adjustment to opening retained earnings as of the beginning of the

first

reporting period in which the guidance is adopted. Management is currently evaluating the impact of the adoption of this guidance on the Company's consolidated financial statements. Management will oversee the implementation of CECL and is currently in the process of implementing a software solution to assist in the adoption of this ASU. Management plans to run the current incurred loss model and the CECL model concurrently for

12

months prior to the adoption of this guidance on

January 1, 2020.

In

January 2017,

the FASB issued ASU

2017

-

01,

Business Combinations (Topic

805

), Clarifying the Definition of a Business, which provides a more robust framework to use in determining when a set of assets and activities (collectively referred to as a “set”) is a business. The screen requires that when substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single identifiable asset or a group of similar identifiable assets, the set is

not

a business. This screen reduces the number of transactions that need to be further evaluated. Public business entities should apply the amendments in this Update to annual periods beginning after

December 15, 2017,

including interim periods within those periods. All other entities should apply the amendments to annual periods beginning after

December 15, 2018,

and interim periods within annual periods beginning after

December 15, 2019.

The amendments in this Update should be applied prospectively on or after the effective date. This Update is

not

expected to have a significant impact on the Company

’s financial statements.

In

January 2017,

the FASB issued ASU

2017

-

04,

Simplifying the Test for Goodwill Impairment. To simplify the subsequent measurement of goodwill, the FASB eliminated Step

2

from the goodwill impairment test. In computing the implied fair value of goodwill under Step

2,

an entity had to perform procedures to determine the fair value at the impairment testing date of its assets and liabilities (including unrecognized assets and liabilities) following the procedure that would be required in determining the fair value of assets acquired and liabilities assumed in a business combination. Instead, under the amendments in this Update, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit

’s fair value; however, the loss recognized should

not

exceed the total amount of goodwill allocated to that reporting unit. A public business entity that is a U.S. Securities and Exchange Commission (SEC) filer should adopt the amendments in this Update for its annual or any interim goodwill impairment tests in fiscal years beginning after

December 15, 2019.

A public business entity that is

not

an SEC filer should adopt the amendments in this Update for its annual or any interim goodwill impairment tests in fiscal years beginning after

December 15, 2020.

All other entities, including

not

-for-profit entities, that are adopting the amendments in this Update should do so for their annual or any interim goodwill impairment tests in fiscal years beginning after

December 15, 2021.

This Update is

not

expected to have a significant impact on the Company’s financial statements.

In

March 2017,

the FASB issued ASU

2017

-

08,

Receivables

– Nonrefundable Fees and Other Costs (Subtopic

310

-

20

). The amendments in this Update shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. The amendments do

not

require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. For public business entities, the amendments in this Update are effective for fiscal years, and interim periods within those fiscal years, beginning after

December 15, 2018.

For all other entities, the amendments are effective for fiscal years beginning after

December 15, 2019,

and interim periods within fiscal years beginning after

December 15, 2020.

Early adoption is permitted, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity should apply the amendments in this Update on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. Additionally, in the period of adoption, an entity should provide disclosures about a change in accounting principle. This Update is

not

expected to have a significant impact on the Company’s financial statements.

In

May 2017,

the FASB issued ASU

2017

-

09,

Compensation

– Stock Compensation (Topic

718

), which affects any entity that changes the terms or conditions of a share-based payment award.  This Update amends the definition of modification by qualifying that modification accounting does

not

apply to changes to outstanding share-based payment awards that do

not

affect the total fair value, vesting requirements, or equity/liability classification of the awards.  The amendments in this Update are effective for all entities for annual periods, and interim periods within those annual periods, beginning after

December 15, 2017.

Early adoption is permitted, including adoption in any interim period, for (

1

) public business entities for reporting periods for which financial statements have

not

yet been issued and (

2

) all other entities for reporting periods for which financial statements have

not

yet been made available for issuance. The amendments in this Update should be applied prospectively to an award modified on or after the adoption date. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s financial position or results of operations.

In

February 2018,

the FASB issued ASU

2018

-

02,

Income Statement

– Reporting Comprehensive Income (Topic

220

), which allows for optional reclassification of stranded tax effects related to the Tax Cuts and Jobs Act of

2017

(TCJA). When elected, this Update requires all stranded tax effects related to the TCJA to be reclassified (i.e., including other income tax effects

not

specifically related to the change in rates). Entities electing to reclassify stranded tax effects related to the TCJA are required to disclose that the election was made, including a description of the other income tax effects, if any, related to the TCJA that were reclassified. Entities

not

electing to reclassify stranded tax effects related to the TCJA are required to disclose, in the period of adoption, that the election was

not

made. In addition, all entities are required to disclose their accounting policy for releasing income tax effects from accumulated other comprehensive income (i.e., including those income tax effects

not

related to the TCJA). This Update requires certain additional transitional disclosures. Application is allowed at the beginning of the period of adoption (annual or interim) or retrospectively and is effective for all entities for fiscal years, and interim periods within those fiscal years, beginning after

December 15, 2018.

All entities, including public entities, that have

not

yet issued their financial statements

may

early adopt the standard. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s financial position or results of operations.

XML

Note 2 - Earnings Per Share

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Earnings Per Share [Text Block]

2. EARNINGS PER SHARE

There are

no

convertible securities that would affect the numerator in calculating basic and diluted earnings per share; therefore, net income as presented on the Consolidated Statement of Income will be used as the numerator. The following table sets forth the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings

per share computation for the year ended

December 31:

	2017			2016			2015
Weighted-average common shares outstanding		3,415,115			2,494,022			2,251,365
Average treasury stock shares		(386,165	)		(386,165	)		(236,399	)
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share		3,028,950			2,107,857			2,014,966
Additional common stock equivalents (stock options) used to calculate diluted earnings per share		23,635			11,357			9,154
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share		3,052,585			2,119,214			2,024,120

Options to purchase

19,750

shares of common stock at prices ranging from

$17.55

to

$23.00

were outstanding during the year ended

December 31, 2017.

Also outstanding were

14,601

shares of restricted stock units.

None

of the outstanding options or RSU’s were anti-dilutive.

Options to purchase

29,324

shares of common stock at prices ranging from

$17.55

to $

37.48

were outstanding during the year ended

December 31, 2016.

Of those options,

29,324

were considered dilutive based on the average market price exceeding the strike price for the year ended

December 31, 2016,

and

no

options were anti-dilutive.

Options to purchase

31,949

shares of common stock at prices ranging from

$17.55

to

$40.24

were outstanding during the year ended

December 31, 2015.

Of those options,

27,250

were considered dilutive based on the average market price exceeding the strike price for the year ended

December 31, 2015,

and

4,699

options were anti-dilutive.

XML

Note 3 - Investment Securities Available for Sale

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

3. INVESTMENT SECURITIES AVAILABLE FOR SALE

The amortized cost

, gross gains and losses and fair values of securities available for sale are as follows:

	December 31, 2017
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	8,664	$	126	$	(71	)	$	8,719
Obligations of states and political subdivisions:
Taxable		504		8		-			512
Tax-exempt		65,408		1,547		(38	)		66,917
Mortgage-backed securities in government-sponsored entities		18,640		157		(287	)		18,510
Total debt securities		93,216		1,838		(396	)		94,658
Equity securities in financial institutions		415		210		-			625
Total	$	93,631	$	2,048	$	(396	)	$	95,283

	December 31, 2016
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	10,158	$	174	$	(96	)	$	10,236
Obligations of states and political subdivisions:
Taxable		1,615		129		(4	)		1,740
Tax-exempt		78,327		1,678		(522	)		79,483
Mortgage-backed securities in government-sponsored entities		20,128		202		(261	)		20,069
Private-label mortgage-backed securities		1,579		130		-			1,709
Total debt securities		111,807		2,313		(883	)		113,237
Equity securities in financial institutions		750		389		-			1,139
Total	$	112,557	$	2,702	$	(883	)	$	114,376

The amortized cost and fair value of debt securities at

December 31,

2017,

by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers

may

have the right to call or prepay obligations with or without call or prepayment penalties.

	Amortized		Fair
(Dollar amounts in thousands)	Cost		Value
Due in one year or less	$	2,340	$	2,377
Due after one year through five years		9,718		9,878
Due after five years through ten years		10,992		11,012
Due after ten years		70,166		71,391
Total	$	93,216	$	94,658

Investment securities with an approximate carrying value of

$57.9

million and

$60.3

million at

December 31, 2017

and

2016,

respectively, were pledged to secure deposits and other purposes as required by law.

Proceeds from the sa

les of securities available for sale and the gross realized gains and losses for the years ended

December 31, 2017

through

2015,

are as follows (in thousands):

	2017				2016			2015
Proceeds from sales	$	6,474			$	9,063		$	15,686
Gross realized gains		911		*		309			440
Gross realized losses		(25	)			(6	)		(117	)

*Prior to the acquisition of Liberty, the Company had a previously held equity interest in Liberty which was re-measured at fair value on the acquisition date and resulted in a gain of

$488

,000,

which was recorded in Investment Securities Gains on the consolidated Income Statement for the year ended

December 31, 2017.

The following tables show the Company

’s gross unrealized losses and fair value, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position.

	December 31, 2017
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	557	$	(4	)	$	4,036	$	(67	)	$	4,593	$	(71	)
Obligations of states and political subdivisions
Tax-exempt		1,009		(6	)		2,784		(32	)		3,793		(38	)
Mortgage-backed securities in government-sponsored entities		5,698		(71	)		8,734		(216	)		14,432		(287	)
Total	$	7,264	$	(81	)	$	15,554	$	(315	)	$	22,818	$	(396	)

	December 31, 2016
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	3,803	$	(47	)	$	1,316	$	(49	)	$	5,119	$	(96	)
Obligations of states and political subdivisions
Taxable		502		(4	)		-		-			502		(4	)
Tax-exempt		23,554		(522	)		-		-			23,554		(522	)
Mortgage-backed securities in government-sponsored entities		9,066		(126	)		4,438		(135	)		13,504		(261	)
Total	$	36,925	$	(699	)	$	5,754	$	(184	)	$	42,679	$	(883	)

There were

29

securities that were considered temporarily impaired at

December 31, 2017.

On a quarterly basis, the Company performs an assessmen

t to determine whether there have been any events or economic circumstances indicating that a security with an unrealized loss has suffered other-than-temporary impairment (“OTTI”). A debt security is considered impaired if the fair value is less than its amortized cost basis at the reporting date. The accounting literature requires the Company to assess whether the unrealized loss is other than temporary. For equity securities where the fair value has been significantly below cost for

one

year, the Company’s policy is to recognize an impairment loss unless sufficient evidence is available that the decline is

not

other than temporary and a recovery period can be predicted.

The Company has asserted t

hat at

December 31, 2017

and

2016,

the declines outlined in the above table represent temporary declines and the Company does

not

intend to sell and does

not

believe it will be required to sell these securities before recovery of their cost basis, which

may

be at maturity. The Company has concluded that any impairment of its investment securities portfolio outlined in the above table is

not

other than temporary and is the result of interest rate changes, sector credit rating changes, or company-specific rating changes that are

not

expected to result in the non-collection of principal and interest during the period.

Debt securities issued by U.S. government agencies, U.S. government-sponsored enterprises, and state and political subdivisio

ns accounted for

99.3%

of the total available-for-sale portfolio as of

December 

31,

2017,

and

no

credit losses are expected, given the explicit and implicit guarantees provided by the U.S. federal government and the lack of significant unrealized loss positions within the obligations of state and political subdivisions security portfolio. The Company evaluates credit losses on a quarterly basis. The Company considered the following factors in determining whether a credit loss exists and the period over which the debt security is expected to recover:

● The length of time and the extent to which the fair value has been less than the amortized cost basis.

● Changes in the near term prospects of the underlying collateral of a security such as changes in default rates, loss severity given default and significant changes in prepayment assumptions.

● The level of cash flows generated from the underlying collateral supporting the principal and interest payments of the debt securities.

● Any adverse change to the credit conditions and liquidity of the issuer, taking into consideration the latest information available about the overall financial condition of the issuer, credit ratings, recent legislation, and government actions affecting the issuer ’s industry and actions taken by the issuer to deal with the present economic climate.

XML

Note 4 - Loans and Related Allowance for Loan and Lease Losses

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

4. LOANS AND RELATED ALL OWANCE FOR LOAN AND LEASE LOSSES

Major classifications of loans at

December 31

are summarized as follows (in thousands):

	2017			2016
Commercial and industrial	$	101,346		$	60,630
Real estate - construction		47,017			23,709
Real estate - mortgage:
Residential		318,157			270,830
Commercial		437,947			249,490
Consumer installment		18,746			4,481
		923,213			609,140
Less: Allowance for loan and lease losses		(7,190	)		(6,598	)
Net loans	$	916,023		$	602,542

The amounts above include

net deferred loan origination costs of

$1.5

million and

$1.7

million at

December 31, 2017

and

December 31, 2016,

respectively.

The Company

’s primary business activity is with customers located within its local Northeastern Ohio trade area, eastern Geauga County, and contiguous counties to the north, east, and south. The Company also serves the central Ohio market with offices in Dublin, Sunbury and Westerville, Ohio. The Northeastern Ohio trade area includes the newly acquired Liberty locations in Beachwood, Twinsburg, and Solon, Ohio. Commercial, residential, consumer, and agricultural loans are granted. Although the Company has a diversified loan portfolio at

December 31, 2017

and

2016,

loans outstanding to individuals and businesses are dependent upon the local economic conditions in the Company’s immediate trade area.

The following table

s summarize the primary segments of the loan portfolio and the allowance for loan and lease losses (in thousands):

					Real Estate- Mortgage
December 31, 2017	Commercial and industrial		Real estate- construction		Residential		Commercial			Consumer installment	Total
Loans:
Individually evaluated for impairment	$	3,627	$	44	$	2,824	$	5,610	$	4	$	12,109
Collectively evaluated for impairment		97,719		46,973		315,333		432,337		18,742		911,104
Total loans	$	101,346	$	47,017	$	318,157	$	437,947	$	18,746	$	923,213

					Real estate- Mortgage
December 31, 2016	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Loans:
Individually evaluated for impairment	$	1,190	$	913	$	3,135	$	7,187	$	5	$	12,430
Collectively evaluated for impairment		59,440		22,796		267,695		242,303		4,476		596,710
Total loans	$	60,630	$	23,709	$	270,830	$	249,490	$	4,481	$	609,140

					Real Estate- Mortgage
December 31, 2017	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Allowance for loan and lease losses:
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$	694	$	-	$	140	$	733	$	-	$	1,567
Collectively evaluated for impairment		305		313		1,620		3,303		82		5,623
Total ending allowance balance	$	999	$	313	$	1,760	$	4,036	$	82	$	7,190

					Real Estate- Mortgage
December 31, 2016	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Allowance for loan and lease losses:
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$	90	$	-	$	251	$	186	$	-	$	527
Collectively evaluated for impairment		358		172		2,567		2,949		25		6,071
Total ending allowance balance	$	448	$	172	$	2,818	$	3,135	$	25	$	6,598

The Company

’s loan portfolio is segmented to a level that allows management to monitor risk and performance. The portfolio is segmented into Commercial and Industrial (“C&I”), Real Estate Construction, Real Estate - Mortgage which is further segmented into Residential and Commercial real estate, and Consumer Installment Loans. The C&I loan segment consists of loans made for the purpose of financing the activities of commercial customers. The residential mortgage loan segment consists of loans made for the purpose of financing the activities of residential homeowners. The commercial mortgage loan segment consists of loans made for the purpose of financing the activities of commercial real estate owners and operators. The consumer loan segment consists primarily of installment loans and overdraft lines of credit connected with customer deposit accounts.

Management evaluates individual loans in all of the commercial segments for possible impairment

based on guidance established by the Board of Directors. Loans are considered to be impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in evaluating impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed. The Company does

not

separately evaluate individual consumer and residential mortgage loans for impairment, unless such loans are part of a larger relationship that is impaired, or the loan was modified in a troubled debt restructuring.

Once the determination has been made that a loan is impaired, the determination of whether a specific allocation of the allowance is necessary is measured by comparing the recorded investment in the loan to the fair value of the loan using

one

of

three

methods: (a) the present value of expected future cash flows discounted at the loan

’s effective interest rate; (b) the loan’s observable market price; or (c) the fair value of the collateral less selling costs. The method is selected on a loan-by-loan basis, with management primarily utilizing the fair value of collateral method. The evaluation of the need and amount of a specific allocation of the allowance and whether a loan can be removed from impairment status is made on a quarterly basis. The Company’s policy for recognizing interest income on impaired loans does

not

differ from its overall policy for interest recognition.

The following tables present impaired loans by class, segregated by those for which a specific allowance was required and those for which a specific allowance was

not

necessary (in thousands):

December 31, 2017
Impaired Loans
			Unpaid
	Recorded		Principal		Related
	Investment		Balance		Allowance
With no related allowance recorded:
Commercial and industrial	$	450	$	1,006	$	-
Real estate - construction		44		44		-
Real estate - mortgage:
Residential		1,685		1,904		-
Commercial		1,870		1,984		-
Consumer installment		4		4		-
Total	$	4,053	$	4,942	$	-
With an allowance recorded:
Commercial and industrial	$	3,177	$	3,888	$	694
Real estate - mortgage:
Residential		1,139		1,179		140
Commercial		3,740		3,913		733
Total	$	8,056	$	8,980	$	1,567
Total:
Commercial and industrial	$	3,627	$	4,894	$	694
Real estate - construction		44		44		-
Real estate - mortgage:
Residential		2,824		3,083		140
Commercial		5,610		5,897		733
Consumer installment		4		4		-
Total	$	12,109	$	13,922	$	1,567

December 31, 2016
Impaired Loans
			Unpaid
	Recorded		Principal		Related
	Investment		Balance		Allowance
With no related allowance recorded:
Commercial and industrial	$	319	$	318	$	-
Real estate - construction		913		909		-
Real estate - mortgage:
Residential		2,142		2,140		-
Commercial		2,031		2,027		-
Total	$	5,405	$	5,394	$	-
With an allowance recorded:
Commercial and industrial	$	871	$	868	$	90
Real estate - mortgage:
Residential		993		991		251
Commercial		5,156		5,147		186
Consumer installment		5		5		-
Total	$	7,025	$	7,011	$	527
Total:
Commercial and industrial	$	1,190	$	1,186	$	90
Real estate - construction		913		909		-
Real estate - mortgage:
Residential		3,135		3,131		251
Commercial		7,187		7,174		186
Consumer installment		5		5		-
Total	$	12,430	$	12,405	$	527

The table

s above include troubled debt restructuring totaling

$5.4

million and

$6.7

million as of

December 31, 2017

and

2016,

respectively.

The following table presents interest income by class, recognized on impaired loans

(in thousands):

	As of December 31, 2017				As of December 31, 2016				As of December 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Commercial and industrial	$	2,378	$	178	$	1,211	$	32	$	1,468	$	100
Real estate - construction		565		1		1,281		10		2,407		115
Real estate - mortgage:
Residential		3,068		89		3,529		98		4,356		160
Commercial		6,820		446		7,384		368		5,203		350
Consumer installment		5		1		6		1		6		-
Total	$	12,836	$	715	$	13,411	$	509	$	13,440	$	725

Troubled Debt Restructuring (TDR) describes loans on which the bank has granted concessions for reasons related to the customer

’s financial difficulties. Such concessions

may

include

one

or more of the following:

● reduction in the interest rate to below market rates

● extension of repayment requirements beyond normal terms

● reduction of the principal amount owed

● reduction of accrued interest due

● acceptance of other assets in full or partial payment of a debt

In each case the concession is made due to deterioration in the borrower

’s financial condition, and the new terms are less stringent than those required on a new loan with similar risk. The total impact on the ALLL for

2017

and

2016

related to TDRs was

$509,000

and

$436,000,

respectively.

The following tables present the number of loan modifications by class

, the corresponding recorded investment, and the subsequently defaulted modifications (in thousands):

	December 31, 2017
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		4		-		4	$	127	$	127
Residential real estate		5		-		5		256		256

	December 31, 2016
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		5		-		5	$	610	$	610
Residential real estate		4		-		4		166		166
Commercial real estate		1		-		1		311		311

	December 31, 2015
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		6		-		6	$	434	$	434
Real estate construction		1		-		1		181		181
Residential real estate		5		1		6		515		535
Commercial real estate		1		-		1		270		270

	December 31, 2016
	Number of		Recorded
Troubled Debt Restructurings subsequently defaulted	Contracts		Investment
Commercial and industrial		2	$	7
Real estate construction		1		-
Residential real estate		4		278
Commercial real estate		1		119

	December 31, 2015
	Number of		Recorded
Troubled Debt Restructurings subsequently defaulted	Contracts		Investment
Commercial and industrial		2	$	14
Real estate construction		1		130

There were

no

subsequent defau

lts of troubled debt restructurings for the year ended

December 31, 2017.

Management uses a

nine

-point internal risk-rating system to monitor the credit quality of the overall loan portfolio. The

first

five

categories are considered

not

cr

iticized and are aggregated as Pass rated. The criticized rating categories utilized by management generally follow bank regulatory definitions. The Special Mention category includes assets that are currently protected but are potentially weak, resulting in an undue and unwarranted credit risk, but

not

to the point of justifying a Substandard classification.  Loans in the Substandard category have well-defined weaknesses that jeopardize the liquidation of the debt and have a distinct possibility that some loss will be sustained if the weaknesses are

not

corrected.  All loans greater than

90

days past due are considered Substandard.   Any portion of a loan that has been charged off is placed in the Loss category.

To help ensure that risk ratings are accurate and reflect the present and future capacity of borrowers to repay a loan as agreed, the Company has a structured loan-rating process with several layers of internal and external oversight.

  Generally, consumer and residential mortgage loans are included in the Pass categories unless a specific action, such as bankruptcy, repossession, or death, occurs to raise awareness of a possible credit event.  The Company’s Commercial Loan Officers are responsible for the timely and accurate risk rating of the loans in their portfolios at origination and on an ongoing basis with the Chief Credit Officer ultimately responsible for accurate and timely risk ratings.  The Credit Department performs an annual review of all commercial relationships

$1.0

million or greater.  Confirmation of the appropriate risk grade is included in the review on an ongoing basis.   The Company engages an external consultant to conduct loan reviews on a semiannual basis. Generally, the external consultant reviews commercial relationships greater than

$250,000

and/or criticized relationships greater than

$125,000.

 Detailed reviews, including plans for resolution, are performed on loans classified as Substandard on a quarterly basis.  Loans in the Special Mention and Substandard categories that are collectively evaluated for impairment are given separate consideration in the determination of the allowance.

