Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Cash Flows from Operating Activities
Net income	$ 2,687	$ 1,543
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of premises and equipment	345	351
Amortization of core deposit intangibles	131	169
Amortization of debt issuance costs	4	4
Origination of loans held for sale	(192)	(1,428)
Proceeds from sale of loans held for sale	571	1,798
Net gains on sales of loans held for sale	(9)	(33)
Provision for loan losses	100	0	$ 100
Net gains on sale of other real estate owned	(24)	0
Increase in cash value of bank owned life insurance	(91)	(85)
Accretion of discounts and amortization of premiums on securities, net	138	156
Accretion of premium on time deposits	(22)	(29)
Stock-based compensation	70	64
Excess tax benefits on stock-based compensation	(7)	(14)
Deferred income tax expense (benefit)	37	(102)
Changes in assets and liabilities:
Decrease (increase) in interest receivable	47	(7)
Decrease in other assets	1,394	168
(Decrease) increase in accrued expenses and other liabilities	(743)	280
Net cash provided by operating activities	4,436	2,835
Cash Flows from Investing Activities
Proceeds from maturities, calls, and principal payments of securities available for sale	3,052	3,370
Proceeds from maturities, calls, and principal payments of securities held to maturity	1,368	1,345
Purchases of securities available for sale	(8,676)	0
Net purchase of restricted securities	(20)	(22)
Purchase of premises and equipment	(287)	(275)
Proceeds from sale of other real estate owned	350	0
Proceeds from cash value of bank owned life insurance	347	0
Net decrease (increase) in loans	1,111	(11,573)
Net cash used in investing activities	(2,755)	(7,155)
Cash Flows from Financing Activities
Net increase in demand deposits and savings accounts	25,461	10,778
Net increase (decrease) in time deposits	2,406	(1,550)
Cash dividends paid on common stock, net of reinvestment	(233)	(161)
Repurchase of common stock	(24)	0
Net cash provided by financing activities	27,610	9,067
Increase in cash and cash equivalents	29,291	4,747
Cash and Cash Equivalents
Cash and cash equivalents, beginning of year	39,986	41,092	41,092
Cash and cash equivalents, end of year	69,277	45,839	$ 39,986
Cash payments for:
Interest	779	576
Supplemental Disclosures of Noncash Investing and Financing Activities
Unrealized (losses) gains on securities available for sale	(1,091)	577
Change in pension liability	(126)	0
Issuance of common stock, dividend reinvestment plan	$ 15	$ 12