10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

____________________________________

FORM 10-K

(Mark One)

xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2017

OR

o 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: 001-15409

______________________________

PILLARSTONE CAPITAL REIT

(Exact Name of Registrant as Specified in Its Charter)

Maryland	39-6594066
(State or Other Jurisdiction of Incorporation or	(I.R.S. Employer
Organization)	Identification No.)
2600 South Gessner, Suite 555, Houston, Texas	77063
(Address of Principal Executive Offices)	(Zip Code)

Registrant's telephone number, including area code: (832) 810-0100

Securities registered pursuant to Section 12(b) of the Act:

None

Securities registered pursuant to Section 12(g) of the Act:

Common Shares of Beneficial Interest, par value $0.01 per share

(Title of Class)

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

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 o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, 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 o No x

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405) is not contained herein, and will not be contained, to the best of 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. o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting 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 o Accelerated filer oNon-accelerated filer oSmaller reporting company x

Emerging growth company o

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. o

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

The aggregate market value of the voting common shares held by nonaffiliates of the registrant as of June 30, 2017 (the last business day of the registrant's most recently completed second fiscal quarter) was approximately $628,383 based on the closing price of $3.50 per common share on the over-the-counter bulletin board on that date.

As of March 23, 2018, the Registrant had issued 443,299 common shares of beneficial interest and had 405,169 shares outstanding after deducting 38,130 shares held in treasury.

DOCUMENTS INCORPORATED BY REFERENCE: We incorporate by reference in Part III of this Annual Report on Form 10-K portions of our definitive proxy statement for our 2018 Annual Meeting of Shareholders, which proxy statement will be filed no later than 120 days after the end of our fiscal year ended December 31, 2017 .

PILLARSTONE CAPITAL REIT

FORM 10-K

Year Ended December 31, 2017

Page
PART I
	Item 1.	Business.	2
	Item 1B.	Unresolved Staff Comments.	4
	Item 2.	Properties.	4
	Item 3.	Legal Proceedings.	5
	Item 4.	Mine Safety Disclosures.	5

PART II
	Item 5.	Market for Registrant’s Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities.	6
	Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations.	7
	Item 8.	Financial Statements and Supplementary Data.	10
	Item 9.	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.	10
	Item 9A.	Controls and Procedures.	10
	Item 9B.	Other Information.	10

PART III
	Item 10.	Trustees, Executive Officers and Corporate Governance.	10
	Item 11.	Executive Compensation.	10
	Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters.	10
	Item 13.	Certain Relationships and Related Transactions, and Director Independence.	11
	Item 14.	Principal Accountant Fees and Services.	11

PART IV
	Item 15.	Exhibits and Financial Statement Schedules.	12
		SIGNATURES.	15

Unless the context otherwise requires, all references in this report to the “Company,” “we,” “us” or “our” are to Pillarstone Capital REIT and its consolidated subsidiary.

Forward-Looking Statements

The following discussion should be read in conjunction with our audited consolidated financial statements and the notes thereto in this Annual Report on Form 10-K. 

This Annual Report on Form 10-K contains forward-looking statements within the meaning of the federal securities laws, including discussion and analysis of our financial condition, anticipated capital expenditures required to complete projects, amounts of anticipated cash distributions to our shareholders in the future and other matters. These forward-looking statements are not historical facts but are the intent, belief or current expectations of our management based on its knowledge and understanding of our business and industry. Forward-looking statements are typically identified by the use of terms such as “may,” “will,” “should,” “potential,” “predicts,” “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates” or the negative of such terms and variations of these words and similar expressions, although not all forward-looking statements include these words. These statements are not guarantees of future performance and are subject to risks, uncertainties and other factors, some of which are beyond our control, are difficult to predict and could cause actual results to differ materially from those expressed or forecasted in the forward-looking statements.