The following table

s present the classes of the loan portfolio summarized by the aggregate Pass rating and the criticized categories of Special Mention, Substandard, and Doubtful within the internal risk rating system (in thousands):

	December 31, 2017
			Special						Total
	Pass		Mention		Substandard		Doubtful		Loans
Commercial and industrial	$	95,621	$	1,942	$	3,783	$	-	$	101,346
Real estate - construction		46,995		-		22		-		47,017
Real estate - mortgage:
Residential		312,176		723		5,258		-		318,157
Commercial		424,225		9,164		4,558		-		437,947
Consumer installment		18,742		-		4		-		18,746
Total	$	897,759	$	11,829	$	13,625	$	-	$	923,213

	December 31, 2016
			Special						Total
	Pass		Mention		Substandard		Doubtful		Loans
Commercial and industrial	$	58,539	$	663	$	1,428	$	-	$	60,630
Real estate - construction		23,541		144		24		-		23,709
Real estate - mortgage:
Residential		264,481		428		5,921		-		270,830
Commercial		240,678		4,422		4,390		-		249,490
Consumer installment		4,467		-		14		-		4,481
Total	$	591,706	$	5,657	$	11,777	$	-	$	609,140

Management further monitors the performance and credit quality of the loan portfolio by analyzing the age of the portfolio as determined by the length of time a recorded payment is past due. The following table

s present the classes of the loan portfolio summarized by the aging categories of loans and nonaccrual loans (in thousands):

	December 31, 2017
			30-59 Days		60-89 Days		90 Days+		Total		Total
	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and industrial	$	99,633	$	1,607	$	29	$	77	$	1,713	$	101,346
Real estate - construction		47,017		-		-		-		-		47,017
Real estate - mortgage:
Residential		314,866		1,977		227		1,087		3,291		318,157
Commercial		434,879		1,907		1		1,160		3,068		437,947
Consumer installment		18,736		10		-		-		10		18,746
Total	$	915,131	$	5,501	$	257	$	2,324	$	8,082	$	923,213

	December 31, 2016
			30-59 Days		60-89 Days		90 Days+		Total		Total
	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and industrial	$	60,407	$	17	$	2	$	204	$	223	$	60,630
Real estate - construction		23,709		-		-		-		-		23,709
Real estate - mortgage:
Residential		268,041		1,909		207		673		2,789		270,830
Commercial		249,081		92		-		317		409		249,490
Consumer installment		4,465		-		10		6		16		4,481
Total	$	605,703	$	2,018	$	219	$	1,200	$	3,437	$	609,140

The following tables present the classes of the l

oan portfolio summarized by nonaccrual loans and loans

90

days or more past due and still accruing (in thousands):

	December 31, 2017
			90+ Days Past
	Nonaccrual			Due and Accruing
Commercial and industrial	$	1,120	$	-
Real estate - construction		-		-
Real estate - mortgage:
Residential		4,002		-
Commercial		3,311		-
Consumer installment		-		-
Total	$	8,433	$	-

	December 31, 2016
			90+ Days Past
	Nonaccrual		Due and Accruing
Commercial and industrial	$	454	$	-
Real estate - construction		-		-
Real estate - mortgage:
Residential		4,034		-
Commercial		1,409		-
Consumer installment		6		-
Total	$	5,903	$	-

Interest income that would have been recorded had these loans

not

been placed on nonaccrual

status was

$437,000

in

2017,

$309,000

in

2016,

and

$259,000

in

2015.

An allowance for loan

and lease losses (“ALLL”) is maintained to absorb losses from the loan portfolio.  The ALLL is based on management’s continuing evaluation of the risk characteristics and credit quality of the loan portfolio, assessment of current economic conditions, diversification and size of the portfolio, adequacy of collateral, past and anticipated loss experience, and the amount of nonperforming loans.

The Company

’s methodology for determining the ALLL is based on the requirements of ASC Section

310

-

10

-

35

for loans individually evaluated for impairment (discussed above) and ASC Subtopic

450

-

20

for loans collectively evaluated for impairment, as well as the Interagency Policy Statement on the Allowance for Loan and Lease Losses and other bank regulatory guidance.   The total of the

two

components represents the Company’s ALLL. Management also performs impairment analysis on TDRs, which

may

result in specific reserves.

Loans that are collectively evaluated for impairment are analyzed, with general allowances being made as appropriate.

  For general allowances, historical loss trends are used in the estimation of losses in the current portfolio.  These historical loss amounts are modified by other qualitative factors.

The classes described above, which are based on the purpose code assigned to each loan, provide the starting point for the

ALLL analysis.  Management tracks the historical net charge-off activity at the purpose code level.  A historical charge-off factor is calculated utilizing the last

twelve

consecutive historical quarters.

Management has identified a number of additional qualitative factors which it uses to supplement the historical charge-off factor, because these factors are likely to cause estimated credit losses associated with the existing loan pools to differ from historical loss experience.

  The additional factors that are evaluated quarterly and updated using information obtained from internal, regulatory, and governmental sources are: national and local economic trends and conditions; levels of and trends in delinquency rates and nonaccrual loans; trends in volumes and terms of loans; effects of changes in lending policies; experience, ability, and depth of lending staff; value of underlying collateral; and concentrations of credit from a loan type, industry, and/or geographic standpoint.

Management reviews the loan portfolio on a quarterly basis using a defined, consistently applied process in order to make appropriate and timely adjustments to the

ALLL.  When information confirms all or part of specific loans to be uncollectible, these amounts are promptly charged off against the ALLL.

The following tables summarize the primary segments of the loan portfolio (in thousands):

	Commercial and industrial			Real estate- construction		Real estate- residential mortgage			Real estate- commercial mortgage			Consumer installment			Total
ALLL balance at December 31, 2016	$	448		$	172	$	2,818		$	3,135		$	25		$	6,598
Charge-offs		(536	)		-		(117	)		(39	)		(462	)		(1,154	)
Recoveries		234			34		241			111			81			701
Provision		853			107		(1,182	)		829			438			1,045
ALLL balance at December 31, 2017	$	999		$	313	$	1,760		$	4,036		$	82		$	7,190

	Commercial and industrial			Real estate- construction			Real estate- residential mortgage			Real estate- commercial mortgage			Consumer installment			Total
ALLL balance at December 31, 2015	$	867		$	276		$	3,139		$	2,078		$	25		$	6,385
Charge-offs		(237	)		-			(414	)		(70	)		(22	)		(743	)
Recoveries		90			-			141			140			15			386
Provision		(272	)		(104	)		(48	)		987			7			570
ALLL balance at December 31, 2016	$	448		$	172		$	2,818		$	3,135		$	25		$	6,598

The

negative provision allocated to residential real estate loans in the amount of

$1.2

million for the year ended

December 31, 2017

is due to the payoff of a large residential credit during that period. The decline in the reserve allocated for residential real estate is due to a decrease in historic losses during

2017

and consistent decreases in the ratio of nonperforming loans to total loans in this segment over the past few years resulting in a decrease in the reserves required. The increase in the ALLL balance for commercial real estate and commercial and industrial loans is primarily due to increases in specific reserves for impaired loans along with growth in these segments.

XML

Note 5 - Other Real Estate Owned ("OREO")

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Real Estate Owned [Text Block]

5. OTHER REAL ESTATE OWNED (“OREO”)

OREO comprises foreclosed assets acquired in settlement of loans and is carried at fair value less estimated cost to sell and is included in other

real estate owned on the Consolidated Balance Sheet. As of

December 31, 2017

and

December 31, 2016,

there were

$212,000

and

$934,000,

respectively, of OREO. The recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process according to local requirements of the applicable jurisdiction totaled

$1.5

million at

December 31, 2017.

XML

Note 6 - Premises and Equipment

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

6. PREMISES AND EQUIPMENT

Major classifications of premises and equipment at

December 31:

(Dollar amounts in thousands)	2017		2016
Land and land improvements	$	2,920	$	2,891
Building and leasehold improvements		14,277		12,081
Furniture, fixtures, and equipment		7,010		5,404
Total premises and equipment		24,207		20,376
Less accumulated depreciation and amortization		12,354		9,173
Total premises and equipment, net	$	11,853	$	11,203

Depreciation

expense charged to operations was

$876,000

 in

2017,

$735,000

in

2016,

and

$715,000

in

2015.

XML

Note 7 - Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

7. GOODWILL AND INTANGIBLE ASSETS

Goodwill total

ed

$15.1

million and

$4.6

million at the years ended

December 

31,

2017,

and

2016.

Core deposit intangible carrying amount was

$2.7

million and

$36,000

for the years ended

December 

31,

2017,

and

2016,

respectively. Core deposit accumulated amortization was

$692,000

and

$318,000

for the years ended

December 

31,

2017,

and

2016.

Core deposit intangible assets are amortized

to their estimated residual values over their expected useful lives, commonly of

ten

 years. Amortization expense totaled

$374,000,

$40,000,

and

$40,000

in

2017,

2016,

and

2015,

respectively. The estimated aggregate future amortization expense for core deposit intangible assets as of

December 

31,

2017

is as follows:

2018	$	352
2019		341
2020		332
2021		321
2022		309
Thereafter		1,094
Total	$	2,749

XML

Note 8 - Other Assets

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Other Assets Disclosure [Text Block]

8. OTHER ASSETS

The components of other assets at

the years ended

December 31:

(Dollar amounts in thousands)	2017		2016
Restricted stock	$	3,589	$	2,204
Accrued interest receivable on investment securities		707		812
Accrued interest receivable on loans		2,581		1,614
Deferred tax asset, net		647		1,607
Other		1,620		1,265
Total	$	9,144	$	7,502

XML

Note 9 - Deposits

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Deposit Liabilities Disclosures [Text Block]

9. DEPOSITS

Time deposits at

December 31,

2017,

mature

$99.3

million,

$21.5

million,

$51.8

million,

$41.0

million, and

$29.4

million during

2018,

2019,

2020,

2021,

and

2022,

respectively.

The aggregate of all time deposit accounts of $

250,000

or more amounted to

$39.4

million and

$27.8

million at

December 

31,

2017

and

2016,

respectively.

XML

Note 10 - Short-term Borrowings

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Short-term Debt [Text Block]

10. SHORT-TERM BORROWINGS

For t

he year ended

December 31,

outstanding balances and related information of short-term borrowings, which includes securities sold under agreements to repurchase and short-term borrowings from other banks, are summarized as follows:

(Dollar amounts in thousands)	2017			2016
Balance at year-end	$	74,707		$	68,359
Average balance outstanding		63,910			37,130
Maximum month-end balance		114,025			68,359
Weighted-average rate at year-end		1.36	%		0.61	%
Weighted-average rate during the year		1.18	%		0.89	%

Average balances outstanding during the year represent daily average balances, and average interest rates represent interest expense divided by the related average

balance.

The Company maintains a $

6.0

million line of credit at an adjustable rate, currently

4.75%,

a

$10.0

million line of credit at an adjustable rate, currently at

4.69%,

and a

$4.0

million line of credit at an adjustable rate, currently

4.74%.

At

December 31, 2017,

2016,

and

2015,

outstanding borrowings under these lines were

$0,

$0,

and

$9.5

million, respectively.

The following table provides additional detail regarding

collateral pledged to secure the Company’s repurchase agreements:

	Repurchase Agreements (Sweep) Accounted
	for as Secured Borrowings
(Dollar amounts in thousands)	Overnight and Continuous
	December 31, 2017		December 31, 2016
Repurchase agreements secured by:
Mortgage-backed securities in government sponsored entities	$	2,040	$	2,667
Tax-exempt obligations of states and political subdivisions		495		968
Gross amount of pledged collateral		2,535		3,635
Gross amount of recognized liabilities	$	1,989	$	2,129

XML

Note 11 - Other Borrowings

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Other Borrowings [Text Block]

11. OTHER BORROWINGS

Other borrowings consist of advances from the FHLB and subordinated debt as follows:

				Weighted-			Stated interest
(Dollar amounts in thousands)	Maturity range			average			rate range
Description	from		to	interest rate			from			to			2017		2016
Fixed-rate amortizing	02/01/18	10/01/28			1.24	%		1.01	%	4.47	%	$	20,817	$	1,189
Junior subordinated debt	12/21/37	12/21/37			2.85	%		2.56	%	3.05	%		8,248		8,248
Total												$	29,065	$	9,437

The scheduled maturities of other borrowings are as follows:

(Dollar amounts in thousands)
			Weighted-
Year Ending December 31,	Amount		Average Rate
2018	$	20,252		1.16	%
2019		155		4.04	%
2020		116		4.04	%
2021		87		4.04	%
2022		65		4.04	%
Beyond 2022		8,390		2.79	%
Total	$	29,065		2.86	%

Fixed-

rate amortizing advances from the FHLB require monthly principal and interest payments and an annual

20

percent pay-down of outstanding principal. Monthly principal and interest payments are adjusted after each

20

percent pay-down. Under the terms of a blanket agreement, FHLB borrowings are secured by certain qualifying assets of the Company which consist principally of

first

mortgage loans or mortgage-backed securities. Under this credit arrangement, the Company has a remaining borrowing capacity of approximately

$192.2

million at

December 31, 2017.

T

he Company formed a special purpose entity (“Entity”) to issue

$8.0

million of floating rate, obligated mandatorily redeemable securities, and

$248,000

in common securities as part of a pooled offering. The rate adjusts quarterly, equal to LIBOR plus

1.67%.

The Entity

may

redeem them, in whole or in part, at face value. The Company borrowed the proceeds of the issuance from the Entity in

December 2006

in the form of an

$8.3

million note payable, which is included in the other borrowings on the Company’s Consolidated Balance Sheet.

XML

Note 12 - Other Liabilities

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Other Liabilities Disclosure [Text Block]

12. OTHER LIABILITIES

The components of other liabilities are as follows

at

December 31:

	2017		2016
(Dollar amounts in thousands)
Accrued interest payable	$	578	$	395
Supplemental Executive Retirement Plan		1,427		1,125
Accrued salary expense		956		768
Other		1,546		843
Total	$	4,507	$	3,131

XML

Note 13 - Income Taxes

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Income Tax Disclosure [Text Block]

13. INCOME TAXES

The provision for federal income taxes

for the years ended

December 31,

consists of:

(Dollar amounts in thousands)	2017		2016			2015
Current payable	$	3,929	$	1,998		$	1,004
Deferred		293		(93	)		558
Total provision	$	4,222	$	1,905		$	1,562

The tax effects of deductible and taxable temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows

at

December 31,:

(Dollar amounts in thousands)	2017		2016
Deferred tax assets:
Allowance for loan and lease losses	$	1,210	$	2,243
Supplemental retirement plan		528		382
Investment security basis adjustment		18		66
Nonaccrual interest income		371		456
OREO adjustments		2		26
Accrued compensation		201		261
Other		86		82
Gross deferred tax assets		2,416		3,516
Deferred tax liabilities:
Premises and equipment		356		445
Net unrealized gain on securities		347		618
FHLB stock dividends		139		225
Intangibles		307		449
Mortgage servicing rights		71		103
Deferred origination fees, net		294		63
Acquisition fair value adjustments		250		1
Other		5		5
Gross deferred tax liabilities		1,769		1,909
Net deferred tax assets	$	647	$	1,607

No

valuation allowance was established at

December 31,

2017

and

2016,

in view of the Company’s ability to carry back to taxes paid in previous years and certain tax strategies, coupled with the anticipated future taxable income as evidenced by the Company's earnings potential.

The reconciliation between the federal statutory rate and the Company

’s effective consolidated income tax rate for the years ended

December 31,

is as follows:

(Dollar amounts in thousands)	2017						2016						2015
				% of						% of						% of
				Pretax						Pretax						Pretax
	Amount			Income			Amount			Income			Amount			Income
Provision at statutory rate	$	4,651			34.0	%	$	2,829			34.0	%	$	2,866			34.0	%
Tax-exempt income		(1,045	)		(7.6	)%		(1,177	)		(14.1	)%		(1,347	)		(15.9	)%
Nondeductible interest expense		32			0.2	%		32			0.4	%		34			0.4	%
Nondeductible merger-related expense		43			0.3	%		186			2.2	%		-			-	%
Stock-based compensation		(50	)		(0.4	)%		-			-	%		-			-	%
Change in effective corporate tax rate		401			2.9	%		-			-	%		-			-	%
Other		190			1.5	%		35			0.4	%		9			-	%
Actual tax expense and effective rate	$	4,222			30.9	%	$	1,905			22.9	%	$	1,562			18.5	%

ASC

740

‐

10

prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Benefits from tax positions should be recognized in the financial statements only when it is more likely than

not

that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more

‐

likely

‐

than

‐

not

recognition threshold is measured at the largest amount of benefit that is greater than

50

percent likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more

‐

likely

‐

than

‐

not

recognition threshold should be recognized in the

first

subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that

no

longer meet the more

‐

likely

‐

than

‐

not

recognition threshold should be derecognized in the

first

subsequent financial reporting period in which that threshold is

no

longer met.

On

December 22,

201

7,

H.R.1,

commonly known as the Tax Cuts and Jobs Act (the “Act”), was signed into law. The Act includes many provisions that will affect our income tax expense, including reducing our federal tax rate from

34%

to

21%

effective

January 1, 2018.

As a result of the rate reduction, we are required to re-measure, through income tax expense in the period of enactment, our deferred tax assets and liabilities using the enacted rate at which we expect them to be recovered or settled. The re-measurement of our net deferred tax asset resulted in additional

2017

income tax expense of

$401,000.

Also on

December 22, 2017,

the U.S. Securities and Exchange Commission (“SEC”) released Staff Accounting Bulletin

No.

118

(“SAB

118”

) to address any uncertainty or diversity of

views in practice in accounting for the income tax effects of the Act in situations where a registrant does

not

have the necessary information available, prepared, or analyzed in reasonable detail to complete this accounting in the reporting period that includes the enactment date. SAB

118

allows for a measurement period

not

to extend beyond

one

year from the Act’s enactment date to complete the necessary accounting.

We recorded provisional amounts of deferred income taxes using reasonable estimates in

one

area where information necessary to complete the accounting was

not

available,

prepared, or analyzed. Our deferred tax liability for temporary differences between the tax and financial reporting bases of fixed assets principally due to the accelerated depreciation under the Act which allows for full expensing of qualified property purchased and placed in service after

September 27, 2017.

We will complete and record the income tax effects of this provisional item during the period the necessary information becomes available. This measurement period will

not

extend beyond

December 22, 2018.

A

t

December 31, 2017

and

December 31, 2016,

the Company had

no

ASC

740

-

10

unrecognized tax benefits. The Company does

not

expect the total amount of unrecognized tax benefits to significantly increase within the next

12

months. The Company recognizes interest and penalties on unrecognized tax benefits as a component of income tax expense.

The Company and the Bank are subject to U.S. federal income tax as well as an income tax in the state of Ohio, and the Bank is subject to a capital

‐

based franchise tax in the state of Ohio. The Company and the Bank are

no

longer subject to examination by taxing authorities for years before

December 31, 2014.

XML

Note 14 - Employee Benefits

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Compensation and Employee Benefit Plans [Text Block]

14. E MPLOYEE BENEFITS

Retirement Plan

The Bank maintain

s section

401

(k) employee savings and investment plans for all full-time employees and officers of the Bank who are at least

21

years of age. The Bank’s contributions to the plans are discretionary, and were based on

50%

matching of voluntary contributions up to

6%

of compensation for the year ended

December 31, 2017.

Employee contributions are vested at all times, and MBC contributions are fully vested after

six

years beginning at the

second

year in

20%

increments. Special vesting provisions are in place for legacy Liberty employees with

3

or more years of service. Contributions for

2017,

2016,

and

2015

to these plans amounted to

$258,000,

$156,000,

and

$156,000,

respectively.

Supplemental Retirement Plan

Until

2001,

MBC maintained a Directors’ Retirement Plan to provide postretirement payments over a

ten

-year period to members of the Board of Directors who had completed

five

or more years of service. The plan required payment of

25%

of the final average annual board fees paid to a director in the

three

years preceding the director’s retirement.

The following table illustrates the components of the

projected payments for the Directors’ Retirement Plan for the years ended:

	Projected Payments
2018	$	18,000
2019		12,000
2020		10,000
2021		2,000
Total	$	42,000

The retirement plan is available solely for nonemployee directors of M

BC, but MBC has

not

entered into any additional retirement arrangements for nonemployee directors since

2001.

All director participants have retired.

Executive Deferred Compensation Plan

The Company maintains an Executive Deferred Compensation Plan (the “Plan”) to provide post-retirement payments to members of senior man

agement. The Plan agreements are noncontributory, defined contribution arrangements that provide supplemental retirement income benefits to several officers, with contributions made solely by the Bank. During

2017,

2016,

and

2015,

the Company contributed

$110,000,

$99,000,

and

$65,000,

respectively, to the Plan.

Stock Opt

ion and Restricted Stock Plan

In

2007

, the Company adopted the

2007

Omnibus Equity Plan (the

“2007

Plan”) for granting incentive stock options, nonqualified stock options, and restricted stock to key officers and employees and nonemployee directors of the Company. A total of

160,000

shares of authorized and unissued or issued common stock were reserved for issuance under the

2007

Plan, which expires

ten

years from the date of board approval of the plan. Although the

2007

Plan expired in

2017,

there remain outstanding

92,759

shares in equity awards granted under the

2007

Plan. The per share exercise price of an option granted will

not

be less than the fair value of a share of common stock on the date the option is granted.

In

2017

, the Company adopted the

2017

Omnibus Equity Plan (the

“2017

Plan”) for granting incentive stock options, nonqualified stock options, restricted stock and other equity awards to key officers and employees and nonemployee directors of the Company. The Company’s stockholders approved the

2017

Plan at the annual meeting of the stockholders held on

May 10, 2017.

A total of

224,000

shares of authorized and unissued or issued common stock are reserved for issuance under the

2017

Plan, which expires

ten

years from the date of board approval of the plan. The per share exercise price of an option granted will

not

be less than the fair value of a share of common stock on the date the option is granted. Remaining available shares that can be issued under the Plan were

218,175

at

December 31, 2017.

The following table presents share data related to the outstanding options:

	2017			Weighted Average Exercise Price Per Share
Outstanding, January 1		29,324		$	23.67
Expired		(1,337	)		37.48
Exercised		(8,237	)		27.97
Outstanding, December 31		19,750		$	20.94
Exercisable, December 31		19,750		$	20.94

The total

intrinsic value of outstanding in-the-money exercisable stock options was

$538,000

at

December 31, 2017.

The following table summarizes the characteristics of stock options at

December 31,

2017:

			Outstanding						Exercisable
Grant Date	Exercise Price Per Share		Shares		Contractual Average Life		Average Exercise Price Per Share		Shares		Average Exercise Price Per Share
November 10, 2008	$	23.00		12,300		0.85	$	23.00		12,300	$	23.00
May 9, 2011	$	17.55		7,450		3.35	$	17.55		7,450	$	17.55
				19,750						19,750

N

o

options

were granted for the years ended

December 31, 2017

and

2016.

The Company recognizes compensation expense in the amount of fair value of the common stock at the grant date and as an addition to stockholders’ equity.

For each of the years ended

December

 

31,

2017,

2016,

and

2015,

the Company recorded

no

compensation cost related to vested stock options. As of

December 31, 2017,

there was

no

unrecognized compensation cost related to unvested stock options.

For the years ended

December 31, 2017

and

2016,

8,237

and

500

options were exercised resulting in net proceeds to the participant of

$95,000

and

$6,000,

respectively.

During

2017,

2016,

and

2015,

the Compensation Committee of the Board of Directors of the Company granted awards of an aggregate of

5,825,

5,090,

and

3,905,

respectively, restricted stock units (“RSUs”) to certain employees of the Bank. The expense recognized as a result of these awards was

$196,000,

$123,000,

and

$55,000

for the years ended

2017,

2016,

and

2015,

respectively. The number of RSUs earned or settled will depend on certain conditions and are also subject to service period-based vesting. The award recipient must maintain service with Middlefield Banc Corp. and affiliates until the

third

anniversary of the award to satisfy the service condition. The performance condition will be satisfied if the average total shareholder annual return on Middlefield Banc Corp. stock for the

three

subsequent years is at least

8.00%.

The following table presents the activity during

2017

related to awards of RSUs:

	Units			Weighted Average Grant Date Fair Value Per Share
Nonvested at January 1, 2017		8,995		$	32.93
Granted		5,825		$	38.70
Forfeited		(219	)	$	38.70
Nonvested at December 31, 2017		14,601		$	35.14
Expected to vest at December 31, 2017		14,601		$	35.14

XML

Note 15 - Commitments

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Commitments and Contingencies Disclosure [Text Block]

15. COMMITMENTS

In the normal course of business, there are various outstanding commitments and certain contingent liabilities which are

not

reflected in the accompanying consolidated financial statements. These commitments and contingent liabilities represent financial instruments with off-balance sheet risk. The contract or notional amounts of those instruments reflect the extent of involvement in particular types of financial instruments which were composed of the following

at

December 31:

(Dollar amounts in thousands)	2017		2016
Commitments to extend credit	$	234,023	$	161,646
Standby letters of credit		1,015		1,416
Total	$	235,038	$	163,062

These instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Balance Sheet. The Company

’s exposure to credit loss, in the event of nonperformance by the other parties to the financial instruments, is represented by the contractual amounts as disclosed. The Company minimizes its exposure to credit loss under these commitments by subjecting them to credit approval and review procedures and collateral requirements as deemed necessary. Commitments generally have fixed expiration dates within

one

year of their origination.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a

third

party. Performance letters of credit represent conditional commitments issued by the Company to guarantee the performance of a customer to a

third

party. These instruments are issued primarily to support bid or performance-related contracts. The coverage period for these instruments is typically a

one

-year period with an annual renewal option subject to prior approval by management. Fees earned from the issuance of these letters are recognized over the coverage period. For secured letters of credit, the collateral is typically bank deposit instruments or customer business assets.

Leasing Arrangements

The Company leases certain of its banking facilities under operating leases which contain certain renewal options. As of

December 31,

2017,

approximate future minimum rental payments, including the renewal options under these leases, are as follows (in thousands):

2018	$	655
2019		639
2020		641
2021		598
2022		365
Thereafter		920
Total	$	3,818

The above amounts represent minimum rentals

not

adjusted for possible future increases due to

escalation provisions and assume that all renewal option periods will be exercised by the Company. Rent expense approximated

$641,000,

$285,000,

and

$288,000

for the years ended

December 31, 2017,

2016,

and

2015,

respectively.

XML

Note 16 - Regulatory Restrictions

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Banking and Thrift Disclosure [Text Block]

16. REGULATORY R ESTRICTIONS

The Company is subject to the regulatory requirements of the Federal Reserve System as a bank holding company. The

bank is subject to regulations of the Federal Deposit Insurance Corporation (“FDIC”) and the State of Ohio, Division of Financial Institutions.

Cash Requirements

The Federal Reserve Bank

of Cleveland requires the Company to maintain certain average reserve balances. As of

December 31, 2017

and

2016,

the Bank had required reserves of

$15.8

million and

$2.9

million comprising vault cash and a depository amount held with the Federal Reserve Bank.

Loans

Federal law prevents the Company from borrowing from the Bank unless the loans are secured by specific obligations. Further, such secured loans are limited in amount of

10

% of the Bank’s common stock and capital surplus.

Dividends

MBC

is subject to dividend restrictions that generally limit the amount of dividends that can be paid by an Ohio state-chartered bank. Under the Ohio Banking Code, cash dividends

may

not

exceed net profits as defined for that year combined with retained net profits for the

two

preceding years less any required transfers to surplus. Under this formula the amount available for payment of dividends for

2017

approximates

$5.1

million plus

2018

profits retained up to the date of the dividend declaration. As a condition to the ODFI’s approval of the merger of Liberty into MBC, until the

second

anniversary of the merger, that is until

January 12, 2019,

MBC is required to obtain the ODFI’s advance approval for dividend payments to the Company.

XML

Note 17 - Regulatory Capital

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Regulatory Capital Requirements under Banking Regulations [Text Block]

17. REGULATORY CAPITAL

The Bank and Company are subject to regulatory capital requirements administered by banking agencies. Capital adequacy guidelines and prompt corrective-action regulations involve quantitative measures of assets, liabilities, and certain off-balance-sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators about components, risk weightings, and other factors and the regulators can lower classifications in certain cases. Failure to meet various capital requirements can initiate regulatory action that could have a direct material effect on the financial stateme

nts. As of

December 31, 2017,

the Bank and Company have met all capital adequacy requirements to which they are subject.

The prompt corrective action regulations provide

five

classifications, including well capitalized, adequately capitalized, under-capitalized, significantly undercapitalized, and critically undercapitalized, although these terms are

not

used to represent overall financial condition. If

an institution is adequately capitalized, regulatory approval is required before the institution

may

accept brokered deposits. If an institution is undercapitalized, capital distributions are limited, as is asset growth and expansion, and plans for capital restoration are required.

The Basel III Capital Rules became effective for the Bank on

January 1, 2015

and certain provisions are subject to a phase-in period. The implementation of the capital conservation buffer

began

January 1, 2016

at the

0.625%

level and will be phased in over a

four

-year period (increasing by that amount on each subsequent

January 1,

until it reaches

2.5%

on

January 1, 2019).

The capital conservation buffer is designed to absorb losses during periods of economic stress. Banking institutions with a ratio of Common Equity Tier

1

capital to risk-weighted assets above the minimum but below the conservation buffer (or below the combined capital conservation buffer and countercyclical capital buffer, when the latter is applied) will face constraints on dividends, equity repurchases and compensation based on the amount of the shortfall.

The following tables present actual and required capital ratios as of

December

31,

2017

and

2016,

under the Basel III Capital Rules. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules.

	As of December 31, 2017
				Tier 1 Risk			Common			Total Risk
	Leverage			Based			Equity Tier 1			Based
The Middlefield Banking Company		9.47	%		10.88	%		10.88	%		11.64	%
Middlefield Banc Corp.		10.20	%		11.64	%		10.79	%		12.41	%
Adequately capitalized ratio		4.00	%		6.00	%		4.50	%		8.00	%
Adequately capitalized ratio plus fully phased-in capital conservation buffer		4.00	%		8.50	%		7.00	%		10.50	%
Well-capitalized ratio (Bank only)		5.00	%		8.00	%		6.50	%		10.00	%

	As of December 31, 2016
				Tier 1 Risk			Common			Total Risk
	Leverage			Based			Equity Tier 1			Based
The Middlefield Banking Company		9.29	%		13.03	%		13.03	%		14.25	%
Middlefield Banc Corp.		9.27	%		13.07	%		13.07	%		15.75	%
Adequately capitalized ratio		4.00	%		6.00	%		4.50	%		8.00	%
Adequately capitalized ratio plus fully phased-in capital conservation buffer		4.00	%		8.50	%		7.00	%		10.50	%
Well-capitalized ratio (Bank only)		5.00	%		8.00	%		6.50	%		10.00	%

XML

Note 18 - Fair Value Disclosure Measurements

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Fair Value Disclosures [Text Block]

18. FAIR VALUE DISCLOSURE MEASUREMENTS

The following disclosures show the hierarchal disclosure framework associated with the level of pricing observations utilized in measuring assets and liabilities at fair value. The

three

broad levels defined by U.S. generally accepted accounting principles are as follows:

Level I: Quoted prices are available in active markets for identical assets or liabilities as of the reported date.

Level II: Pricing inputs are other than the quoted prices in active markets, which are either directly or indirectly observable as of the reported date. The nature of these assets and liabilities includes items for which quoted prices are available but traded less frequently and items that are fair-valued using other financial instruments, the parameters of which can be directly observed.

Level III: Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

This hierarchy requires the use of observable market data when available.

The following table

s present the assets measured on a recurring basis on the Consolidated Balance Sheet at their fair value by level within the fair value hierarchy. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

			December 31, 2017
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a recurring basis:
U.S. government agency securities	$	-	$	8,719	$	-	$	8,719
Obligations of states and political subdivisions		-		67,429		-		67,429
Mortgage-backed securities in government- sponsored entities		-		18,510		-		18,510
Total debt securities		-		94,658		-		94,658
Equity securities in financial institutions		-		625		-		625
Total	$	-	$	95,283	$	-	$	95,283

			December 31, 2016
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a recurring basis:
U.S. government agency securities	$	-	$	10,236	$	-	$	10,236
Obligations of states and political subdivisions		-		81,223		-		81,223
Mortgage-backed securities in government- sponsored entities		-		20,069		-		20,069
Private-label mortgage-backed securities		-		1,709		-		1,709
Total debt securities		-		113,237		-		113,237
Equity securities in financial institutions		-		1,139		-		1,139
Total	$	-	$	114,376	$	-	$	114,376

Financial instruments are considered Level III when their values are determined using pricing models, discounted cash flow methodologies or similar techniques and at least

one

significant model assumption or input is unobservable. In addition to these unobservable inputs, the valuation models for Level III financial instruments typically also rely on a number of inputs that are readily observable either directly or indirectly. Level III financial instruments also include those for which the determination of fair value requires significant management judgment or estimation.

The following tables present the assets measured on a non

-recurring basis on the Consolidated Balance Sheet at their fair value by level within the fair value hierarchy. Impaired loans that are collateral dependent are written down to fair value through the establishment of specific reserves. Techniques used to value the collateral that secure the impaired loan include quoted market prices for identical assets classified as Level I inputs and observable inputs, employed by certified appraisers, for similar assets classified as Level II inputs. In cases where valuation techniques included inputs that are unobservable and are based on estimates and assumptions developed by management based on the best information available under each circumstance, the asset valuation is classified as Level III inputs.

			December 31, 2017
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a non-recurring basis:
Impaired loans	$	-	$	-	$	3,072	$	3,072
Other real estate owned		-		-		32		32

			December 31, 2016
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a non-recurring basis:
Impaired loans	$	-	$	-	$	6,498	$	6,498
Other real estate owned		-		-		511		511

The following table

s present additional quantitative information about assets measured at fair value on a non-recurring basis and for which the Company uses Level III inputs to determine fair value:

	Quantitative Information about Level III Fair Value Measurements
(Dollar amounts in thousands)
	Fair Value Estimate		Valuation Techniques	Unobservable Input	Range (Weighted Average)
December 31, 2017
Impaired loans	$	3,072	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	86.1%	(13.8%)
Other real estate owned	$	32	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	10.0%

	Quantitative Information about Level III Fair Value Measurements
(Dollar amounts in thousands)
	Fair Value Estimate		Valuation Techniques	Unobservable Input	Range (Weighted Average)
December 31, 2016
Impaired loans	$	4,928	Discounted cash flow	Discount rate	3.1%	to	7.0%	(5.1%)
	$	1,570	Appraisal of collateral (1)	Appraisal adjustment (2)	0.0%	to	59.7%	(28.2%)
Other real estate owned	$	511	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	10.0%

( 1 ) Fair value is generally determined through independent appraisals of the underlying collateral, which g enerally include various level III inputs which are not identifiable, less any associated allowance.

( 2 ) Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range and weighted average of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.

The estimated fair value of the Company

’s financial instruments is as follows:

	December 31, 2017
	Carrying								Total
	Value		Level I		Level II		Level III		Fair Value
	(in thousands)
Financial assets:
Cash and cash equivalents	$	39,886	$	39,886	$	-	$	-	$	39,886
Investment securities available for sale		95,283		-		95,283		-		95,283
Loans held for sale		463		-		463		-		463
Net loans		916,023		-		-		913,323		913,323
Bank-owned life insurance		15,652		15,652		-		-		15,652
Federal Home Loan Bank stock		3,589		3,589		-		-		3,589
Accrued interest receivable		3,288		3,288		-		-		3,288
Financial liabilities:
Deposits	$	878,194	$	635,207	$	-	$	242,020	$	877,227
Short-term borrowings		74,707		74,707		-		-		74,707
Other borrowings		29,065		-		-		29,069		29,069
Accrued interest payable		578		578		-		-		578

	December 31, 2016
	Carrying								Total
	Value		Level I		Level II		Level III		Fair Value
	(in thousands)
Financial assets:
Cash and cash equivalents	$	32,495	$	32,495	$	-	$	-	$	32,495
Investment securities available for sale		114,376		-		114,376		-		114,376
Loans held for sale		634		-		634		-		634
Net loans		602,542		-		-		604,447		604,447
Bank-owned life insurance		13,540		13,540		-		-		13,540
Restricted stock		2,204		2,204		-		-		2,204
Accrued interest receivable		2,426		2,426		-		-		2,426
Financial liabilities:
Deposits	$	629,934	$	440,500	$	-	$	189,871	$	630,371
Short-term borrowings		68,359		68,359		-		-		68,359
Other borrowings		9,437		-		-		9,512		9,512
Accrued interest payable		395		395		-		-		395

Financial instruments are defined as cash, evidence of ownership interest in an entity, or a contract which creates an obligation or right to receive or deliver cash or another financial instrument from/to a

second

entity on potentially favorable or unfavorable terms.

Fair value is defined as the amount at which a financial instrument could be exchanged in a current transaction between willing parties other than in a forced liquidation sale. If a quoted market price is available for a financial instrument, the estimated fair value would be calculated based upon the market price per trading unit of the instrument.

If

no

readily available market exists, the fair value estimates for financial instruments should be based upon management

’s judgment regarding current economic conditions, interest rate risk, expected cash flows, future estimated losses, and other factors as determined through various option pricing formulas or simulation modeling. Since many of these assumptions result from judgments made by management based upon estimates which are inherently uncertain, the resulting estimated fair values

may

not

be indicative of the amount realizable in the sale of a particular financial instrument. In addition, changes in assumptions on which the estimated fair values are based

may

have a significant impact on the resulting estimated fair values.

As certain assets such as deferred tax assets and premises and equipment are

not

considered financial instruments, the estimated fair value of financial instruments would

not

represent the full value of the Company.

The Company employed simulation modeling in determining the estimated fair value of financial instruments for which quoted market prices were

not

available based

upon the following assumptions.

Cash and Cash Equivalents, Federal Home Loan Bank Stock, Accrued Interest Receivable, Accrued Interest Payable, and Short-Term Borrowings

The fair value is equal to the current carrying value.

Bank-Owned Life Insurance

The fair value is equal to the cash surrender value of the life insurance policies.

Investment Securities Available for Sale

The fair value of investment securities is equal to the available quoted market price.

  If

no

quoted market price is available, fair value is estimated using the quoted market price for similar securities.

Loans Held for Sale

Loans held for sale are carried at lower of cost or fair value. The fair value of loans held for sale is based on secondary market pricing on portfolios with similar characteristics. The changes in fair value of the assets are largely driven by changes in interest rates subsequent to loan funding and changes in the fair value of servicing associated with the mortgage loan held for sale. Within this total are student loans held for sale for which the fair value is based on readily determinable market prices, which is a level I Price.

Net

Loans

The fair value is estimated by discounting future cash flows using current market inputs at which loans with similar terms and qualities would be made to borrowers of similar credit quality. Where quoted market prices were available, primarily for certain residential mortgage loans, such market rates were utilized as estimates for fair value.

Deposits and Other Borrowed Funds

The fair values of certificates of deposit and other borrow

ings are based on the discounted value of contractual cash flows. The discount rates are estimated using rates currently offered for similar instruments with similar remaining maturities. Demand, savings, and money market deposits are valued at the amount payable on demand as of year end.

Commitments to Extend Credit

These financial instruments are generally

not

subject to sale, and estimated fair values are

not

readily available. The carrying value, represented by the net deferred fee arising from the unrecognized commitment or letter of credit, and the fair value, determined by discounting the remaining contractual fee over the term of the commitment using fees currently charged to enter into similar agreements with similar credit risk, are

not

considered material for disclosure. The contractual amounts of unfunded commitments and letters

of credit are presented in Note

15.

XML

Note 19 - Accumulated Other Comprehensive Income

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Comprehensive Income (Loss) Note [Text Block]

19. A CCUMULATED OTHER COMPREHENSIVE INCOME

The following table presents the changes in accumulated ot

her comprehensive income by component net of tax:

	Unrealized gains on
	available-for-sale
(Dollars in thousands)	securities (a)
Balance as of December 31, 2014	$	2,548
Other comprehensive income before reclassification		60
Amount reclassified from accumulated other comprehensive income		(213	)
Period change		(153	)
Balance at December 31, 2015	$	2,395
Balance as of December 31, 2015	$	2,395
Other comprehensive (loss) before reclassification		(994	)
Amount reclassified from accumulated other comprehensive income		(200	)
Period change		(1,194	)
Balance at December 31, 2016	$	1,201
Balance as of December 31, 2016	$	1,201
Other comprehensive income before reclassification		475
Amount reclassified from accumulated other comprehensive income		(585	)
Period change		(110	)
Balance at December 31, 2017	$	1,091

(a) All amounts are net of tax. Amounts in parentheses indicate debits to accumulated other comprehensive income.

The following tables present significant amounts reclassified out of each component of accumul

ated other comprehensive income:

	Amount Reclassified
	from Accumulated Other			Affected Line Item in
	Comprehensive Income			the Statement Where
(Dollars in thousands)	(a)			Net Income is
Details about other comprehensive income	December 31, 2017			Presented
Unrealized gains on available-for-sale securities
	$	886		Investment securities gains, net
		(301	)	Income taxes
	$	585

				Affected Line Item in
				the Statement Where
(Dollars in thousands)				Net Income is
Details about other comprehensive income	December 31, 2016			Presented
Unrealized gains on available-for-sale securities
	$	303		Investment securities gains, net
		(103	)	Income taxes
	$	200

				Affected Line Item in
				the Statement Where
(Dollars in thousands)				Net Income is
Details about other comprehensive income	December 31, 2015			Presented
Unrealized gains on available-for-sale securities
	$	323		Investment securities gains, net
		(110	)	Income taxes
	$	213

(a) Amounts in parentheses indicate expenses and other amounts indicate income.

XML

Note 20 - Business Acquisition

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Business Combination Disclosure [Text Block]

20. BUSINESS ACQUISITION

In the

second

quarter of

2016,

the Company announced the signing of a definitive merger agreement to acquire

100%

of the outstanding equity interest of Liberty

for cash and stock. Liberty was an Ohio bank that conducted its business from a main office in Beachwood, Ohio with branches in Twinsburg and Solon, Ohio.

The transaction closed on

January

 

12,

2017,

with Liberty having been merged into Middlefield Bank, with Middlefield Bank as the surviving entity. The acquisition established the Company’s presence in Cuyahoga and Summit Counties.

Under the terms of the merger agreement, the Company acquired all of the outstanding shares of Liberty for a total purchase price of

$42.2

million.

  As a result of the acquisition, the Company issued

544,610

common shares and

$21.2

million in cash to the former shareholders of Liberty. The shares were issued with a value of

$38.55

per share, which was the closing price of the Company’s stock on

January 12, 2017.

Prior to the acquisition the Company had a previously held equity interest in Liberty which was re-measured at fair value on the acquisition date and resulted in a gain of

$488,000,

which was recorded in the investment securities gains – net line on the Consolidated Statement of Income for the year ended

December 31, 2017.

The acquired assets and assumed liabilities were measured at estimated fair values. The Company relied on the income approach to estimate the value of the loans. The loans

’ underlying characteristics (account types, remaining terms (in months), annual interest rates or coupons, interest types, past delinquencies, timing of principal and interest payments, current market rates, loan-to-value ratios, loss exposures and remaining balance) were considered. Various assumptions were applied regarding credit, interest, and prepayment risks for the loans based on loan types, payment types and fixed or variable classifications.

The Company also recorded an identifiable intangible asset representin

g the core deposit base of Liberty. The discounted cash flow method was used in valuing this intangible. This method is based upon the principle of future benefits; economic value is based on anticipated future benefits as measured by cash flows expected to occur in the future. The estimated future cash flows are converted to a value indicator by determining the present value of the cash flows using a discount rate. The discount rate is based upon the nature of the business, the level of risk, and the expected stability of the estimated future cash flows. The higher the risk, the higher the discount rate, and the lower the value indicator.

Time deposit fair values were estimated using an income approach. The methodology entailed discounting the contractual cash flows of the instruments over their remaining contractual lives at prevailing market rates. Interest and principal payments were projected for each category of CDs over the period from the valuation date to the maturity dates. These payments represent future cash flows to be paid to depositors until maturity. Using appropriate market interest rates for each category of CDs, the future cash flows were discounted to their present value equivalents. The market interest rates were selected based on peer rates in Ohio from Bankrate as of the valuation date.

The following table summarizes the purchase of Liberty as of

January 12, 2017:

(In  Thousands, Except Per Share Data)
Purchase Price Consideration in Common Stock
Middlefield Banc Corp. shares issued		544,610
Value assigned to Middlefield Banc Corp. common shares	$	38.55
Purchase price assigned to Liberty common shares exchanged for Middlefield Banc Corp. shares					20,995
Purchase Price Consideration in Cash
Purchase price assigned to Liberty common shares exchanged for cash					21,173
Total Purchase Price					42,168
Previously held equity interest in Liberty					1,068
Net Assets Acquired:
Liberty shareholders equity	$	30,474
Adjustments to reflect assets acquired at fair value:
Loans
Allowance for loan loss		3,257
Loans - interest rate		578
Loans - general credit		(2,161	)
Core deposit intangible		3,087
Other		254
Adjustments to reflect liabilities acquired at fair value:
Time deposits		(141	)
Deferred taxes		(906	)
Change in control		(1,718	)
Total net assets acquired					32,724
Goodwill resulting from merger				$	10,512

The following condensed statement reflects the amounts recognized as of the acquisition date for each major class of asset acquired and liability assumed, at fair value:

(In  Thousands)
Total purchase price			$	42,168
Previously held equity interest in Liberty				1,068
Assets (liabilities) acquired:
Net assets acquired:
Cash	26,604
Loans and loans held for sale	201,341
Premises and equipment, net	325
Accrued interest receivable	440
Bank-owned life insurance	1,681
Core deposit intangible	3,087
Other assets	997
Time deposits	(30,744	)
Non-time deposits	(167,300	)
Accrued interest payable	(47	)
Deferred taxes	(906	)
Other liabilities	(2,754	)
Total net assets acquired				32,724
Goodwill resulting from the Liberty merger			$	10,512

Middlefield recorded goodwi

ll and intangibles associated with the purchase of Liberty totaling

$10.5

million. Goodwill is

not

amortized, but is periodically evaluated for impairment. Middlefield Bank did

not

recognize any impairment during the year ended

December 31, 2017.

Management made adjustments to goodwill subsequent to the acquisition of

$575,000

due to refinements in a purchase accounting adjustment.

Identifiable intangibles are amortized to their estimated residual values over the expected useful lives. Such lives are also periodically reassessed to determine if any amortization period adjustments are required. During the

year ended

December 31, 2017,

no

such adjustments were recorded. The identifiable intangible assets consist of a core deposit intangible which is being amortized over the estimated useful life. The gross carrying amount of the core deposit intangible at

December 31, 2017

was

$2.7

million with

$342,000

accumulated amortization as of that date.

As of

December 31, 2017,

the current year and estimated future amortization expense for the core deposit intangible is as follows:

Remaining	2018	$	352
	2019		341
	2020		332
	2021		321
	2022		309
	Thereafter		1,094
		$	2,749

Results of operations for

Liberty prior to the acquisition date are

not

included in the Consolidated Statement of Income for the year ended

December 31, 2017.

The results of activities from the former Liberty operations that are included in the Consolidated Statement of Income from the date of acquisition through

December 31, 2017

are broken out in the following table:

	Actual from Acquisition Date Through December 31, 2017
	(in thousands)
Net interest income	$	10,354
Noninterest income	$	744
Net income	$	2,625

The table below presents unaudited pro forma information as if the acquisition of Liberty had occurred on

January 1, 2016.

This has been prepared for comparative purposes only and is

not

necessarily indicative of the actual results that would have been attained had the acquisition occurred as of the beginning of the periods presented, nor is it indicative of future results. Furthermore, the unaudited pro forma information does

not

reflect management

’s estimate of any revenue-enhancing opportunities nor anticipated cost savings as a result of the integration and consolidation of the acquisition. Merger and acquisition integration costs and amortization of fair value adjustments are included in the amounts below.

	Pro Formas
	Twelve-month period ended December 31,
	2017		2016
	(in thousands, except per share data)
Net interest income	$	37,646	$	34,817
Noninterest income		4,920		5,485
Net income	$	8,438	$	8,692
Pro forma earnings per share:
Basic	$	2.79	$	4.12
Diluted	$	2.77	$	4.10

Included in the above net income amount for the

twelve

months ended

December 31, 2017

is

$1.1

million of nonrecurring merger expenses.

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Note 21 - Parent Company

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Condensed Financial Information of Parent Company Only Disclosure [Text Block]

21. PARENT COMPANY

Following are condensed financial statements for the Company.

CONDENSED BALANCE SHEET

(Dollar amounts in thousands)	December 31,
	2017		2016
ASSETS
Cash and due from banks	$	1,766	$	2,543
Investment securities available for sale		625		1,139
Investment in nonbank subsidiary		2,363		2,360
Investment in subsidiary bank		119,946		76,365
Other assets		3,450		2,837
TOTAL ASSETS	$	128,150	$	85,244
LIABILITIES
Trust preferred securities	$	8,248	$	8,248
Other liabilities		39		36
TOTAL LIABILITIES		8,287		8,284
STOCKHOLDERS' EQUITY		119,863		76,960
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	128,150	$	85,244

CONDENSED STATEMENT OF COMPREHENSIVE INCOME

	Year Ended December 31,
(Dollar amounts in thousands)	2017			2016			2015
INCOME
Dividends from subsidiary bank	$	10,425		$	3,400		$	4,023
Gain on sale of investment securities		488			-			-
Other		80			24			19
Total income		10,993			3,424			4,042
EXPENSES
Interest expense		460			366			290
Other		2,091			1,856			860
Total expenses		2,551			2,222			1,150
Income before income tax benefit		8,442			1,202			2,892
Income tax benefit		(673	)		(561	)		(386	)
Income before equity in undistributed net income of subsidiaries		9,115			1,763			3,278
Equity in undistributed net income of subsidiaries		340			4,653			3,587
NET INCOME	$	9,455		$	6,416		$	6,865
Comprehensive Income	$	9,345		$	5,222		$	6,712

CONDENSED STATEMENT OF CASH FLOWS

	Year Ended December 31 ,
(Dollar amounts in thousands )	201 7			201 6			201 5
OPERATING ACTIVITIE S
Net incom e	$	9,455		$	6,416		$	6,865
Adjustments to reconcile net income tonet cash provided by operating activities :
Equity in undistributed net income of Middlefield Banking Compan y		(337	)		(4,710	)		(3,703	)
Equity in undistributed netloss of EMOREC O		(3	)		57			116
Stock-based compensation expens e		33			29			18
Gain on sale of investment securitie s		(488	)		-			-
Other, ne t		282			(484	)		(503	)
Net cash provided by operating activitie s		8,942			1,308			2,793
INVESTING ACTIVITIES
Acquisition, net of cash paid		(22,249	)		-			-
FINANCING ACTIVITIE S
Net (decrease) increase in short-term borrowing s		-			(9,499	)		6,363
Purchase of treasury stoc k		-			-			(6,784	)
Proceeds from issuance of common stoc k		15,164			11,210			-
Stock options exercise d		184			(6	)		(7	)
Proceeds from dividend reinvestment pla n		540			519			651
Cash dividend s		(3,358	)		(2,318	)		(2,153	)
Net cash used for financing activitie s		12,530			(94	)		(1,930	)
Increase (decrease) in cash		(777	)		1,214			863
CASH AT BEGINNING OF YEA R		2,543			1,329			466
CASH AT END OF YEA R	$	1,766		$	2,543		$	1,329
SUPPLEMENTAL INFORMATION
Common stock issued in business acquisition	$	20,995		$	-		$	-

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Note 22 - Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Quarterly Financial Information [Text Block]

22. SELECTED QUARTERLY FINANCIAL DATA (Unaudited)

(Dollar amounts in thousands)	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2017		2017		2017		2017
Total interest and dividend income	$	10,199	$	10,902	$	11,330	$	11,564
Total interest expense		1,442		1,625		1,818		1,762
Net interest income		8,757		9,277		9,512		9,802
Provision for loan losses		165		170		280		430
Net interest income after provision for loan losses		8,592		9,107		9,232		9,372
Total noninterest income		1,511		989		1,441		918
Total noninterest expense		7,267		6,704		7,297		6,217
Income before income taxes		2,836		3,392		3,376		4,073
Income taxes		736		885		914		1,687
Net income	$	2,100	$	2,507	$	2,462	$	2,386
Per share data:
Net income
Basic	$	0.78	$	0.84	$	0.77	$	0.73
Diluted		0.78		0.83		0.76		0.73
Average shares outstanding:
Basic		2,679,816		3,000,451		3,212,335		3,215,300
Diluted		2,692,015		3,014,140		3,223,753		3,231,791

(Dollar amounts in thousands)	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2016		2016		2016		2016
Total interest and dividend income	$	7,348	$	7,405	$	7,420	$	7,821
Total interest expense		1,025		1,066		1,026		1,073
Net interest income		6,323		6,339		6,394		6,748
Provision for loan losses		105		105		105		255
Net interest income after provision for loan losses		6,218		6,234		6,289		6,493
Total noninterest income		909		1,173		977		900
Total noninterest expense		5,338		4,915		5,662		4,957
Income before income taxes		1,789		2,492		1,604		2,436
Income taxes		302		566		261		776
Net income	$	1,487	$	1,926	$	1,343	$	1,660
Per share data:
Net income
Basic	$	0.79	$	0.94	$	0.60	$	0.71
Diluted		0.79		0.94		0.60		0.70
Average shares outstanding:
Basic		1,878,177		2,051,137		2,247,587		2,251,412
Diluted		1,886,943		2,059,411		2,256,230		2,264,712

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Note 23 - Return on Equity and Assets

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Return on Equity and Assets [Text Block]

23. RETURN ON EQUITY AND ASSETS

The ratio of net income to average shareholders

’ equity and average total assets and certain other ratios are as follows for periods ended

December 31:

(Dollars in thousands)	2017			2016			2015
Average total assets	$	1,069,656		$	757,052		$	710,271
Average shareholders' equity	$	110,966		$	68,741		$	64,655
Net income	$	9,455		$	6,416		$	6,865
Net income available to common shareholders	$	9,455		$	6,416		$	6,865
Cash dividends declared per share	$	1.08		$	1.08		$	1.07
Return on average total assets		0.88	%		0.85	%		0.97	%
Return on average shareholders' equity		8.52	%		9.33	%		10.62	%
Dividend payout ratio (1)		35.52	%		36.18	%		31.36	%
Average shareholders' equity to average assets		10.37	%		9.08	%		9.10	%

(

1

) Cash dividends declared on common shares divided by net income available to common shareholders

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Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Basis of Accounting, Policy [Policy Text Block]

Nature of Operations and Basis of Presentation

Middlefield Banc Corp. (the “Company”) is an Ohio corporation organized to become the holding company of The Middlefield Banking Company (“MBC”). MBC is a state-c

hartered bank located in Ohio. On

October 23, 2009,

the Company established an asset resolution subsidiary named EMORECO, Inc. The Company and its subsidiaries derive substantially all of their income from banking and bank-related services, which includes interest earnings on residential real estate, commercial mortgage, commercial and consumer financings as well as interest earnings on investment securities and deposit services to its customers through

fourteen

full-service locations. The Company is supervised by the Board of Governors of the Federal Reserve System, while MBC is subject to regulation and supervision by the Federal Deposit Insurance Corporation and the Ohio Division of Financial Institutions.

The consolidated financial statements of the Company include its wholly

owned subsidiaries, MBC and EMORECO, Inc. Significant intercompany items have been eliminated in preparing the consolidated financial statements.

On

January 12, 2017,

the Company completed its acquisition of Liberty, pursuant to a previously announced definitive merger agreement. Under the terms of the merger agreement, Liberty shareholders received

$37.96

in cash or

1.1934

shares of the Company

’s common stock in exchange for each share of Liberty common stock they owned immediately prior to the merger. The Company issued

544,610

shares of its common stock in the merger and the aggregate merger consideration was approximately

$42.2

million. Upon closing, Liberty was merged into MBC, and its

three

full-service bank offices, in Twinsburg in northern Summit County and in Beachwood and Solon in eastern Cuyahoga County, became offices of MBC. The systems integration of Liberty into MBC was completed in

February, 2017.

The financial statements have been pr

epared in conformity with U.S. Generally Accepted Accounting Principles. In preparing the financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the balance sheet date and revenues and expenses for the period. Actual results could differ from those estimates.

Marketable Securities, Policy [Policy Text Block]

Investment Securities

Investment securities are classified at the time of purchase, based on management

’s intention and ability, as securities held to maturity or securities available for sale. Debt securities acquired with the intent and ability to hold to maturity are stated at cost adjusted for amortization of premium and accretion of discount, which are computed using a level yield method and recognized as adjustments of interest income. Certain other debt securities have been classified as available for sale to serve principally as a source of liquidity. Unrealized holding gains and losses for available-for-sale securities are reported as a separate component of stockholders’ equity, net of tax, until realized. Realized security gains and losses are computed using the specific identification method. Interest and dividends on investment securities are recognized as income when earned.

Securities are evaluated on at least a quarterly basis and more frequently when economic or market conditions warrant such an evaluation to determine whether a decline in their value is other than temporary. For debt securities, management considers whether the present value of cash flows expected to be collected are less than the security

’s amortized cost basis (the difference defined as the credit loss), the magnitude and duration of the decline, the reasons underlying the decline and the Bank’s intent to sell the security or whether it is more likely than

not

that the Bank would be required to sell the security before its anticipated recovery in market value, to determine whether the loss in value is other than temporary. Once a decline in value is determined to be other than temporary, if the Bank does

not

intend to sell the security, and it is more likely than

not

that it will

not

be required to sell the security, before recovery of the security’s amortized cost basis, the charge to earnings is limited to the amount of credit loss. Any remaining difference between fair value and amortized cost (the difference defined as the non-credit portion) is recognized in other comprehensive income, net of applicable taxes. Otherwise, the entire difference between fair value and amortized cost is charged to earnings. For equity securities where the fair value has been significantly below cost for

one

year, the Bank’s policy is to recognize an impairment loss unless sufficient evidence is available that the decline is

not

other than temporary and a recovery period can be predicted.

Stockholders' Equity, Policy [Policy Text Block]

Restricted Stock

Common stock of the Federal Home Loan Bank (“FHLB”) represents ownership in an institution that is wholly owned by other financial institutions. This equity security is accounted for at cost and classified with other assets.

The FHLB of Cincinnati has reported profits for

2017

and

2016,

remains in compliance with regulatory capital and liquidity requirements, and continues to pay dividends on the stock and make redemptions at the par value. With consideration given to these factors, management concluded that the stock was

not

impaired at

December 31, 2017

or

2016.

Loans and Leases Receivable, Mortgage Banking Activities, Policy [Policy Text Block]

Mortgage Banking Activities

Mortgage loans originated and intended for sale in the secondary market are carried at fair value. The

Bank sells the loans on a servicing retained basis. Servicing rights are initially recorded at fair value with the income statement effect recorded in gains on sales of loans. The Bank measures servicing assets using the amortization method. Fair value is based on market prices for comparable mortgage servicing contracts, when available, or alternatively, is based on a valuation model that calculates the present value of estimated future net servicing income. Loan servicing rights are amortized in proportion to and over the period of estimated net future servicing revenue. The expected period of the estimated net servicing income is based in part on the expected prepayment of the underlying mortgages. The unamortized balance of mortgage servicing rights is included in accrued interest and other assets on the Consolidated Balance Sheet.

Mortgage servicing rights

are periodically evaluated for impairment. Impairment represents the excess of amortized cost over its estimated fair value. Impairment is determined by stratifying rights into tranches based on predominant risk characteristics, such as interest rate and original time to maturity. Any impairment is reported as a valuation allowance for an individual tranche. If the Company later determines that all or a portion of the impairment

no

longer exists for a particular grouping, a reduction of the allowance will be recorded as an increase to income.

Servicing fee income is recorded for fees earned for servicing loans. The fees are based on a contractual percentage of outstanding principal and are recorded as income when earned. The amortization of mortgage servicing rights is netted against loan servicing fee income.

Late fees and ancillary fees related to loan servicing are

not

material. The Bank is servicing loans for others in the amount of

$50.4

million and

$39.9

million at

December 31, 2017

and

2016,

respectively.

Finance, Loans and Leases Receivable, Policy [Policy Text Block]

Loans

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff generally are reported at their outstanding unpaid principal balances net of the allowance for loan

and lease losses. Interest income is recognized as income when earned on the accrual method. The accrual of interest is discontinued on a loan when management believes, after considering economic and business conditions, the borrower’s financial condition is such that collection of interest is doubtful. Interest received on nonaccrual loans is recorded as income or applied against principal according to management’s judgment as to the collectability of such principal.

Loan origination fees and certain direct loan origination costs

are being deferred and the net amount amortized as an adjustment of the related loan’s yield. Management is amortizing these amounts over the contractual life of the related loans.

Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]

Allowance for Loan

and Lease

Losses

The allowance for loan

and lease losses represents the amount which management estimates is adequate to provide for probable loan losses inherent in the loan portfolio. The allowance method is used in providing for loan losses. Accordingly, all loan losses are charged to the allowance, and all recoveries are credited to it. The allowance for loan and lease losses is established through a provision for loan losses which is charged to operations. The provision is based on management’s periodic evaluation of the adequacy of the allowance for loan and lease losses, which encompasses the overall risk characteristics of the various portfolio segments, past experience with losses, the impact of economic conditions on borrowers, and other relevant factors. The estimates used in determining the adequacy of the allowance for loan and lease losses, including the amounts and timing of future cash flows expected on impaired loans, are particularly susceptible to significant change in the near term.

A loan is considered impaired when it is probable the borrower will

not

repay the loan according to the original contractual terms of the loan agreement. Management has determined that

first

mortgage loans on

one

-to-

four

family properties and all consumer loans represent large groups of smaller-balance homogeneous loans that are to be collectively evaluated. Loans that experience insignificant payment delays, which are defined as

90

days or less, generally are

not

classified as impaired. A loan is

not

impaired during a period of delay in payment if the Company expects to collect all amounts due, including interest accrued, at the contractual interest rate for the period of delay. All loans identified as impaired are evaluated independently by management. The Company estimates credit losses on impaired loans based on the present value of expected cash flows or the fair value of the underlying collateral if the loan repayment is expected to come from the sale or operation of such collateral. Impaired loans, or portions thereof, are charged off when it is determined a realized loss has occurred. Until such time, an allowance for loan

and lease losses is maintained for estimated losses. Cash receipts on impaired loans are applied

first

to accrued interest receivable unless otherwise required by the loan terms, except when an impaired loan is also a nonaccrual loan, in which case the portion of the payment related to interest is used to reduce principal.

Mortgage loans secured by

one

-to-

four

family properties and all consumer loa

ns are large groups of smaller-balance homogeneous loans and are measured for impairment collectively. Management determines the significance of payment delays on a case-by-case basis, taking into consideration all circumstances concerning the loan, the creditworthiness and payment history of the borrower, the length of the payment delay, and the amount of shortfall in relation to the principal and interest owed.

Loans and Leases Receivable, Valuation, Policy [Policy Text Block]

Loans Acquired

Loans acquired including loans that have evidence of deterioration of credit quality since origination and for which it is probable, at acquisition, that the Company will be unable to collect all contractually required payments receivable, are initially recorded at fair value (as determined by the present value of expected future cash flows) with

no

valuation allowance. Loans are evaluated individually to determine if there is evidence of deterioration of credit quality since origination. The difference between the undiscounted cash flows expected at acquisition and the investment in the loan, or the “accretable yield,” is recognized as interest income on a level-yield method over the life of the loan. Contractually required payments for interest and principal that exceed the undiscounted cash flows expected at acquisition, or the “non-accretable difference,” are

not

recognized as a yield adjustment or as a loss accrual or a valuation allowance. Increases in expected cash flows subsequent to the initial investment are recognized prospectively through adjustment of the yield on the loan over its remaining estimated life. Decreases in expected cash flows are recognized immediately as impairment. Any valuation allowances on these impaired loans reflect only losses incurred after acquisition.

For purchased loans acquired that are

not

deemed impaired at acquisition, credit discounts representing the principal losses expected over the life of the loan are a component of the initial fair value. Loans are aggregated and accounted for as a pool of loans if the loans being aggregated have common risk characteristics. Subsequent to the purchase date, the methods utilized to estimate the required allowance for credit losses for these loans is similar to originated loans; however, the Company records a provision for loan losses only when the required allowance exceeds any remaining credit discounts. The remaining differences between the purchase price and the unpaid principal balance at the date of acquisition are recorded in interest income over the life of the loans.

Property, Plant and Equipment, Policy [Policy Text Block]

Premises and Equipment

Land is carried at cost.

Premises and equipment are stated at cost net of accumulated depreciation. Depreciation is computed on the straight-line method over the estimated useful lives of the assets, which range from

3

to

20

years for furniture, fixtures, and equipment and

3

to

40

years for buildings and leasehold improvements. Expenditures for maintenance and repairs are charged against income as incurred. Costs of major additions and improvements are capitalized.

Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]

Goodwill

The Company accounts for goodwill using a

three

-step process for testing the impairment of goodwill on at least an annual basis. This approach could cause more volatility in the Company’s reported net income because impairment losses, if any, could occur irregularly and in varying amounts.

No

impairment of goodwill was recognized in any of the periods presented.

Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]

Intangible Assets

Intangible assets include core deposit intangibles, which are a measure of the value of consumer demand and savings deposits acquired in business combinations

accounted for as purchases. The core deposit intangibles are being amortized to their estimated residual values over their expected useful lives, commonly of

ten

years. The recoverability of the carrying value of intangible assets is evaluated on an ongoing basis, and permanent declines in value, if any, are charged to expense.

Life Insurance Corporate or Bank Owned [Policy Text Block]

Bank-Owned Life Insurance (“BOLI”)

The Company owns insurance on the lives of a certain group of key employees. The policies were purchased to help offset the increase in the costs of various fringe benefit plans including healthcare. The cash surrender value of these policies is included as an asset on the Consolidated Balance Sheet and any increases in the cash surrender value are recorded as noninterest income on the Consolidated Statement of Income. In the event of the death of an insured individual under these policies, the Company would receive a death benefit, which would be recorded as noninterest income.

Real Estate, Policy [Policy Text Block]

Other Real Estate Owned

Real estate properties acquired through foreclosure are initially recorded at fair value at the date of foreclosure, establishing a new cost basis. After foreclosure, management periodically performs valuations and the real estate is carried at the lower of cost or fair value less estimated cost to sell. Revenue and expenses from operations of the properties, gains or losses on sales and additions to the valuation allowance are included in operating results.

Income Tax, Policy [Policy Text Block]

Income Taxes

The Company and its subsidiaries file a consolidated federal income tax return. Deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which the deferred tax assets or liabilities are expected to be realized or settled. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes.

Earnings Per Share, Policy [Policy Text Block]

Earnings Per Share

The Company provides dua

l presentation of basic and diluted earnings per share. Basic earnings per share is calculated utilizing net income as reported in the numerator and average shares outstanding in the denominator. The computation of diluted earnings per share differs in that the dilutive effects of any stock options, warrants, and convertible securities are adjusted in the denominator.

Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]

Stock-Based Compensation

The Company accounts for stock compensation based on the grant date fair value of all share-based payment awards that are expected to vest, including employee share options to be recognized as employee compensation expense over the requisite service period.

Compensation cost is recognized for restricted stock units issued to employees based on the fair value of these awards at the date of grant. The market price of the Company

’s common shares at the date of grant is used to estimate the fair value of restricted stock units and stock awards. Compensation cost is recognized over the required service period, generally defined as the vesting period, and is recorded in "Salaries" expense. (See Note

14

-Employee Benefits)

Cash and Cash Equivalents, Policy [Policy Text Block]

Cash Flow Information

The Company has defined cash and cash equivalents as those amounts included in the Consolidated Balance Sheet captions as “Cash and due from banks” and “Federal funds sold” with original maturities of less than

90

days.

Advertising Costs, Policy [Policy Text Block]

Advertising Costs

Advertising costs are expensed as incurred.

Reclassification, Policy [Policy Text Block]

Reclassification of Comparative Amounts

Certain comparative amounts for prior years have been reclassified to conform to current-year presentations. Such reclassifications did

not

affect net income or retained earnings.

New Accounting Pronouncements, Policy [Policy Text Block]

Recent Accounting Pronouncements:

In

May

 

2014,

the FASB issued ASU

2014

-

09,

Revenue from Contracts with Customers (a new revenue recognition standard). The Update’s core principle is that a company will recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In addition, this Update specifies the accounting for certain costs to obtain or fulfill a contract with a customer and expands disclosure requirements for revenue recognition. This Update is effective for annual reporting periods beginning after

December 

15,

2016,

including interim periods within that reporting period. Since the guidance does

not

apply to revenue associated with financial instruments, including loan receivables and investment securities, we do

not

expect the adoption of the new standard, or any of the amendments, to result in a material change from our current accounting for revenue because the majority of the Company's revenue is

not

within the scope of Topic

606.

  However, we do expect that the standard will result in new disclosure requirements, which are currently being evaluated.

In

August 2015,

the FASB issued ASU

2015

-

14,

Revenue from Contracts with Customers (Topic

606

). The amendments in this Update defer the effective date of ASU

2014

-

09

for all entities by

one

year. Public business entities, certain

not

-for-profit entities, and certain employee benefit plans should apply the guidance in ASU

2014

-

09

to annual reporting periods beginning after

December 15, 2017,

including interim reporting periods within that reporting period. All other entities should apply the guidance in ASU

2014

-

09

to annual reporting periods beginning after

December 15, 2018,

and interim reporting periods within annual reporting periods beginning after

December 15, 2019.

The Company is evaluating the effect of adopting this new accounting Update.

In

February 2016,

the FASB issued ASU

2016

-

02,

Leases (Topic

842

). The standard requires lessees to recognize the assets and liabilities that arise from leases on the balance sheet.

  A lessee should recognize in the statement of financial position a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term.  A short-term lease is defined as

one

in which (a) the lease term is

12

months or less and (b) there is

not

an option to purchase the underlying asset that the lessee is reasonably certain to exercise. For short-term leases, lessees

may

elect to recognize lease payments over the lease term on a straight-line basis. For public business entities, the amendments in this Update are effective for fiscal years beginning after

December 15, 2018,

and interim periods within those years. For all other entities, the amendments in this Update are effective for fiscal years beginning after

December 15, 2019,

and for interim periods within fiscal years beginning after

December 15, 2020.

The amendments should be applied at the beginning of the earliest period presented using a modified retrospective approach with earlier application permitted as of the beginning of an interim or annual reporting period. The Company is currently assessing the practical expedients it

may

elect at adoption, but does

not

anticipate the amendments will have a significant impact on the financial statements. Based on the Company’s preliminary analysis of its current portfolio, the impact to the Company’s balance sheet is estimated to result in less than a

1

percent increase in assets and liabilities. The Company also anticipates additional disclosures to be provided at adoption.

In

June 2016,

the FASB issued ASU

2016

-

13,

Financial Instruments - Credit Losses: Measurement of Credit Losses on Financial Instruments, which changes the impairment model for most financial assets. This Update is intended to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations. The underlying premise of the Update is that financial assets measured at amortized cost should be presented at the net amount expected to be collected, through an allowance for credit losses that is deducted from the amortized cost basis. The allowance for credit losses should reflect management

’s current estimate of credit losses that are expected to occur over the remaining life of a financial asset. The income statement will be effected for the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period. ASU

2016

-

13

is effective for annual and interim periods beginning after

December 15, 2019,

and early adoption is permitted for annual and interim periods beginning after

December 15, 2018.

With certain exceptions, transition to the new requirements will be through a cumulative effect adjustment to opening retained earnings as of the beginning of the

first

reporting period in which the guidance is adopted. Management is currently evaluating the impact of the adoption of this guidance on the Company's consolidated financial statements. Management will oversee the implementation of CECL and is currently in the process of implementing a software solution to assist in the adoption of this ASU. Management plans to run the current incurred loss model and the CECL model concurrently for

12

months prior to the adoption of this guidance on

January 1, 2020.

In

January 2017,

the FASB issued ASU

2017

-

01,

Business Combinations (Topic

805

), Clarifying the Definition of a Business, which provides a more robust framework to use in determining when a set of assets and activities (collectively referred to as a “set”) is a business. The screen requires that when substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single identifiable asset or a group of similar identifiable assets, the set is

not

a business. This screen reduces the number of transactions that need to be further evaluated. Public business entities should apply the amendments in this Update to annual periods beginning after

December 15, 2017,

including interim periods within those periods. All other entities should apply the amendments to annual periods beginning after

December 15, 2018,

and interim periods within annual periods beginning after

December 15, 2019.

The amendments in this Update should be applied prospectively on or after the effective date. This Update is

not

expected to have a significant impact on the Company

’s financial statements.

In

January 2017,

the FASB issued ASU

2017

-

04,

Simplifying the Test for Goodwill Impairment. To simplify the subsequent measurement of goodwill, the FASB eliminated Step

2

from the goodwill impairment test. In computing the implied fair value of goodwill under Step

2,

an entity had to perform procedures to determine the fair value at the impairment testing date of its assets and liabilities (including unrecognized assets and liabilities) following the procedure that would be required in determining the fair value of assets acquired and liabilities assumed in a business combination. Instead, under the amendments in this Update, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit

’s fair value; however, the loss recognized should

not

exceed the total amount of goodwill allocated to that reporting unit. A public business entity that is a U.S. Securities and Exchange Commission (SEC) filer should adopt the amendments in this Update for its annual or any interim goodwill impairment tests in fiscal years beginning after

December 15, 2019.

A public business entity that is

not

an SEC filer should adopt the amendments in this Update for its annual or any interim goodwill impairment tests in fiscal years beginning after

December 15, 2020.

All other entities, including

not

-for-profit entities, that are adopting the amendments in this Update should do so for their annual or any interim goodwill impairment tests in fiscal years beginning after

December 15, 2021.

This Update is

not

expected to have a significant impact on the Company’s financial statements.

In

March 2017,

the FASB issued ASU

2017

-

08,

Receivables

– Nonrefundable Fees and Other Costs (Subtopic

310

-

20

). The amendments in this Update shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. The amendments do

not

require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. For public business entities, the amendments in this Update are effective for fiscal years, and interim periods within those fiscal years, beginning after

December 15, 2018.

For all other entities, the amendments are effective for fiscal years beginning after

December 15, 2019,

and interim periods within fiscal years beginning after

December 15, 2020.

Early adoption is permitted, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity should apply the amendments in this Update on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. Additionally, in the period of adoption, an entity should provide disclosures about a change in accounting principle. This Update is

not

expected to have a significant impact on the Company’s financial statements.

In

May 2017,

the FASB issued ASU

2017

-

09,

Compensation

– Stock Compensation (Topic

718

), which affects any entity that changes the terms or conditions of a share-based payment award.  This Update amends the definition of modification by qualifying that modification accounting does

not

apply to changes to outstanding share-based payment awards that do

not

affect the total fair value, vesting requirements, or equity/liability classification of the awards.  The amendments in this Update are effective for all entities for annual periods, and interim periods within those annual periods, beginning after

December 15, 2017.

Early adoption is permitted, including adoption in any interim period, for (

1

) public business entities for reporting periods for which financial statements have

not

yet been issued and (

2

) all other entities for reporting periods for which financial statements have

not

yet been made available for issuance. The amendments in this Update should be applied prospectively to an award modified on or after the adoption date. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s financial position or results of operations.

In

February 2018,

the FASB issued ASU

2018

-

02,

Income Statement

– Reporting Comprehensive Income (Topic

220

), which allows for optional reclassification of stranded tax effects related to the Tax Cuts and Jobs Act of

2017

(TCJA). When elected, this Update requires all stranded tax effects related to the TCJA to be reclassified (i.e., including other income tax effects

not

specifically related to the change in rates). Entities electing to reclassify stranded tax effects related to the TCJA are required to disclose that the election was made, including a description of the other income tax effects, if any, related to the TCJA that were reclassified. Entities

not

electing to reclassify stranded tax effects related to the TCJA are required to disclose, in the period of adoption, that the election was

not

made. In addition, all entities are required to disclose their accounting policy for releasing income tax effects from accumulated other comprehensive income (i.e., including those income tax effects

not

related to the TCJA). This Update requires certain additional transitional disclosures. Application is allowed at the beginning of the period of adoption (annual or interim) or retrospectively and is effective for all entities for fiscal years, and interim periods within those fiscal years, beginning after

December 15, 2018.

All entities, including public entities, that have

not

yet issued their financial statements

may

early adopt the standard. The Company is currently evaluating the impact the adoption of the standard will have on the Company’s financial position or results of operations.

XML

Note 2 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Weighted Average Number of Shares [Table Text Block]

	2017			2016			2015
Weighted-average common shares outstanding		3,415,115			2,494,022			2,251,365
Average treasury stock shares		(386,165	)		(386,165	)		(236,399	)
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share		3,028,950			2,107,857			2,014,966
Additional common stock equivalents (stock options) used to calculate diluted earnings per share		23,635			11,357			9,154
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share		3,052,585			2,119,214			2,024,120

XML

Note 3 - Investment Securities Available for Sale (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	December 31, 2017
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	8,664	$	126	$	(71	)	$	8,719
Obligations of states and political subdivisions:
Taxable		504		8		-			512
Tax-exempt		65,408		1,547		(38	)		66,917
Mortgage-backed securities in government-sponsored entities		18,640		157		(287	)		18,510
Total debt securities		93,216		1,838		(396	)		94,658
Equity securities in financial institutions		415		210		-			625
Total	$	93,631	$	2,048	$	(396	)	$	95,283

	December 31, 2016
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	10,158	$	174	$	(96	)	$	10,236
Obligations of states and political subdivisions:
Taxable		1,615		129		(4	)		1,740
Tax-exempt		78,327		1,678		(522	)		79,483
Mortgage-backed securities in government-sponsored entities		20,128		202		(261	)		20,069
Private-label mortgage-backed securities		1,579		130		-			1,709
Total debt securities		111,807		2,313		(883	)		113,237
Equity securities in financial institutions		750		389		-			1,139
Total	$	112,557	$	2,702	$	(883	)	$	114,376

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized		Fair
(Dollar amounts in thousands)	Cost		Value
Due in one year or less	$	2,340	$	2,377
Due after one year through five years		9,718		9,878
Due after five years through ten years		10,992		11,012
Due after ten years		70,166		71,391
Total	$	93,216	$	94,658

Realized Gain (Loss) on Investments [Table Text Block]

	2017				2016			2015
Proceeds from sales	$	6,474			$	9,063		$	15,686
Gross realized gains		911		*		309			440
Gross realized losses		(25	)			(6	)		(117	)

Schedule of Unrealized Loss on Investments [Table Text Block]

	December 31, 2017
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	557	$	(4	)	$	4,036	$	(67	)	$	4,593	$	(71	)
Obligations of states and political subdivisions
Tax-exempt		1,009		(6	)		2,784		(32	)		3,793		(38	)
Mortgage-backed securities in government-sponsored entities		5,698		(71	)		8,734		(216	)		14,432		(287	)
Total	$	7,264	$	(81	)	$	15,554	$	(315	)	$	22,818	$	(396	)

	December 31, 2016
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	3,803	$	(47	)	$	1,316	$	(49	)	$	5,119	$	(96	)
Obligations of states and political subdivisions
Taxable		502		(4	)		-		-			502		(4	)
Tax-exempt		23,554		(522	)		-		-			23,554		(522	)
Mortgage-backed securities in government-sponsored entities		9,066		(126	)		4,438		(135	)		13,504		(261	)
Total	$	36,925	$	(699	)	$	5,754	$	(184	)	$	42,679	$	(883	)

XML

Note 4 - Loans and Related Allowance for Loan and Lease Losses (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	2017			2016
Commercial and industrial	$	101,346		$	60,630
Real estate - construction		47,017			23,709
Real estate - mortgage:
Residential		318,157			270,830
Commercial		437,947			249,490
Consumer installment		18,746			4,481
		923,213			609,140
Less: Allowance for loan and lease losses		(7,190	)		(6,598	)
Net loans	$	916,023		$	602,542

Schedule Of Financing Receivable By Segment [Table Text Block]

					Real Estate- Mortgage
December 31, 2017	Commercial and industrial		Real estate- construction		Residential		Commercial			Consumer installment	Total
Loans:
Individually evaluated for impairment	$	3,627	$	44	$	2,824	$	5,610	$	4	$	12,109
Collectively evaluated for impairment		97,719		46,973		315,333		432,337		18,742		911,104
Total loans	$	101,346	$	47,017	$	318,157	$	437,947	$	18,746	$	923,213

					Real estate- Mortgage
December 31, 2016	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Loans:
Individually evaluated for impairment	$	1,190	$	913	$	3,135	$	7,187	$	5	$	12,430
Collectively evaluated for impairment		59,440		22,796		267,695		242,303		4,476		596,710
Total loans	$	60,630	$	23,709	$	270,830	$	249,490	$	4,481	$	609,140

Schedule of Credit Losses for Financing Receivables, Current [Table Text Block]

					Real Estate- Mortgage
December 31, 2017	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Allowance for loan and lease losses:
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$	694	$	-	$	140	$	733	$	-	$	1,567
Collectively evaluated for impairment		305		313		1,620		3,303		82		5,623
Total ending allowance balance	$	999	$	313	$	1,760	$	4,036	$	82	$	7,190

					Real Estate- Mortgage
December 31, 2016	Commercial and industrial		Real estate- construction		Residential		Commercial		Consumer installment		Total
Allowance for loan and lease losses:
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$	90	$	-	$	251	$	186	$	-	$	527
Collectively evaluated for impairment		358		172		2,567		2,949		25		6,071
Total ending allowance balance	$	448	$	172	$	2,818	$	3,135	$	25	$	6,598

	Commercial and industrial			Real estate- construction		Real estate- residential mortgage			Real estate- commercial mortgage			Consumer installment			Total
ALLL balance at December 31, 2016	$	448		$	172	$	2,818		$	3,135		$	25		$	6,598
Charge-offs		(536	)		-		(117	)		(39	)		(462	)		(1,154	)
Recoveries		234			34		241			111			81			701
Provision		853			107		(1,182	)		829			438			1,045
ALLL balance at December 31, 2017	$	999		$	313	$	1,760		$	4,036		$	82		$	7,190

	Commercial and industrial			Real estate- construction			Real estate- residential mortgage			Real estate- commercial mortgage			Consumer installment			Total
ALLL balance at December 31, 2015	$	867		$	276		$	3,139		$	2,078		$	25		$	6,385
Charge-offs		(237	)		-			(414	)		(70	)		(22	)		(743	)
Recoveries		90			-			141			140			15			386
Provision		(272	)		(104	)		(48	)		987			7			570
ALLL balance at December 31, 2016	$	448		$	172		$	2,818		$	3,135		$	25		$	6,598

Impaired Financing Receivables [Table Text Block]

December 31, 2017
Impaired Loans
			Unpaid
	Recorded		Principal		Related
	Investment		Balance		Allowance
With no related allowance recorded:
Commercial and industrial	$	450	$	1,006	$	-
Real estate - construction		44		44		-
Real estate - mortgage:
Residential		1,685		1,904		-
Commercial		1,870		1,984		-
Consumer installment		4		4		-
Total	$	4,053	$	4,942	$	-
With an allowance recorded:
Commercial and industrial	$	3,177	$	3,888	$	694
Real estate - mortgage:
Residential		1,139		1,179		140
Commercial		3,740		3,913		733
Total	$	8,056	$	8,980	$	1,567
Total:
Commercial and industrial	$	3,627	$	4,894	$	694
Real estate - construction		44		44		-
Real estate - mortgage:
Residential		2,824		3,083		140
Commercial		5,610		5,897		733
Consumer installment		4		4		-
Total	$	12,109	$	13,922	$	1,567

December 31, 2016
Impaired Loans
			Unpaid
	Recorded		Principal		Related
	Investment		Balance		Allowance
With no related allowance recorded:
Commercial and industrial	$	319	$	318	$	-
Real estate - construction		913		909		-
Real estate - mortgage:
Residential		2,142		2,140		-
Commercial		2,031		2,027		-
Total	$	5,405	$	5,394	$	-
With an allowance recorded:
Commercial and industrial	$	871	$	868	$	90
Real estate - mortgage:
Residential		993		991		251
Commercial		5,156		5,147		186
Consumer installment		5		5		-
Total	$	7,025	$	7,011	$	527
Total:
Commercial and industrial	$	1,190	$	1,186	$	90
Real estate - construction		913		909		-
Real estate - mortgage:
Residential		3,135		3,131		251
Commercial		7,187		7,174		186
Consumer installment		5		5		-
Total	$	12,430	$	12,405	$	527

Schedule of Additional Information Related to Impaired Loans [Table Text Block]

	As of December 31, 2017				As of December 31, 2016				As of December 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Commercial and industrial	$	2,378	$	178	$	1,211	$	32	$	1,468	$	100
Real estate - construction		565		1		1,281		10		2,407		115
Real estate - mortgage:
Residential		3,068		89		3,529		98		4,356		160
Commercial		6,820		446		7,384		368		5,203		350
Consumer installment		5		1		6		1		6		-
Total	$	12,836	$	715	$	13,411	$	509	$	13,440	$	725

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

	December 31, 2017
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		4		-		4	$	127	$	127
Residential real estate		5		-		5		256		256

	December 31, 2016
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		5		-		5	$	610	$	610
Residential real estate		4		-		4		166		166
Commercial real estate		1		-		1		311		311

	December 31, 2015
	Number of Contracts						Pre-Modification		Post-Modification
	Term						Outstanding Recorded		Outstanding Recorded
Troubled Debt Restructurings	Modification		Other		Total		Investment		Investment
Commercial and industrial		6		-		6	$	434	$	434
Real estate construction		1		-		1		181		181
Residential real estate		5		1		6		515		535
Commercial real estate		1		-		1		270		270

Financing Receivable Credit Quality Indicators [Table Text Block]

	December 31, 2017
			Special						Total
	Pass		Mention		Substandard		Doubtful		Loans
Commercial and industrial	$	95,621	$	1,942	$	3,783	$	-	$	101,346
Real estate - construction		46,995		-		22		-		47,017
Real estate - mortgage:
Residential		312,176		723		5,258		-		318,157
Commercial		424,225		9,164		4,558		-		437,947
Consumer installment		18,742		-		4		-		18,746
Total	$	897,759	$	11,829	$	13,625	$	-	$	923,213

	December 31, 2016
			Special						Total
	Pass		Mention		Substandard		Doubtful		Loans
Commercial and industrial	$	58,539	$	663	$	1,428	$	-	$	60,630
Real estate - construction		23,541		144		24		-		23,709
Real estate - mortgage:
Residential		264,481		428		5,921		-		270,830
Commercial		240,678		4,422		4,390		-		249,490
Consumer installment		4,467		-		14		-		4,481
Total	$	591,706	$	5,657	$	11,777	$	-	$	609,140

Past Due Financing Receivables [Table Text Block]

	December 31, 2017
			30-59 Days		60-89 Days		90 Days+		Total		Total
	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and industrial	$	99,633	$	1,607	$	29	$	77	$	1,713	$	101,346
Real estate - construction		47,017		-		-		-		-		47,017
Real estate - mortgage:
Residential		314,866		1,977		227		1,087		3,291		318,157
Commercial		434,879		1,907		1		1,160		3,068		437,947
Consumer installment		18,736		10		-		-		10		18,746
Total	$	915,131	$	5,501	$	257	$	2,324	$	8,082	$	923,213

	December 31, 2016
			30-59 Days		60-89 Days		90 Days+		Total		Total
	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and industrial	$	60,407	$	17	$	2	$	204	$	223	$	60,630
Real estate - construction		23,709		-		-		-		-		23,709
Real estate - mortgage:
Residential		268,041		1,909		207		673		2,789		270,830
Commercial		249,081		92		-		317		409		249,490
Consumer installment		4,465		-		10		6		16		4,481
Total	$	605,703	$	2,018	$	219	$	1,200	$	3,437	$	609,140

Schedule of Financing Receivables, Non Accrual Status [Table Text Block]

	December 31, 2017
			90+ Days Past
	Nonaccrual			Due and Accruing
Commercial and industrial	$	1,120	$	-
Real estate - construction		-		-
Real estate - mortgage:
Residential		4,002		-
Commercial		3,311		-
Consumer installment		-		-
Total	$	8,433	$	-

	December 31, 2016
			90+ Days Past
	Nonaccrual		Due and Accruing
Commercial and industrial	$	454	$	-
Real estate - construction		-		-
Real estate - mortgage:
Residential		4,034		-
Commercial		1,409		-
Consumer installment		6		-
Total	$	5,903	$	-

Subsequently Defaulted [Member]

Notes Tables

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

	December 31, 2016
	Number of		Recorded
Troubled Debt Restructurings subsequently defaulted	Contracts		Investment
Commercial and industrial		2	$	7
Real estate construction		1		-
Residential real estate		4		278
Commercial real estate		1		119

	December 31, 2015
	Number of		Recorded
Troubled Debt Restructurings subsequently defaulted	Contracts		Investment
Commercial and industrial		2	$	14
Real estate construction		1		130

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Note 6 - Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Property, Plant and Equipment [Table Text Block]

(Dollar amounts in thousands)	2017		2016
Land and land improvements	$	2,920	$	2,891
Building and leasehold improvements		14,277		12,081
Furniture, fixtures, and equipment		7,010		5,404
Total premises and equipment		24,207		20,376
Less accumulated depreciation and amortization		12,354		9,173
Total premises and equipment, net	$	11,853	$	11,203

XML

Note 7 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2018	$	352
2019		341
2020		332
2021		321
2022		309
Thereafter		1,094
Total	$	2,749

XML

Note 8 - Other Assets (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Other Assets [Table Text Block]

(Dollar amounts in thousands)	2017		2016
Restricted stock	$	3,589	$	2,204
Accrued interest receivable on investment securities		707		812
Accrued interest receivable on loans		2,581		1,614
Deferred tax asset, net		647		1,607
Other		1,620		1,265
Total	$	9,144	$	7,502

XML

Note 10 - Short-term Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Short-term Debt [Table Text Block]

(Dollar amounts in thousands)	2017			2016
Balance at year-end	$	74,707		$	68,359
Average balance outstanding		63,910			37,130
Maximum month-end balance		114,025			68,359
Weighted-average rate at year-end		1.36	%		0.61	%
Weighted-average rate during the year		1.18	%		0.89	%

Schedule of Repurchase Agreements [Table Text Block]

	Repurchase Agreements (Sweep) Accounted
	for as Secured Borrowings
(Dollar amounts in thousands)	Overnight and Continuous
	December 31, 2017		December 31, 2016
Repurchase agreements secured by:
Mortgage-backed securities in government sponsored entities	$	2,040	$	2,667
Tax-exempt obligations of states and political subdivisions		495		968
Gross amount of pledged collateral		2,535		3,635
Gross amount of recognized liabilities	$	1,989	$	2,129

XML

Note 11 - Other Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Debt [Table Text Block]

				Weighted-			Stated interest
(Dollar amounts in thousands)	Maturity range			average			rate range
Description	from		to	interest rate			from			to			2017		2016
Fixed-rate amortizing	02/01/18	10/01/28			1.24	%		1.01	%	4.47	%	$	20,817	$	1,189
Junior subordinated debt	12/21/37	12/21/37			2.85	%		2.56	%	3.05	%		8,248		8,248
Total												$	29,065	$	9,437

Schedule of Maturities of Long-term Debt [Table Text Block]

(Dollar amounts in thousands)
			Weighted-
Year Ending December 31,	Amount		Average Rate
2018	$	20,252		1.16	%
2019		155		4.04	%
2020		116		4.04	%
2021		87		4.04	%
2022		65		4.04	%
Beyond 2022		8,390		2.79	%
Total	$	29,065		2.86	%

XML

Note 12 - Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Other Liabilities [Table Text Block]

	2017		2016
(Dollar amounts in thousands)
Accrued interest payable	$	578	$	395
Supplemental Executive Retirement Plan		1,427		1,125
Accrued salary expense		956		768
Other		1,546		843
Total	$	4,507	$	3,131

XML

Note 13 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

(Dollar amounts in thousands)	2017		2016			2015
Current payable	$	3,929	$	1,998		$	1,004
Deferred		293		(93	)		558
Total provision	$	4,222	$	1,905		$	1,562

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

(Dollar amounts in thousands)	2017		2016
Deferred tax assets:
Allowance for loan and lease losses	$	1,210	$	2,243
Supplemental retirement plan		528		382
Investment security basis adjustment		18		66
Nonaccrual interest income		371		456
OREO adjustments		2		26
Accrued compensation		201		261
Other		86		82
Gross deferred tax assets		2,416		3,516
Deferred tax liabilities:
Premises and equipment		356		445
Net unrealized gain on securities		347		618
FHLB stock dividends		139		225
Intangibles		307		449
Mortgage servicing rights		71		103
Deferred origination fees, net		294		63
Acquisition fair value adjustments		250		1
Other		5		5
Gross deferred tax liabilities		1,769		1,909
Net deferred tax assets	$	647	$	1,607

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

(Dollar amounts in thousands)	2017						2016						2015
				% of						% of						% of
				Pretax						Pretax						Pretax
	Amount			Income			Amount			Income			Amount			Income
Provision at statutory rate	$	4,651			34.0	%	$	2,829			34.0	%	$	2,866			34.0	%
Tax-exempt income		(1,045	)		(7.6	)%		(1,177	)		(14.1	)%		(1,347	)		(15.9	)%
Nondeductible interest expense		32			0.2	%		32			0.4	%		34			0.4	%
Nondeductible merger-related expense		43			0.3	%		186			2.2	%		-			-	%
Stock-based compensation		(50	)		(0.4	)%		-			-	%		-			-	%
Change in effective corporate tax rate		401			2.9	%		-			-	%		-			-	%
Other		190			1.5	%		35			0.4	%		9			-	%
Actual tax expense and effective rate	$	4,222			30.9	%	$	1,905			22.9	%	$	1,562			18.5	%

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Note 14 - Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block]

	Projected Payments
2018	$	18,000
2019		12,000
2020		10,000
2021		2,000
Total	$	42,000

Share-based Compensation, Stock Options, Activity [Table Text Block]

	2017			Weighted Average Exercise Price Per Share
Outstanding, January 1		29,324		$	23.67
Expired		(1,337	)		37.48
Exercised		(8,237	)		27.97
Outstanding, December 31		19,750		$	20.94
Exercisable, December 31		19,750		$	20.94

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

			Outstanding						Exercisable
Grant Date	Exercise Price Per Share		Shares		Contractual Average Life		Average Exercise Price Per Share		Shares		Average Exercise Price Per Share
November 10, 2008	$	23.00		12,300		0.85	$	23.00		12,300	$	23.00
May 9, 2011	$	17.55		7,450		3.35	$	17.55		7,450	$	17.55
				19,750						19,750

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	Units			Weighted Average Grant Date Fair Value Per Share
Nonvested at January 1, 2017		8,995		$	32.93
Granted		5,825		$	38.70
Forfeited		(219	)	$	38.70
Nonvested at December 31, 2017		14,601		$	35.14
Expected to vest at December 31, 2017		14,601		$	35.14

XML

Note 15 - Commitments (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Other Commitments [Table Text Block]

(Dollar amounts in thousands)	2017		2016
Commitments to extend credit	$	234,023	$	161,646
Standby letters of credit		1,015		1,416
Total	$	235,038	$	163,062

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

2018	$	655
2019		639
2020		641
2021		598
2022		365
Thereafter		920
Total	$	3,818

XML

Note 17 - Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

	As of December 31, 2017
				Tier 1 Risk			Common			Total Risk
	Leverage			Based			Equity Tier 1			Based
The Middlefield Banking Company		9.47	%		10.88	%		10.88	%		11.64	%
Middlefield Banc Corp.		10.20	%		11.64	%		10.79	%		12.41	%
Adequately capitalized ratio		4.00	%		6.00	%		4.50	%		8.00	%
Adequately capitalized ratio plus fully phased-in capital conservation buffer		4.00	%		8.50	%		7.00	%		10.50	%
Well-capitalized ratio (Bank only)		5.00	%		8.00	%		6.50	%		10.00	%

	As of December 31, 2016
				Tier 1 Risk			Common			Total Risk
	Leverage			Based			Equity Tier 1			Based
The Middlefield Banking Company		9.29	%		13.03	%		13.03	%		14.25	%
Middlefield Banc Corp.		9.27	%		13.07	%		13.07	%		15.75	%
Adequately capitalized ratio		4.00	%		6.00	%		4.50	%		8.00	%
Adequately capitalized ratio plus fully phased-in capital conservation buffer		4.00	%		8.50	%		7.00	%		10.50	%
Well-capitalized ratio (Bank only)		5.00	%		8.00	%		6.50	%		10.00	%

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Note 18 - Fair Value Disclosure Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

			December 31, 2017
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a recurring basis:
U.S. government agency securities	$	-	$	8,719	$	-	$	8,719
Obligations of states and political subdivisions		-		67,429		-		67,429
Mortgage-backed securities in government- sponsored entities		-		18,510		-		18,510
Total debt securities		-		94,658		-		94,658
Equity securities in financial institutions		-		625		-		625
Total	$	-	$	95,283	$	-	$	95,283

			December 31, 2016
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a recurring basis:
U.S. government agency securities	$	-	$	10,236	$	-	$	10,236
Obligations of states and political subdivisions		-		81,223		-		81,223
Mortgage-backed securities in government- sponsored entities		-		20,069		-		20,069
Private-label mortgage-backed securities		-		1,709		-		1,709
Total debt securities		-		113,237		-		113,237
Equity securities in financial institutions		-		1,139		-		1,139
Total	$	-	$	114,376	$	-	$	114,376

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

			December 31, 2017
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a non-recurring basis:
Impaired loans	$	-	$	-	$	3,072	$	3,072
Other real estate owned		-		-		32		32

			December 31, 2016
(Dollar amounts in thousands)	Level I		Level II		Level III		Total
Assets measured on a non-recurring basis:
Impaired loans	$	-	$	-	$	6,498	$	6,498
Other real estate owned		-		-		511		511

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

	Quantitative Information about Level III Fair Value Measurements
(Dollar amounts in thousands)
	Fair Value Estimate		Valuation Techniques	Unobservable Input	Range (Weighted Average)
December 31, 2017
Impaired loans	$	3,072	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	86.1%	(13.8%)
Other real estate owned	$	32	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	10.0%

	Quantitative Information about Level III Fair Value Measurements
(Dollar amounts in thousands)
	Fair Value Estimate		Valuation Techniques	Unobservable Input	Range (Weighted Average)
December 31, 2016
Impaired loans	$	4,928	Discounted cash flow	Discount rate	3.1%	to	7.0%	(5.1%)
	$	1,570	Appraisal of collateral (1)	Appraisal adjustment (2)	0.0%	to	59.7%	(28.2%)
Other real estate owned	$	511	Appraisal of collateral (1)	Appraisal adjustments (2)	0%	to	10.0%

Fair Value, by Balance Sheet Grouping [Table Text Block]

	December 31, 2017
	Carrying								Total
	Value		Level I		Level II		Level III		Fair Value
	(in thousands)
Financial assets:
Cash and cash equivalents	$	39,886	$	39,886	$	-	$	-	$	39,886
Investment securities available for sale		95,283		-		95,283		-		95,283
Loans held for sale		463		-		463		-		463
Net loans		916,023		-		-		913,323		913,323
Bank-owned life insurance		15,652		15,652		-		-		15,652
Federal Home Loan Bank stock		3,589		3,589		-		-		3,589
Accrued interest receivable		3,288		3,288		-		-		3,288
Financial liabilities:
Deposits	$	878,194	$	635,207	$	-	$	242,020	$	877,227
Short-term borrowings		74,707		74,707		-		-		74,707
Other borrowings		29,065		-		-		29,069		29,069
Accrued interest payable		578		578		-		-		578

	December 31, 2016
	Carrying								Total
	Value		Level I		Level II		Level III		Fair Value
	(in thousands)
Financial assets:
Cash and cash equivalents	$	32,495	$	32,495	$	-	$	-	$	32,495
Investment securities available for sale		114,376		-		114,376		-		114,376
Loans held for sale		634		-		634		-		634
Net loans		602,542		-		-		604,447		604,447
Bank-owned life insurance		13,540		13,540		-		-		13,540
Restricted stock		2,204		2,204		-		-		2,204
Accrued interest receivable		2,426		2,426		-		-		2,426
Financial liabilities:
Deposits	$	629,934	$	440,500	$	-	$	189,871	$	630,371
Short-term borrowings		68,359		68,359		-		-		68,359
Other borrowings		9,437		-		-		9,512		9,512
Accrued interest payable		395		395		-		-		395

XML

Note 19 - Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Unrealized gains on
	available-for-sale
(Dollars in thousands)	securities (a)
Balance as of December 31, 2014	$	2,548
Other comprehensive income before reclassification		60
Amount reclassified from accumulated other comprehensive income		(213	)
Period change		(153	)
Balance at December 31, 2015	$	2,395
Balance as of December 31, 2015	$	2,395
Other comprehensive (loss) before reclassification		(994	)
Amount reclassified from accumulated other comprehensive income		(200	)
Period change		(1,194	)
Balance at December 31, 2016	$	1,201
Balance as of December 31, 2016	$	1,201
Other comprehensive income before reclassification		475
Amount reclassified from accumulated other comprehensive income		(585	)
Period change		(110	)
Balance at December 31, 2017	$	1,091

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

	Amount Reclassified
	from Accumulated Other			Affected Line Item in
	Comprehensive Income			the Statement Where
(Dollars in thousands)	(a)			Net Income is
Details about other comprehensive income	December 31, 2017			Presented
Unrealized gains on available-for-sale securities
	$	886		Investment securities gains, net
		(301	)	Income taxes
	$	585

				Affected Line Item in
				the Statement Where
(Dollars in thousands)				Net Income is
Details about other comprehensive income	December 31, 2016			Presented
Unrealized gains on available-for-sale securities
	$	303		Investment securities gains, net
		(103	)	Income taxes
	$	200

				Affected Line Item in
				the Statement Where
(Dollars in thousands)				Net Income is
Details about other comprehensive income	December 31, 2015			Presented
Unrealized gains on available-for-sale securities
	$	323		Investment securities gains, net
		(110	)	Income taxes
	$	213

XML

Note 20 - Business Acquisition (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

(In  Thousands, Except Per Share Data)
Purchase Price Consideration in Common Stock
Middlefield Banc Corp. shares issued		544,610
Value assigned to Middlefield Banc Corp. common shares	$	38.55
Purchase price assigned to Liberty common shares exchanged for Middlefield Banc Corp. shares					20,995
Purchase Price Consideration in Cash
Purchase price assigned to Liberty common shares exchanged for cash					21,173
Total Purchase Price					42,168
Previously held equity interest in Liberty					1,068
Net Assets Acquired:
Liberty shareholders equity	$	30,474
Adjustments to reflect assets acquired at fair value:
Loans
Allowance for loan loss		3,257
Loans - interest rate		578
Loans - general credit		(2,161	)
Core deposit intangible		3,087
Other		254
Adjustments to reflect liabilities acquired at fair value:
Time deposits		(141	)
Deferred taxes		(906	)
Change in control		(1,718	)
Total net assets acquired					32,724
Goodwill resulting from merger				$	10,512

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

(In  Thousands)
Total purchase price			$	42,168
Previously held equity interest in Liberty				1,068
Assets (liabilities) acquired:
Net assets acquired:
Cash	26,604
Loans and loans held for sale	201,341
Premises and equipment, net	325
Accrued interest receivable	440
Bank-owned life insurance	1,681
Core deposit intangible	3,087
Other assets	997
Time deposits	(30,744	)
Non-time deposits	(167,300	)
Accrued interest payable	(47	)
Deferred taxes	(906	)
Other liabilities	(2,754	)
Total net assets acquired				32,724
Goodwill resulting from the Liberty merger			$	10,512

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2018	$	352
2019		341
2020		332
2021		321
2022		309
Thereafter		1,094
Total	$	2,749

Business Acquisition, Pro Forma Information [Table Text Block]

	Actual from Acquisition Date Through December 31, 2017
	(in thousands)
Net interest income	$	10,354
Noninterest income	$	744
Net income	$	2,625

	Pro Formas
	Twelve-month period ended December 31,
	2017		2016
	(in thousands, except per share data)
Net interest income	$	37,646	$	34,817
Noninterest income		4,920		5,485
Net income	$	8,438	$	8,692
Pro forma earnings per share:
Basic	$	2.79	$	4.12
Diluted	$	2.77	$	4.10

Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]

Notes Tables

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Remaining	2018	$	352
	2019		341
	2020		332
	2021		321
	2022		309
	Thereafter		1,094
		$	2,749

XML

Note 21 - Parent Company (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Condensed Balance Sheet [Table Text Block]

(Dollar amounts in thousands)	December 31,
	2017		2016
ASSETS
Cash and due from banks	$	1,766	$	2,543
Investment securities available for sale		625		1,139
Investment in nonbank subsidiary		2,363		2,360
Investment in subsidiary bank		119,946		76,365
Other assets		3,450		2,837
TOTAL ASSETS	$	128,150	$	85,244
LIABILITIES
Trust preferred securities	$	8,248	$	8,248
Other liabilities		39		36
TOTAL LIABILITIES		8,287		8,284
STOCKHOLDERS' EQUITY		119,863		76,960
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	128,150	$	85,244

Condensed Income Statement [Table Text Block]

	Year Ended December 31,
(Dollar amounts in thousands)	2017			2016			2015
INCOME
Dividends from subsidiary bank	$	10,425		$	3,400		$	4,023
Gain on sale of investment securities		488			-			-
Other		80			24			19
Total income		10,993			3,424			4,042
EXPENSES
Interest expense		460			366			290
Other		2,091			1,856			860
Total expenses		2,551			2,222			1,150
Income before income tax benefit		8,442			1,202			2,892
Income tax benefit		(673	)		(561	)		(386	)
Income before equity in undistributed net income of subsidiaries		9,115			1,763			3,278
Equity in undistributed net income of subsidiaries		340			4,653			3,587
NET INCOME	$	9,455		$	6,416		$	6,865
Comprehensive Income	$	9,345		$	5,222		$	6,712

Condensed Cash Flow Statement [Table Text Block]

	Year Ended December 31 ,
(Dollar amounts in thousands )	201 7			201 6			201 5
OPERATING ACTIVITIE S
Net incom e	$	9,455		$	6,416		$	6,865
Adjustments to reconcile net income tonet cash provided by operating activities :
Equity in undistributed net income of Middlefield Banking Compan y		(337	)		(4,710	)		(3,703	)
Equity in undistributed netloss of EMOREC O		(3	)		57			116
Stock-based compensation expens e		33			29			18
Gain on sale of investment securitie s		(488	)		-			-
Other, ne t		282			(484	)		(503	)
Net cash provided by operating activitie s		8,942			1,308			2,793
INVESTING ACTIVITIES
Acquisition, net of cash paid		(22,249	)		-			-
FINANCING ACTIVITIE S
Net (decrease) increase in short-term borrowing s		-			(9,499	)		6,363
Purchase of treasury stoc k		-			-			(6,784	)
Proceeds from issuance of common stoc k		15,164			11,210			-
Stock options exercise d		184			(6	)		(7	)
Proceeds from dividend reinvestment pla n		540			519			651
Cash dividend s		(3,358	)		(2,318	)		(2,153	)
Net cash used for financing activitie s		12,530			(94	)		(1,930	)
Increase (decrease) in cash		(777	)		1,214			863
CASH AT BEGINNING OF YEA R		2,543			1,329			466
CASH AT END OF YEA R	$	1,766		$	2,543		$	1,329
SUPPLEMENTAL INFORMATION
Common stock issued in business acquisition	$	20,995		$	-		$	-

XML

Note 22 - Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Quarterly Financial Information [Table Text Block]

(Dollar amounts in thousands)	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2017		2017		2017		2017
Total interest and dividend income	$	10,199	$	10,902	$	11,330	$	11,564
Total interest expense		1,442		1,625		1,818		1,762
Net interest income		8,757		9,277		9,512		9,802
Provision for loan losses		165		170		280		430
Net interest income after provision for loan losses		8,592		9,107		9,232		9,372
Total noninterest income		1,511		989		1,441		918
Total noninterest expense		7,267		6,704		7,297		6,217
Income before income taxes		2,836		3,392		3,376		4,073
Income taxes		736		885		914		1,687
Net income	$	2,100	$	2,507	$	2,462	$	2,386
Per share data:
Net income
Basic	$	0.78	$	0.84	$	0.77	$	0.73
Diluted		0.78		0.83		0.76		0.73
Average shares outstanding:
Basic		2,679,816		3,000,451		3,212,335		3,215,300
Diluted		2,692,015		3,014,140		3,223,753		3,231,791

(Dollar amounts in thousands)	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2016		2016		2016		2016
Total interest and dividend income	$	7,348	$	7,405	$	7,420	$	7,821
Total interest expense		1,025		1,066		1,026		1,073
Net interest income		6,323		6,339		6,394		6,748
Provision for loan losses		105		105		105		255
Net interest income after provision for loan losses		6,218		6,234		6,289		6,493
Total noninterest income		909		1,173		977		900
Total noninterest expense		5,338		4,915		5,662		4,957
Income before income taxes		1,789		2,492		1,604		2,436
Income taxes		302		566		261		776
Net income	$	1,487	$	1,926	$	1,343	$	1,660
Per share data:
Net income
Basic	$	0.79	$	0.94	$	0.60	$	0.71
Diluted		0.79		0.94		0.60		0.70
Average shares outstanding:
Basic		1,878,177		2,051,137		2,247,587		2,251,412
Diluted		1,886,943		2,059,411		2,256,230		2,264,712

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Note 23 - Return on Equity and Assets (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Return on Equity and Assets [Table Text Block]

(Dollars in thousands)	2017			2016			2015
Average total assets	$	1,069,656		$	757,052		$	710,271
Average shareholders' equity	$	110,966		$	68,741		$	64,655
Net income	$	9,455		$	6,416		$	6,865
Net income available to common shareholders	$	9,455		$	6,416		$	6,865
Cash dividends declared per share	$	1.08		$	1.08		$	1.07
Return on average total assets		0.88	%		0.85	%		0.97	%
Return on average shareholders' equity		8.52	%		9.33	%		10.62	%
Dividend payout ratio (1)		35.52	%		36.18	%		31.36	%
Average shareholders' equity to average assets		10.37	%		9.08	%		9.10	%

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Note 1 - Summary of Significant Accounting Policies (Details Textual)		12 Months Ended
	Jan. 12, 2017 USD ($) $ / shares shares	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Number of Branches		14
Servicing Asset at Fair Value, Amount		$ 50,400,000	$ 39,900,000
Goodwill, Impairment Loss		$ 0	$ 0	$ 0
Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life		10 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life		3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life		20 years
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life		3 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life		40 years
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]
Business Combination, Merger Agreement, Cash Per Share of Reporting Entity Common Stock | $ / shares	$ 37.96
Business Combination, Merger Agreement, Ratio of Shares of Reporting Entity's Common Stock for Each Share of Acquired Entity's Common Stock | shares	1.1934
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	544,610
Business Combination, Consideration Transferred	$ 42,168,000
Goodwill, Impairment Loss		$ 0

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Note 2 - Earnings Per Share (Details Textual) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	19,750	29,324	31,949
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 17.55	$ 17.55	$ 17.55
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 23	$ 37.48	$ 40.24
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		0	4,699
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	23,635	11,357	9,154
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	14,601
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0
Employee Stock Option [Member]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements		29,324	27,250

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Note 2 - Earnings Per Share - Shares Used in Calculation of Earnings Per Share (Details) - shares	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Weighted-average common shares outstanding (in shares)									3,415,115	2,494,022	2,251,365
Average treasury stock shares (in shares)									(386,165)	(386,165)	(236,399)
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share (in shares)	3,215,300	3,212,335	3,000,451	2,679,816	2,251,412	2,247,587	2,051,137	1,878,177	3,028,950	2,107,857	2,014,966
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									23,635	11,357	9,154
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share (in shares)	3,231,791	3,223,753	3,014,140	2,692,015	2,264,712	2,256,230	2,059,411	1,886,943	3,052,585	2,119,214	2,024,120

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Note 3 - Investment Securities Available for Sale (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale Securities Pledged as Collateral	$ 57,900,000	$ 60,300,000
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	29
Available-for-sale Securities, Percentage of Portfolio	99.30%
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held	$ 0
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain	$ 488,000

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Note 3 - Investment Securities Available for Sale - Amortized Cost and Fair Values of Securities Available for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Amortized cost	$ 93,631	$ 112,557
Gross unrealized gains	2,048	2,702
Gross unrealized losses	(396)	(883)
Investment securities available for sale, at fair value	95,283	114,376
US Government Agencies Debt Securities [Member]
Amortized cost	8,664	10,158
Gross unrealized gains	126	174
Gross unrealized losses	(71)	(96)
Investment securities available for sale, at fair value	8,719	10,236
US States and Political Subdivisions Debt Securities [Member]
Investment securities available for sale, at fair value	67,429	81,223
US States and Political Subdivisions Debt Securities [Member] | Taxable [Member]
Amortized cost	504	1,615
Gross unrealized gains	8	129
Gross unrealized losses		(4)
Investment securities available for sale, at fair value	512	1,740
US States and Political Subdivisions Debt Securities [Member] | Tax Exempt [Member]
Amortized cost	65,408	78,327
Gross unrealized gains	1,547	1,678
Gross unrealized losses	(38)	(522)
Investment securities available for sale, at fair value	66,917	79,483
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Amortized cost	18,640	20,128
Gross unrealized gains	157	202
Gross unrealized losses	(287)	(261)
Investment securities available for sale, at fair value	18,510	20,069
Debt Securities [Member]
Amortized cost	93,216	111,807
Gross unrealized gains	1,838	2,313
Gross unrealized losses	(396)	(883)
Investment securities available for sale, at fair value	94,658	113,237
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Amortized cost		1,579
Gross unrealized gains		130
Gross unrealized losses
Investment securities available for sale, at fair value		1,709
Equity Securities In Financial Institutions [Member]
Amortized cost	415	750
Gross unrealized gains	210	389
Gross unrealized losses
Investment securities available for sale, at fair value	$ 625	$ 1,139

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Note 3 - Investment Securities Available for Sale - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Due in one year or less, amortized costs	$ 2,340
Due in one year or less, fair value	2,377
Due after one year through five years, amortized costs	9,718
Due after one year through five years, fair value	9,878
Due after five years through ten years, amortized costs	10,992
Due after five years through ten years, fair value	11,012
Due after ten years, amortized costs	70,166
Due after ten years, fair value	71,391
Amortized costs	93,216
Fair Value	$ 94,658

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Note 3 - Investment Securities Available for Sale - Sales of Available for Sale Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017		Dec. 31, 2016	Dec. 31, 2015
Proceeds from sales	$ 6,474		$ 9,063	$ 15,686
Gross realized gains	911	[1]	309	440
Gross realized losses	$ (25)		$ (6)	$ (117)

[1] Prior to the acquisition of Liberty, the Company had a previously held equity interest in Liberty which was re-measured at fair value on the acquisition date and resulted in a gain of $488,000, which was recorded in Investment Securities Gains on the consolidated Income Statement for the year ended December 31, 2017.

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Note 3 - Investment Securities Available for Sale - Gross Unrealized Losses and Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Less than Twelve Months, Fair Value	$ 7,264	$ 36,925
Less than Twelve Months, Gross Unrealized Losses	(81)	(699)
Twelve Months or Greater, Fair Value	15,554	5,754
Twelve Months or Greater, Gross Unrealized Losses	(315)	(184)
Total, Fair Value	22,818	42,679
Total, Gross Unrealized Losses	(396)	(883)
US Government Agencies Debt Securities [Member]
Less than Twelve Months, Fair Value	557	3,803
Less than Twelve Months, Gross Unrealized Losses	(4)	(47)
Twelve Months or Greater, Fair Value	4,036	1,316
Twelve Months or Greater, Gross Unrealized Losses	(67)	(49)
Total, Fair Value	4,593	5,119
Total, Gross Unrealized Losses	(71)	(96)
US States and Political Subdivisions Debt Securities [Member] | Tax Exempt [Member]
Less than Twelve Months, Fair Value	1,009	23,554
Less than Twelve Months, Gross Unrealized Losses	(6)	(522)
Twelve Months or Greater, Fair Value	2,784	0
Twelve Months or Greater, Gross Unrealized Losses	(32)
Total, Fair Value	3,793	23,554
Total, Gross Unrealized Losses	(38)	(522)
US States and Political Subdivisions Debt Securities [Member] | Taxable [Member]
Less than Twelve Months, Fair Value		502
Less than Twelve Months, Gross Unrealized Losses		(4)
Twelve Months or Greater, Fair Value
Twelve Months or Greater, Gross Unrealized Losses
Total, Fair Value		502
Total, Gross Unrealized Losses		(4)
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Less than Twelve Months, Fair Value	5,698	9,066
Less than Twelve Months, Gross Unrealized Losses	(71)	(126)
Twelve Months or Greater, Fair Value	8,734	4,438
Twelve Months or Greater, Gross Unrealized Losses	(216)	(135)
Total, Fair Value	14,432	13,504
Total, Gross Unrealized Losses	$ (287)	$ (261)

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Note 4 - Loans and Related Allowance for Loan and Lease Losses (Details Textual)	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Loans and Leases Receivable, Deferred Income	$ 1,500,000	$ 1,700,000
Financing Receivable, Modifications, Recorded Investment	5,400,000	6,700,000
Financing Receivable, Allowance for Credit Losses, Write-downs	$ 509,000	436,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Number of Days Past Due	90 years
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	$ 437,000	309,000	$ 259,000
Provision for Loan, Lease, and Other Losses	1,045,000	$ 570,000	$ 315,000
Threshold For Loans Evaluated For Impairment [Member]
Loans and Leases Receivable, before Fees, Gross	1,000,000
Threshold For Loans Evaluated For Impairment [Member] | Outside Consultant [Member]
Loans and Leases Receivable, before Fees, Gross	250,000
Threshold For Loans Evaluated For Impairment [Member] | Criticized Relationships [Member]
Financing Receivable, Gross	125,000
Residential Loan [Member] | Real Estate Mortgage Portfolio Segment [Member]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		4
Provision for Loan, Lease, and Other Losses	$ (1,182,000)	$ (48,000)

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Major Classifications of Net Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable Gross	$ 923,213	$ 609,140
Less: Allowance for loan and lease losses	(7,190)	(6,598)	$ (6,385)
Net loans	916,023	602,542
Commercial And Industrial [Member]
Financing Receivable Gross	101,346	60,630
Less: Allowance for loan and lease losses	(999)	(448)	(867)
Real Estate Construction Porfolio Segment [Member]
Financing Receivable Gross	47,017	23,709
Less: Allowance for loan and lease losses	(313)	(172)	(276)
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Financing Receivable Gross	318,157	270,830
Less: Allowance for loan and lease losses	(1,760)	(2,818)	(3,139)
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Financing Receivable Gross	437,947	249,490
Less: Allowance for loan and lease losses	(4,036)	(3,135)	(2,078)
Consumer Portfolio Segment [Member]
Financing Receivable Gross	18,746	4,481
Less: Allowance for loan and lease losses	$ (82)	$ (25)	$ (25)

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Primary Segments of the Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Individually evaluated for impairment	$ 12,109	$ 12,430
Collectively evaluated for impairment	911,104	596,710
Total loans	923,213	609,140
Commercial And Industrial [Member]
Individually evaluated for impairment	3,627	1,190
Collectively evaluated for impairment	97,719	59,440
Total loans	101,346	60,630
Real Estate Construction Porfolio Segment [Member]
Individually evaluated for impairment	44	913
Collectively evaluated for impairment	46,973	22,796
Total loans	47,017	23,709
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Individually evaluated for impairment	2,824	3,135
Collectively evaluated for impairment	315,333	267,695
Total loans	318,157	270,830
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Individually evaluated for impairment	5,610	7,187
Collectively evaluated for impairment	432,337	242,303
Total loans	437,947	249,490
Consumer Portfolio Segment [Member]
Individually evaluated for impairment	4	5
Collectively evaluated for impairment	18,742	4,476
Total loans	$ 18,746	$ 4,481

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Note 4 - Loans and Related Allowance of Loan and Lease Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Individually evaluated for impairment				$ 1,567	$ 527
Collectively evaluated for impairment				5,623	6,071
Total ending allowance balance	$ 7,190	$ 6,598	$ 6,385	7,190	6,598
ALLL balance, period start	6,598	6,385
Charge-offs	(1,154)	(743)
Recoveries	701	386
Provision for Loan, Lease, and Other Losses	1,045	570	315
ALLL balance, period end	7,190	6,598	6,385
Commercial And Industrial [Member]
Individually evaluated for impairment				694	90
Collectively evaluated for impairment				305	358
Total ending allowance balance	999	448	867	999	448
ALLL balance, period start	448	867
Charge-offs	(536)	(237)
Recoveries	234	90
Provision for Loan, Lease, and Other Losses	853	(272)
ALLL balance, period end	999	448	867
Real Estate Construction Porfolio Segment [Member]
Individually evaluated for impairment
Collectively evaluated for impairment				313	172
Total ending allowance balance	313	172	276	313	172
ALLL balance, period start	172	276
Charge-offs
Recoveries	34
Provision for Loan, Lease, and Other Losses	107	(104)
ALLL balance, period end	313	172	276
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Individually evaluated for impairment				140	251
Collectively evaluated for impairment				1,620	2,567
Total ending allowance balance	1,760	2,818	3,139	1,760	2,818
ALLL balance, period start	2,818	3,139
Charge-offs	(117)	(414)
Recoveries	241	141
Provision for Loan, Lease, and Other Losses	(1,182)	(48)
ALLL balance, period end	1,760	2,818	3,139
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Individually evaluated for impairment				733	186
Collectively evaluated for impairment				3,303	2,949
Total ending allowance balance	4,036	3,135	2,078	4,036	3,135
ALLL balance, period start	3,135	2,078
Charge-offs	(39)	(70)
Recoveries	111	140
Provision for Loan, Lease, and Other Losses	829	987
ALLL balance, period end	4,036	3,135	2,078
Consumer Portfolio Segment [Member]
Individually evaluated for impairment
Collectively evaluated for impairment				82	25
Total ending allowance balance	82	25	25	$ 82	$ 25
ALLL balance, period start	25	25
Charge-offs	(462)	(22)
Recoveries	81	15
Provision for Loan, Lease, and Other Losses	438	7
ALLL balance, period end	$ 82	$ 25	$ 25

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Impaired Loans by Class (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Recorded investment, with no related allowance	$ 4,053	$ 5,405
Unpaid principal balance, with no related allowance	4,942	5,394
Recorded investment, with related allowance	8,056	7,025
Unpaid principal balance, with related allowance	8,980	7,011
Related allowance	1,567	527
Recorded investment	12,109	12,430
Unpaid principal balance	13,922	12,405
Commercial Loans [Member]
Recorded investment, with related allowance	3,740
Unpaid principal balance, with related allowance	3,913
Related allowance	733
Commercial And Industrial [Member]
Recorded investment, with no related allowance	450	319
Unpaid principal balance, with no related allowance	1,006	318
Recorded investment, with related allowance	3,177	871
Unpaid principal balance, with related allowance	3,888	868
Related allowance	694	90
Recorded investment	3,627	1,190
Unpaid principal balance	4,894	1,186
Real Estate Construction Porfolio Segment [Member]
Recorded investment, with no related allowance	44	913
Unpaid principal balance, with no related allowance	44	909
Recorded investment, with related allowance	44	913
Unpaid principal balance, with related allowance	44	909
Related allowance
Real Estate Construction Porfolio Segment [Member] | Residential Loan [Member]
Recorded investment, with related allowance	1,139
Unpaid principal balance, with related allowance	1,179
Related allowance	140
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Recorded investment, with no related allowance	1,685	2,142
Unpaid principal balance, with no related allowance	1,904	2,140
Recorded investment, with related allowance		993
Unpaid principal balance, with related allowance		991
Related allowance	140	251
Recorded investment	2,824	3,135
Unpaid principal balance	3,083	3,131
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Recorded investment, with no related allowance	1,870	2,031
Unpaid principal balance, with no related allowance	1,984	2,027
Recorded investment, with related allowance		5,156
Unpaid principal balance, with related allowance		5,147
Related allowance	733	186
Recorded investment	5,610	7,187
Unpaid principal balance	5,897	7,174
Consumer Portfolio Segment [Member]
Recorded investment, with no related allowance		5
Unpaid principal balance, with no related allowance		5
Recorded investment, with related allowance	4	5
Unpaid principal balance, with related allowance	4	$ 5
Related allowance
Recorded investment	4
Unpaid principal balance	$ 4

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Additional Information on Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Average recorded investment	$ 12,836	$ 13,411	$ 13,440
Interest income recognized	715	509	725
Commercial And Industrial [Member]
Average recorded investment	2,378	1,211	1,468
Interest income recognized	178	32	100
Real Estate Construction Porfolio Segment [Member]
Average recorded investment	565	1,281	2,407
Interest income recognized	1	10	115
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Average recorded investment	3,068	3,529	4,356
Interest income recognized	89	98	160
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Average recorded investment	6,820	7,384	5,203
Interest income recognized	446	368	350
Consumer Portfolio Segment [Member]
Average recorded investment	5	6	6
Interest income recognized	$ 1	$ 1

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Troubled Debt Restructurings (Details)		12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Commercial And Industrial [Member]
Number of contracts	6	4	5
Pre-modification outstanding recorded investment	$ 434,000	$ 127,000	$ 610,000
Post-modification outstanding recorded investment	$ 434,000	$ 127,000	$ 610,000
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Number of contracts	6	5	4
Pre-modification outstanding recorded investment	$ 515,000	$ 256,000	$ 166,000
Post-modification outstanding recorded investment	$ 535,000	$ 256,000	166,000
Real Estate Construction Porfolio Segment [Member]
Number of contracts	1
Pre-modification outstanding recorded investment	$ 181,000
Post-modification outstanding recorded investment	$ 181,000		$ 1
Commercial Real Estate Portfolio Segment [Member]
Number of contracts	1		1
Pre-modification outstanding recorded investment	$ 270,000		$ 311,000
Post-modification outstanding recorded investment	$ 270,000		$ 311,000
Extended Maturity [Member] | Commercial And Industrial [Member]
Number of contracts	6	4	5
Extended Maturity [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Number of contracts	5	5	4
Extended Maturity [Member] | Real Estate Construction Porfolio Segment [Member]
Number of contracts	1
Extended Maturity [Member] | Commercial Real Estate Portfolio Segment [Member]
Number of contracts	1		1
Other Restructurings [Member] | Commercial And Industrial [Member]
Number of contracts
Other Restructurings [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Number of contracts	1
Other Restructurings [Member] | Real Estate Construction Porfolio Segment [Member]
Number of contracts
Other Restructurings [Member] | Commercial Real Estate Portfolio Segment [Member]
Number of contracts

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Troubled Debt Restructurings Subsequently Defaulted (Details)		12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		0
Commercial And Industrial [Member]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			2	2
Recorded investment, subsequently defaulted			$ 7,000	$ 14,000
Number of contracts, subsequently defaulted	$ 434,000	$ 127,000	610,000
Real Estate Construction Porfolio Segment [Member]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts				1
Recorded investment, subsequently defaulted				$ 130,000
Number of contracts, subsequently defaulted	181,000		$ 1
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			4
Recorded investment, subsequently defaulted			$ 278,000
Number of contracts, subsequently defaulted	535,000	$ 256,000	$ 166,000
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			1
Recorded investment, subsequently defaulted			$ 119,000
Number of contracts, subsequently defaulted	$ 270,000		$ 311,000

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Classes of the Loan Portfolio Summarized by Credit Quality (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Loans, total	$ 923,213	$ 609,140
Commercial And Industrial [Member]
Loans, total	101,346	60,630
Real Estate Construction Porfolio Segment [Member]
Loans, total	47,017	23,709
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	318,157	270,830
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	437,947	249,490
Consumer Portfolio Segment [Member]
Loans, total	18,746	4,481
Pass [Member]
Loans, total	897,759	591,706
Pass [Member] | Commercial And Industrial [Member]
Loans, total	95,621	58,539
Pass [Member] | Real Estate Construction Porfolio Segment [Member]
Loans, total	46,995	23,541
Pass [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	312,176	264,481
Pass [Member] | Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	424,225	240,678
Pass [Member] | Consumer Portfolio Segment [Member]
Loans, total	18,742	4,467
Special Mention [Member]
Loans, total	11,829	5,657
Special Mention [Member] | Commercial And Industrial [Member]
Loans, total	1,942	663
Special Mention [Member] | Real Estate Construction Porfolio Segment [Member]
Loans, total		144
Special Mention [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	723	428
Special Mention [Member] | Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	9,164	4,422
Substandard [Member]
Loans, total	13,625	11,777
Substandard [Member] | Commercial And Industrial [Member]
Loans, total	3,783	1,428
Substandard [Member] | Real Estate Construction Porfolio Segment [Member]
Loans, total	22	24
Substandard [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	5,258	5,921
Substandard [Member] | Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	4,558	4,390
Substandard [Member] | Consumer Portfolio Segment [Member]
Loans, total	4	$ 14
Doubtful [Member]
Loans, total
Doubtful [Member] | Commercial And Industrial [Member]
Loans, total
Doubtful [Member] | Real Estate Construction Porfolio Segment [Member]
Loans, total
Doubtful [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total
Doubtful [Member] | Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Loans, current balance	$ 915,131	$ 605,703
Loans, past due	8,082	3,437
Loans, total	923,213	609,140
Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, past due	5,501	2,018
Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, past due	257	219
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, past due	2,324	1,200
Commercial And Industrial [Member]
Loans, current balance	99,633	60,407
Loans, past due	1,713	223
Loans, total	101,346	60,630
Commercial And Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, past due	1,607	17
Commercial And Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, past due	29	2
Commercial And Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, past due	77	204
Real Estate Construction Porfolio Segment [Member]
Loans, current balance	47,017	23,709
Loans, past due	0	0
Loans, total	47,017	23,709
Real Estate Construction Porfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, past due	0	0
Real Estate Construction Porfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, past due	0	0
Real Estate Construction Porfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, past due	0	0
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, current balance	314,866	268,041
Loans, past due	3,291	2,789
Loans, total	318,157	270,830
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, current balance	434,879	249,081
Loans, past due	3,068	409
Loans, total	437,947	249,490
Real Estate Mortgage Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Residential Loan [Member]
Loans, past due	1,977	1,909
Real Estate Mortgage Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Loans [Member]
Loans, past due	1,907	92
Real Estate Mortgage Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Residential Loan [Member]
Loans, past due	227	207
Real Estate Mortgage Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Loans [Member]
Loans, past due	1
Real Estate Mortgage Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential Loan [Member]
Loans, past due	1,087	673
Real Estate Mortgage Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Loans [Member]
Loans, past due	1,160	317
Consumer Portfolio Segment [Member]
Loans, current balance	18,736	4,465
Loans, past due	10	16
Loans, total	18,746	4,481
Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Loans, past due	10
Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Loans, past due		10
Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans, past due		$ 6

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Note 4 - Loans and Related Allowance for Loan and Lease Losses - Classes of the Loan Portfolio Summarized by Nonaccrual Loans and Still Accruing (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Loans, nonacrrual status	$ 8,433	$ 5,903
Loans, 90+ days past due and accruing	0	0
Commercial And Industrial [Member]
Loans, nonacrrual status	1,120	454
Loans, 90+ days past due and accruing	0	0
Real Estate Construction Porfolio Segment [Member]
Loans, nonacrrual status
Loans, 90+ days past due and accruing	0	0
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, nonacrrual status	4,002	4,034
Loans, 90+ days past due and accruing	0	0
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, nonacrrual status	3,311	1,409
Loans, 90+ days past due and accruing	0	0
Consumer Portfolio Segment [Member]
Loans, nonacrrual status		6
Loans, 90+ days past due and accruing	$ 0	$ 0

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Note 5 - Other Real Estate Owned ("OREO") (Details Textual) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Real Estate Acquired Through Foreclosure	$ 212,000	$ 934,000
Mortgage Loans in Process of Foreclosure, Amount	$ 1,500,000

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Note 6 - Premises and Equipment (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Depreciation	$ 876,000,000,000	$ 735,000	$ 715,000

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Note 6 - Premises and Equipment - Major Classifications of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Land and land improvements	$ 2,920	$ 2,891
Building and leasehold improvements	14,277	12,081
Furniture, fixtures, and equipment	7,010	5,404
Total premises and equipment	24,207	20,376
Less accumulated depreciation and amortization	12,354	9,173
Total premises and equipment, net	$ 11,853	$ 11,203

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Note 7 - Goodwill and Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill	$ 15,071,000	$ 4,559,000
Finite-Lived Core Deposits, Gross	2,700,000	36,000
Amortization of Intangible Assets	374,000	40,000	$ 40,000
Core Deposits [Member]
Finite-Lived Intangible Assets, Accumulated Amortization	$ 692,000	318,000
Finite-Lived Intangible Asset, Useful Life	10 years
Amortization of Intangible Assets		$ 40,000

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Note 7 - Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Total	$ 2,749	$ 36
Core Deposits [Member]
2018	352
2019	341
2020	332
2021	321
2022	309
Thereafter	1,094
Total	$ 2,749

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Note 8 - Other Assets - Components of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Restricted stock	$ 3,589	$ 2,204
Deferred tax asset, net	647	1,607
Other	1,620	1,265
Total	9,144	7,502
Investment Securities [Member]
Accrued interest	707	812
Loans [Member]
Accrued interest	$ 2,581	$ 1,614

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Note 9 - Deposits (Details Textual) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Time Deposit Maturities, Next Twelve Months	$ 99.3
Time Deposit Maturities, Year Two	21.5
Time Deposit Maturities, Year Three	51.8
Time Deposit Maturities, Year Four	41.0
Time Deposit Maturities, Year Five	29.4
Time Deposits, at or Above FDIC Insurance Limit	$ 39.4	$ 27.8

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Note 10 - Short-term Borrowings (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Line of Credit Facility, Maximum Borrowing Capacity	$ 6,000,000	$ 10,000,000	$ 4,000,000
Line of Credit Facility, Interest Rate During Period	4.75%	4.69%	4.74%
Long-term Line of Credit	$ 0	$ 0	$ 9,500,000

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Note 10 - Short-term Borrowings - Outstanding Balances and Related Information of Short-term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Balance at year-end	$ 74,707	$ 68,359
Average balance outstanding	63,910	37,130
Maximum month-end balance	$ 114,025	$ 68,359
Weighted-average rate at year-end	1.36%	0.61%
Weighted-average rate during the year	1.18%	0.89%

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Note 10 - Short-term Borrowings - Repurchase Agreements (Details) - Overnight and Continuous [Member] - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Repurchase agreements	$ 1,989	$ 2,129
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Repurchase agreements	2,040	2,667
US States and Political Subdivisions Debt Securities [Member]
Repurchase agreements	495	968
US Government Agencies Debt Securities [Member]
Repurchase agreements	$ 2,535	$ 3,635

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Note 11 - Other Borrowings (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2006	Dec. 31, 2017	Dec. 31, 2016
Annual Paydown of Principal Required		20.00%
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds		$ 192,200,000
Stock Issued During Period, Value, New Issues	$ 248,000	15,164,000	$ 11,210,000
Notes Payable	$ 8,300,000
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.67%
Mandatorily Redeemable Securities [Member] | Special Purpose Entity [Member]
Securities Sold under Agreements to Repurchase		$ 8,000,000

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Note 11 - Other Borrowings - Other Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Weighted-average rate during the year	1.18%	0.89%
Other borrowings	$ 29,065	$ 9,437
Fixed Rate Amortizing [Member]
Maturity range, minimum	Feb. 01, 2018
Maturity range, maximum	Oct. 01, 2028
Weighted-average rate during the year	1.24%
Other borrowings	$ 20,817	1,189
Fixed Rate Amortizing [Member] | Minimum [Member]
Stated interest rate	1.01%
Fixed Rate Amortizing [Member] | Maximum [Member]
Stated interest rate	4.47%
Junior Subordinated Debt [Member]
Maturity range, minimum	Dec. 21, 2037
Maturity range, maximum	Dec. 21, 2037
Weighted-average rate during the year	2.85%
Other borrowings	$ 8,248	$ 8,248
Junior Subordinated Debt [Member] | Minimum [Member]
Stated interest rate	2.56%
Junior Subordinated Debt [Member] | Maximum [Member]
Stated interest rate	3.05%

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Note 11 - Other Borrowings - Maturities of Other Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
2018, amount	$ 20,252
2018, weighted-average interest rate	1.16%
2019, amount	$ 155
2019, weighted-average interest rate	4.04%
2020, amount	$ 116
2020, weighted-average interest rate	4.04%
2021, amount	$ 87
2021, weighted-average interest rate	4.04%
2022	$ 65
2022	4.04%
Beyond 2021, amount	$ 8,390
Beyond 2021, weighted-average interest rate	2.79%
Total, amount	$ 29,065	$ 9,437
Total, weighted-average interest rate	2.86%

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Note 12 - Other Liabilities - Components of Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Accrued interest payable	$ 578	$ 395
Supplemental Executive Retirement Plan	1,427	1,125
Accrued salary expense	956	768
Other	1,546	843
Total	$ 4,507	$ 3,131

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Note 13 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Deferred Tax Assets, Valuation Allowance	$ 0	$ 0
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	401,000
Unrecognized Tax Benefits	$ 0	$ 0

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Note 13 - Income Taxes - The Provision (Benefit) for Federal Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current payable									$ 3,929	$ 1,998	$ 1,004
Deferred income taxes									293	(93)	558
Total provision	$ 1,687	$ 914	$ 885	$ 736	$ 776	$ 261	$ 566	$ 302	$ 4,222	$ 1,905	$ 1,562

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Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Allowance for loan and lease losses	$ 1,210	$ 2,243
Supplemental retirement plan	528	382
Investment security basis adjustment	18	66
Nonaccrual interest income	371	456
OREO adjustments	2	26
Accrued compensation	201	261
Other	86	82
Gross deferred tax assets	2,416	3,516
Deferred tax liabilities:
Premises and equipment	356	445
Net unrealized gain on securities	347	618
FHLB stock dividends	139	225
Intangibles	307	449
Mortgage servicing rights	71	103
Deferred origination fees, net	294	63
Acquisition fair value adjustments	250	1
Other	5	5
Gross deferred tax liabilities	1,769	1,909
Net deferred tax assets	$ 647	$ 1,607

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Note 13 - Income Taxes - Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Provision at statutory rate, amount									$ 4,651	$ 2,829	$ 2,866
Provision at statutory rate, percent									34.00%	34.00%	34.00%
Tax-exempt income, amount									$ (1,045)	$ (1,177)	$ (1,347)
Tax-exempt income, percent									(7.60%)	(14.10%)	(15.90%)
Nondeductible interest expense, amount									$ 32	$ 32	$ 34
Nondeductible interest expense, percent									0.20%	0.40%	0.40%
Nondeductible merger-related expense, amount									$ 43	$ 186
Nondeductible merger-related expense, percent									0.30%	2.20%
Stock-based compensation, amount									$ (50)
Stock-based compensation, percent									(0.40%)
Change in effective corporate tax rate, amount									$ 401
Change in effective corporate tax rate, percent									2.90%
Other, amount									$ 190	$ 35	$ 9
Other, percent									1.50%	0.40%
Total provision	$ 1,687	$ 914	$ 885	$ 736	$ 776	$ 261	$ 566	$ 302	$ 4,222	$ 1,905	$ 1,562
Actual tax expense and effective rate, percent									30.90%	22.90%	18.50%

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Note 14 - Employee Benefits (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 538,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	8,237	500
Payments For Stock Options Exercised	$ (184,000)	$ 6,000	$ 7,000
Restricted Stock [Member]
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	0	0	0
Employee Stock Option [Member]
Payments For Stock Options Exercised	$ 95,000	$ 6,000
Restricted Stock Units (RSUs) [Member]
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	5,825	5,090	3,905
Allocated Share-based Compensation Expense	$ 196,000	$ 123,000	$ 55,000
Retirement Plan [Member]
Defined Contribution Plan Employer Voluntary Matching Bank Contribution	50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	6.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	6 years
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 258,000	156,000	156,000
Retirement Plan [Member] | Middlefield Banking Company [Member]
Defined Contribution Plan Annual Vesting Percentage	20.00%
Retirement Plan [Member] | Liberty Bank, N.A. [Member]
Deferred Compensation Arrangement with Individual, Requisite Service Period	3 years
Directors Retirement Plan [Member] | Middlefield Banking Company [Member]
Deferred Compensation Arrangement with Individual, Requisite Service Period	5 years
Retirement Benefits Term	10 years
Postretirement Benefits Percentage of Compensation	25.00%
Executive Deferred Compensation Plan [Member] | Middlefield Banking Company [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 110,000	$ 99,000	$ 65,000
Stock Option and Restricted Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	160,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	10 years
Shares, Outstanding	92,759
The 2017 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	224,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	218,175
Omnibus Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0	0

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Note 14 - Employee Benefits - Projected Benefit Payments (Details) $ in Millions	Dec. 31, 2017 USD ($)
2018	$ 18
2019	12
2020	10
2021	2
Total	$ 42

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Note 14 - Employee Benefits - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Outstanding, January 1 (in shares)	29,324	31,949
Outstanding, January 1 (in dollars per share)	$ 23.67
Expired (in shares)	(1,337)
Expired (in dollars per share)	$ 37.48
Exercised (in shares)	(8,237)	(500)
Exercised (in dollars per share)	$ 27.97
Outstanding, December 31 (in shares)	19,750	29,324
Outstanding, December 31 (in dollars per share)	$ 20.94	$ 23.67
Exercisable, December 31 (in shares)	19,750
Exercisable, December 31 (in dollars per share)	$ 20.94

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Note 14 - Employee Benefits - Stock Options Outstanding by Grant Date (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Outstanding, shares (in shares)	19,750	29,324	31,949
Outstanding, weighted average exercise price (in dollars per share)	$ 20.94	$ 23.67
Exercisable, December 31 (in shares)	19,750
Exercisable, December 31 (in dollars per share)	$ 20.94
Exercise Price Range 1 [Member]
Exercise price (in dollars per share)	$ 23
Outstanding, shares (in shares)	12,300
Outstanding, contractual average life (Year)	310 days
Outstanding, weighted average exercise price (in dollars per share)	$ 23
Exercisable, December 31 (in shares)	12,300
Exercisable, December 31 (in dollars per share)	$ 23
Exercise Price Range 2 [Member]
Exercise price (in dollars per share)	$ 17.55
Outstanding, shares (in shares)	7,450
Outstanding, contractual average life (Year)	3 years 127 days
Outstanding, weighted average exercise price (in dollars per share)	$ 17.55
Exercisable, December 31 (in shares)	7,450
Exercisable, December 31 (in dollars per share)	$ 17.55
Exercise Price Range 3 [Member]
Exercise price (in dollars per share)
Outstanding, shares (in shares)	19,750
Outstanding, contractual average life (Year)
Outstanding, weighted average exercise price (in dollars per share)
Exercisable, December 31 (in shares)	19,750
Exercisable, December 31 (in dollars per share)

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Note 14 - Employee Benefits - Activity Related to Restricted Stock Units Awarded (Details) - Restricted Stock Units (RSUs) [Member]	12 Months Ended
	Dec. 31, 2017 $ / shares shares
Nonvested (in shares) | shares	8,995
Nonvested (in dollars per share) | $ / shares	$ 32.93
Granted, units (in shares) | shares	5,825
Granted, weighted average grant date fair value per share (in dollars per share) | $ / shares	$ 38.70
Forfeited, units (in shares) | shares	(219)
Forfeited, weighted average grant date fair value per share (in dollars per share) | $ / shares	$ 38.70
Nonvested (in shares) | shares	14,601
Nonvested (in dollars per share) | $ / shares	$ 35.14
Expected to vest (in shares) | shares	14,601
Expected to vest, weighted average grant date fair value per share (in dollars per share) | $ / shares	$ 35.14

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Note 15 - Commitments (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Leases, Rent Expense	$ 641,000	$ 285,000	$ 288,000

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Note 15 - Commitments - Outstanding Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Commitments	$ 235,038	$ 163,062
Commitments to Extend Credit [Member]
Commitments	234,023	161,646
Financial Standby Letter of Credit [Member]
Commitments	$ 1,015	$ 1,416

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Note 15 - Commitments - Future Payments Under Operating Leases (Details) $ in Thousands	Dec. 31, 2017 USD ($)
2018	$ 655
2019	639
2020	641
2021	598
2022	365
Thereafter	920
Total	$ 3,818

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Note 16 - Regulatory Restrictions (Details Textual) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Reserves Required by Federal Reserve Bank	$ 15.8	$ 2.9
Percent of Common Stock	10.00%
Amount Available for Payment of Dividends	$ 5.1

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Note 17 - Regulatory Capital (Details Textual)	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2019
Capital Conservation Buffer Phase in Amount	0.625%
Capital Conservation Buffer Phase-in Number of Years	4 years
Scenario, Forecast [Member]
Capital Conservation Buffer Maximum Percentage		2.50%

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Note 17 - Regulatory Capital - Capital Ratios (Details)	Dec. 31, 2017	Dec. 31, 2016
Leverage capital, adequately capitalized, ratio	4.00%	4.00%
Tier 1 risk based capital, adequately capitalized, ratio	6.00%	6.00%
Common equity tier 1 capital, adequately capitalized, ratio	4.50%	4.50%
Total risk based capital, adequately capitalized, ratio	8.00%	8.00%
Leverage capital, adequately capitalized plus capital conservation buffer, ratio	4.00%	4.00%
Tier 1 risk based capital, adequately capitalized plus capital conservation buffer, ratio	8.50%	8.50%
Common equity tier 1 capital, adequately capitalized plus capital conservation buffer, ratio	7.00%	7.00%
Total risk based capital, adequately capitalized plus capital conservation buffer, ratio	10.50%	10.50%
Middlefield Banking Company [Member]
Leverage capital, actual, ratio	9.47%	9.29%
Tier 1 risk based capital, actual, ratio	10.88%	13.03%
Common equity tier 1 capital, actual, ratio	10.88%	13.03%
Total risk based capital, actual, ratio	11.64%	14.25%
Leverage capital, well-capitalized, ratio (bank only)	5.00%	5.00%
Tier 1 risk based capital, well-capitalized, ratio (bank only)	8.00%	8.00%
Common equity tier 1 capital, well-capitalized, ratio (bank only)	6.50%	6.50%
Total risk based capital, well-capitalized, ratio (bank only)	10.00%	10.00%
Middlefield Banc Corp [Member]
Leverage capital, actual, ratio	10.20%	9.27%
Tier 1 risk based capital, actual, ratio	11.64%	13.07%
Common equity tier 1 capital, actual, ratio	10.79%	13.07%
Total risk based capital, actual, ratio	12.41%	15.75%

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Note 18 - Fair Value Disclosure Measurements - Assets Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Investment securities available for sale	$ 95,283	$ 114,376
US Government Agencies Debt Securities [Member]
Investment securities available for sale	8,719	10,236
US States and Political Subdivisions Debt Securities [Member]
Investment securities available for sale	67,429	81,223
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Investment securities available for sale	18,510	20,069
Debt Securities [Member]
Investment securities available for sale	94,658	113,237
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Investment securities available for sale		1,709
Equity Securities In Financial Institutions [Member]
Investment securities available for sale	625	1,139
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Investment securities available for sale
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member]
Investment securities available for sale
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Investment securities available for sale
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Investment securities available for sale
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member]
Investment securities available for sale
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Investment securities available for sale
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities In Financial Institutions [Member]
Investment securities available for sale
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Investment securities available for sale	95,283	114,376
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member]
Investment securities available for sale	8,719	10,236
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Investment securities available for sale	67,429	81,223
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Investment securities available for sale	18,510	20,069
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member]
Investment securities available for sale	94,658	113,237
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Investment securities available for sale		1,709
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities In Financial Institutions [Member]
Investment securities available for sale	625	1,139
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Investment securities available for sale
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member]
Investment securities available for sale
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Investment securities available for sale
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Investment securities available for sale
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member]
Investment securities available for sale
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Investment securities available for sale
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities In Financial Institutions [Member]
Investment securities available for sale

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Note 18 - Fair Value Disclosure Measurements - Assets Measured on a Nonrecurring Basis (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Impaired loans	$ 12,109,000	$ 12,430,000
Other real estate owned	212,000	934,000
Estimate of Fair Value Measurement [Member]
Impaired loans	3,072,000	6,498,000
Other real estate owned	32,000	511,000
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Impaired loans
Other real estate owned
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Impaired loans
Other real estate owned
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Impaired loans	3,072,000	6,498,000
Other real estate owned	$ 32,000	$ 511,000

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Note 18 - Fair Value Disclosure Measurements - Additional Quantitative Information About Assets Measured at Fair Value on Non-recurring Basis (Details) - Fair Value, Measurements, Nonrecurring [Member] - Fair Value, Inputs, Level 3 [Member] - Appraisal Adjustments [Member] - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
Fair value estimate			$ 1,570
Valuation Techniques / Unobservable Input			Appraisal of collateral (1)
Minimum [Member]
Discount rate			0.00%
Maximum [Member]
Discount rate			59.70%
Weighted Average [Member]
Discount rate			28.20%
Impaired Loans [Member]
Fair value estimate		$ 3,072	$ 4,928
Valuation Techniques / Unobservable Input	[1],[2]	Appraisal of collateral / Appraisal adjustments	Discounted cash flow
Impaired Loans [Member] | Minimum [Member]
Discount rate		0.00%	3.10%
Impaired Loans [Member] | Maximum [Member]
Discount rate		86.10%	7.00%
Impaired Loans [Member] | Weighted Average [Member]
Discount rate			5.10%
Other Real Estate Owned [Member]
Fair value estimate		$ 32	$ 511
Valuation Techniques / Unobservable Input	[1],[2]	Appraisal of collateral / Appraisal adjustments	Appraisal of collateral / Appraisal adjustments
Other Real Estate Owned [Member] | Minimum [Member]
Discount rate		0.00%	0.00%
Other Real Estate Owned [Member] | Maximum [Member]
Discount rate			10.00%
Other Real Estate Owned [Member] | Weighted Average [Member]
Discount rate		10.00%

[1] Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range and weighted average of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.

[2] Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various level III inputs which are not identifiable, less any associated allowance.

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Note 18 - Fair Value Disclosure Measurements - Estimated Fair Value of the Company's Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financial assets:
Investment securities available for sale	$ 95,283	$ 114,376
Reported Value Measurement [Member]
Financial assets:
Cash and cash equivalents	39,886	32,495
Investment securities available for sale	95,283	114,376
Loans held for sale	463	634
Net loans	916,023	602,542
Bank-owned life insurance	15,652	13,540
Federal Home Loan Bank stock	3,589	2,204
Accrued interest receivable	3,288	2,426
Financial liabilities:
Deposits	878,194	629,934
Short-term borrowings	74,707	68,359
Other borrowings	29,065	9,437
Accrued interest payable	578	395
Estimate of Fair Value Measurement [Member]
Financial assets:
Cash and cash equivalents	39,886	32,495
Investment securities available for sale	95,283	114,376
Loans held for sale	463	634
Net loans	913,323	604,447
Bank-owned life insurance	15,652	13,540
Federal Home Loan Bank stock	3,589	2,204
Accrued interest receivable	3,288	2,426
Financial liabilities:
Deposits	877,227	630,371
Short-term borrowings	74,707	68,359
Other borrowings	29,069	9,512
Accrued interest payable	578	395
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Financial assets:
Cash and cash equivalents	39,886	32,495
Investment securities available for sale
Loans held for sale
Net loans
Bank-owned life insurance	15,652	13,540
Federal Home Loan Bank stock	3,589	2,204
Accrued interest receivable	3,288	2,426
Financial liabilities:
Deposits	635,207	440,500
Short-term borrowings	74,707	68,359
Other borrowings
Accrued interest payable	578	395
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Financial assets:
Cash and cash equivalents
Investment securities available for sale	95,283	114,376
Loans held for sale	463	634
Net loans
Bank-owned life insurance
Federal Home Loan Bank stock
Accrued interest receivable
Financial liabilities:
Deposits
Short-term borrowings
Other borrowings
Accrued interest payable
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Financial assets:
Cash and cash equivalents
Investment securities available for sale
Loans held for sale
Net loans	913,323	604,447
Bank-owned life insurance
Federal Home Loan Bank stock
Accrued interest receivable
Financial liabilities:
Deposits	242,020	189,871
Short-term borrowings
Other borrowings	29,069	9,512
Accrued interest payable

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Note 19 - Accumulate Other Comprehensive Income - Changes in Accumulated Other Comprehensive Income (Loss) by Component, Net of Tax (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Balance	[1]	$ 1,201	$ 2,395	$ 2,548
Other comprehensive income before reclassification	[1]	475	(994)	60
Amount reclassified from accumulated other comprehensive income	[1]	(585)	(200)	(213)
Total other comprehensive loss	[1]	(110)	(1,194)	(153)
Amount reclassified from accumulated other comprehensive income	[1]	(585)	(200)	(213)
Balance	[1]	$ 1,091	$ 1,201	$ 2,395

[1] All amounts are net of tax. Amounts in parentheses indicate debits to accumulated other comprehensive income.

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Note 19 - Accumulated Other Comprehensive Income - Significant Amounts Reclassified Out of Each Component of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Unrealized gains on available-for-sale securities	$ 886	[1]	$ 303	[1]	$ 323
Income taxes	(301)	[1]	(103)	[1]	(110)
Net of tax	$ 585		$ 200		$ 213

[1] Amounts in parentheses indicate expenses and other amounts indicate income.

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Note 20 - Business Acquisition (Details Textual) - USD ($)		12 Months Ended
	Jan. 12, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Goodwill		$ 15,071,000	$ 4,559,000
Goodwill, Impairment Loss		0	0	$ 0
Finite-Lived Core Deposits, Gross		2,700,000	36,000
Business Combination, Acquisition Related Costs		1,060,000
Core Deposits [Member]
Finite-Lived Intangible Assets, Accumulated Amortization		692,000	$ 318,000
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]
Business Acquisition, Percentage of Voting Interests Acquired					100.00%
Business Combination, Consideration Transferred	$ 42,168,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	544,610
Payments to Acquire Businesses, Gross	$ 21,173,000
Shares Issued, Price Per Share	$ 38.55
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain		488,000
Goodwill	$ 10,512,000	10,500,000
Goodwill, Impairment Loss		0
Goodwill, Purchase Accounting Adjustments		575,000
Business Combination, Acquisition Related Costs		1,100,000
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member] | Core Deposits [Member]
Finite-Lived Core Deposits, Gross		2,700,000
Finite-Lived Intangible Assets, Accumulated Amortization		$ 342,000

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Note 20 - Business Acquisition - Purchase Price and Adjustments (Details) - USD ($)		12 Months Ended
	Jan. 12, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill		$ 15,071,000	$ 4,559,000
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	544,610
Shares Issued, Price Per Share	$ 38.55
Purchase price assigned to Liberty common shares exchanged for Middlefield Banc Corp. shares	$ 20,995,000
Purchase price assigned to Liberty common shares exchanged for cash	21,173,000
Business Combination, Consideration Transferred	42,168,000
Previously held equity interest in Liberty	1,068,000	1,068,000
Liberty shareholders equity	30,474,000
Allowance for loan loss	3,257,000
Loans - interest rate	578,000
Loans - general credit	(2,161,000)
Core deposit intangible	3,087,000
Other	254,000
Time deposits	(141,000)
Deferred taxes	(906,000)
Change in control	(1,718,000)
Total net assets acquired	32,724,000
Goodwill	$ 10,512,000	$ 10,500,000

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Note 20 - Business Acquisition - Assets Acquired and Liabilities Assumed (Details) - USD ($)		12 Months Ended
	Jan. 12, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net assets acquired:
Goodwill		$ 15,071,000	$ 4,559,000
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]
Total purchase price	$ 42,168,000
Previously held equity interest in Liberty	1,068,000	1,068,000
Net assets acquired:
Cash	26,604,000
Loans and loans held for sale	201,341,000
Premises and equipment, net	325,000
Accrued interest receivable	440,000
Bank-owned life insurance	1,681,000
Core deposit intangible	3,087,000
Other assets	997,000
Time deposits	(30,744,000)
Non-time deposits	(167,300,000)
Accrued interest payable	(47,000)
Deferred taxes	(906,000)
Other liabilities	(2,754,000)
Total net assets acquired	32,724,000
Goodwill	$ 10,512,000	$ 10,500,000

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Note 20 - Business Acquisition - Schedule of Future Amortization Expenses for Core Deposits Intangibles (Details) - Core Deposits [Member] $ in Thousands	Dec. 31, 2017 USD ($)
2019	$ 341
2020	332
2021	321
2022	309
Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member]
Remaining 2017	352
2019	341
2020	332
2021	321
2022	309
2022	1,094
2023	$ 2,749

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Note 20 - Business Acquisition - Pro Forma Information (Details) - Merger of Liberty Bank, N.A. into The Middlefield Banking Company [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Net interest income	$ 10,354
Noninterest income	744
Net income	$ 2,625
Net interest income		$ 37,646	$ 34,817
Noninterest income		4,920	5,485
Net income		$ 8,438	$ 8,692
Basic pro forma (in dollars per share)		$ 2.79	$ 4.12
Diluted pro forma (in dollars per share)		$ 2.77	$ 4.10

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Note 21 - Parent Company - Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash and due from banks	$ 39,886	$ 31,395
Investment securities available for sale	95,283	114,376
Other assets	9,144	7,502
TOTAL ASSETS	1,106,336	787,821
TOTAL LIABILITIES	986,473	710,861
STOCKHOLDERS' EQUITY	119,863	76,960	$ 62,304	$ 63,867
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,106,336	787,821
Parent Company [Member]
Cash and due from banks	1,766	2,543
Investment securities available for sale	625	1,139
Other assets	3,450	2,837
TOTAL ASSETS	128,150	85,244
Trust preferred securities	8,248	8,248
Other liabilities	39	36
TOTAL LIABILITIES	8,287	8,284
STOCKHOLDERS' EQUITY	119,863	76,960
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	128,150	85,244
Parent Company [Member] | Non Bank Subsidiary [Member]
Equity method investments	2,363	2,360
Parent Company [Member] | Subsidiary Banks [Member]
Equity method investments	$ 119,946	$ 76,365

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Note 21 - Parent Company - Condensed Statement of Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Gain on sale of investment securities									$ 886	$ 303	$ 323
Total income	$ 11,564	$ 11,330	$ 10,902	$ 10,199	$ 7,821	$ 7,420	$ 7,405	$ 7,348	43,995	29,994	28,595
Interest expense	1,762	1,818	1,625	1,442	1,073	1,026	1,066	1,025	6,647	4,190	3,820
Income before income tax benefit	4,073	3,376	3,392	2,836	2,436	1,604	2,492	1,789	13,677	8,321	8,427
Income tax benefit	1,687	914	885	736	776	261	566	302	4,222	1,905	1,562
NET INCOME	$ 2,386	$ 2,462	$ 2,507	$ 2,100	$ 1,660	$ 1,343	$ 1,926	$ 1,487	9,455	6,416	6,865
Comprehensive Income									9,345	5,222	6,712
Parent Company [Member]
Dividends from subsidiary bank									10,425	3,400	4,023
Gain on sale of investment securities									488
Other									80	24	19
Total income									10,993	3,424	4,042
Interest expense									460	366	290
Other									2,091	1,856	860
Total expenses									2,551	2,222	1,150
Income before income tax benefit									8,442	1,202	2,892
Income tax benefit									(673)	(561)	(386)
Income before equity in undistributed net income of subsidiaries									9,115	1,763	3,278
Equity in undistributed net income of subsidiaries									340	4,653	3,587
NET INCOME									9,455	6,416	6,865
Comprehensive Income									$ 9,345	$ 5,222	$ 6,712

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Note 21 - Parent Company - Condensed Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 2,386	$ 2,462	$ 2,507	$ 2,100	$ 1,660	$ 1,343	$ 1,926	$ 1,487	$ 9,455	$ 6,416	$ 6,865
Gain on sale of investment securities									(886)	(303)	(323)
Other, net									(3,122)	330	(388)
Net cash provided by operating activities									13,920	7,801	7,182
Net (decrease) increase in short-term borrowings									6,348	32,534	21,017
Purchase of treasury stock											(6,784)
Proceeds from issuance of common stock									15,164	11,210
Cash dividends									3,358	2,318	2,153
Net cash used for financing activities									88,722	46,924	50,374
Increase (decrease) in cash									7,391	8,745	(1,889)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR				32,495				23,750	32,495	23,750	25,639
CASH AND CASH EQUIVALENTS AT END OF YEAR	39,886				32,495				39,886	32,495	23,750
Common stock issued in business acquisition									20,995
Parent Company [Member]
Net income									9,455	6,416	6,865
Equity method investments, income (loss)									(340)	(4,653)	(3,587)
Stock-based compensation expense									33	29	18
Gain on sale of investment securities									(488)
Other, net									282	(484)	(503)
Net cash provided by operating activities									8,942	1,308	2,793
Acquisition, net of cash paid									(22,249)
Net (decrease) increase in short-term borrowings										(9,499)	6,363
Purchase of treasury stock											(6,784)
Proceeds from issuance of common stock									15,164	11,210
Stock options exercised									184	(6)	(7)
Proceeds from dividend reinvestment plan									540	519	651
Cash dividends									(3,358)	(2,318)	(2,153)
Net cash used for financing activities									12,530	(94)	(1,930)
Increase (decrease) in cash									(777)	1,214	863
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR				$ 2,543				$ 1,329	2,543	1,329	466
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 1,766				$ 2,543				1,766	2,543	1,329
Common stock issued in business acquisition									20,995
Parent Company [Member] | Middlefield Banking Company [Member]
Equity method investments, income (loss)									(337)	(4,710)	(3,703)
Parent Company [Member] | EMORECO [Member]
Equity method investments, income (loss)									$ (3)	$ 57	$ 116

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Note 22 - Selected Quarterly Financial Data (Unaudited) - Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Total income	$ 11,564	$ 11,330	$ 10,902	$ 10,199	$ 7,821	$ 7,420	$ 7,405	$ 7,348	$ 43,995	$ 29,994	$ 28,595
Interest expense	1,762	1,818	1,625	1,442	1,073	1,026	1,066	1,025	6,647	4,190	3,820
Net interest income	9,802	9,512	9,277	8,757	6,748	6,394	6,339	6,323	37,348	25,804	24,775
Provision for loan losses	430	280	170	165	255	105	105	105
Net interest income after provision for loan losses	9,372	9,232	9,107	8,592	6,493	6,289	6,234	6,218	36,303	25,234	24,460
Total noninterest income	918	1,441	989	1,511	900	977	1,173	909	4,859	3,959	4,044
Total noninterest expense	6,217	7,297	6,704	7,267	4,957	5,662	4,915	5,338	27,485	20,872	20,077
Income before income tax benefit	4,073	3,376	3,392	2,836	2,436	1,604	2,492	1,789	13,677	8,321	8,427
Income tax benefit	1,687	914	885	736	776	261	566	302	4,222	1,905	1,562
Net income	$ 2,386	$ 2,462	$ 2,507	$ 2,100	$ 1,660	$ 1,343	$ 1,926	$ 1,487	$ 9,455	$ 6,416	$ 6,865
Net income, basic (in dollars per share)	$ 0.73	$ 0.77	$ 0.84	$ 0.78	$ 0.71	$ 0.60	$ 0.94	$ 0.79	$ 3.12	$ 3.04	$ 3.41
Net income, diluted (in dollars per share)	$ 0.73	$ 0.76	$ 0.83	$ 0.78	$ 0.70	$ 0.60	$ 0.94	$ 0.79	$ 3.10	$ 3.03	$ 3.39
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share (in shares)	3,215,300	3,212,335	3,000,451	2,679,816	2,251,412	2,247,587	2,051,137	1,878,177	3,028,950	2,107,857	2,014,966
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share (in shares)	3,231,791	3,223,753	3,014,140	2,692,015	2,264,712	2,256,230	2,059,411	1,886,943	3,052,585	2,119,214	2,024,120

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Note 23 - Return on Equity and Assets - Summary of Return on Equity and Assets (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Average total assets										$ 1,069,656	$ 757,052	$ 710,271
Average shareholders' equity										110,966	68,741	64,655
Net income		$ 2,386	$ 2,462	$ 2,507	$ 2,100	$ 1,660	$ 1,343	$ 1,926	$ 1,487	9,455	6,416	6,865
Net income available to common shareholders										$ 9,455	$ 6,416	$ 6,865
Cash dividends declared per share (in dollars per share)										$ 1.08	$ 1.08	$ 1.07
Return on average total assets										0.88%	0.85%	0.97%
Return on average shareholders' equity										8.52%	9.33%	10.62%
Dividend payout ratio (1)	[1]									35.52%	36.18%	31.36%
Average shareholders' equity to average assets										10.37%	9.08%	9.10%

[1] Cash dividends declared on common shares divided by net income available to common shareholders.