Forward-looking statements that were true at the time made may ultimately prove to be incorrect or false. You are cautioned not to place undue reliance on forward-looking statements, which reflect our management’s view only as of the date of this Annual Report on Form 10-K. We undertake no obligation to update or revise forward-looking statements to reflect changed assumptions, the occurrence of unanticipated events or changes to future operating results. Factors that could cause actual results to differ materially from any forward-looking statements made in this Annual Report on Form 10-K include:

• uncertainties related to the national economy, the real estate industry in general and in our specific markets;

• legislative or regulatory changes;

• adverse economic conditions in Texas;

• adverse changes in governmental rules and fiscal policies;

• increases in interest rates and operating costs;

• availability and terms of capital and financing, both to fund our operations and to refinance our indebtedness as it matures;

• decreases in rental rates or increases in vacancy rates; 

• litigation risks; 

• lease-up risks, including leasing risks arising from exclusivity and consent provisions in leases with significant tenants; 

• our inability to renew tenants or obtain new tenants upon the expiration of existing leases; and 

• our inability to generate sufficient cash flows due to market conditions, competition, uninsured losses, changes in tax or other applicable laws.

In addition, an investment in the Company involves numerous risks that potential investors should consider carefully, including, without limitation:

• our cash resources are limited;

• we have a history of losses;

• we have not raised funds through a public equity offering;

• our trustees control a significant percentage of our voting shares;

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• shareholders could experience possible future dilution through the issuance of additional shares;

• we are dependent on a small number of key senior professionals who are part-time employees; and

• we currently do not plan to distribute dividends to the holders of our shares.

PART I

Item 1. Business.

Company Overview

Pillarstone Capital REIT (the “Company,” “Pillarstone,” “we,” “our,” or “us”) is a Maryland real estate investment trust engaged in investing in, owning and operating commercial properties. Future real estate investments may include (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel, and other commercial properties, (ii) acquisition of or merger with a real estate investment trust (“REIT”) or a real estate operating company and (iii) joint venture investments. Excess funds can be invested in cash equivalents depending on market conditions.

The Company was formed on March 15, 1994 as a Maryland REIT. The Company operated as a traditional REIT by buying, selling, owning and operating commercial and residential properties through December 31, 1999. In 2000, the Company purchased a software technology company, resulting in the Company no longer meeting qualifications to be a REIT under the Internal Revenue Code of 1986, as amended (the “Code”). In 2002, the Company discontinued the operations of the technology segment.

From 2003 through 2006, we pursued a value-added business plan primarily focused on acquiring well located, under-performing multi-family residential properties, including affordable housing communities, and repositioning them through renovation, leasing, improved management and branding. In 2006, the Company did not complete a public offering for a portfolio acquisition due to market conditions, and consequently, was not able to meet the listing requirements of the former American Stock Exchange (“Amex”). Accordingly, Pillarstone’s common shares were delisted from the Amex and commenced being quoted on the Over-The-Counter Bulletin Board (“OTC Bulletin Board”) and on the pink sheets under the symbol “PRLE.”

From 2006 until December 2016, the Company continued its existence as a corporate shell filing its quarterly and annual reports with the Securities and Exchange Commission (“SEC”) so that it could be used for future real estate transactions. During this time, the Company was funded by the trustees who contributed $500,000 in exchange for 125,000 Class C Convertible Preferred Shares and $197,780 in exchange for convertible notes payable. In 2016, the shareholders of Pillarstone approved changing the Company's name from Paragon Real Estate Equity and Investment Trust to Pillarstone Capital REIT.

Substantially all of our business is conducted through Pillarstone Capital REIT Operating Partnership, a Delaware limited partnership organized in 2016 (“Pillarstone OP”). We are the sole general partner of Pillarstone OP. As of December 31, 2017, we owned 18.6% of the outstanding equity in Pillarstone OP.

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On December 8, 2016, Pillarstone and Pillarstone OP entered into a Contribution Agreement (the “Contribution Agreement”) with Whitestone REIT Operating Partnership, L.P. (“Whitestone OP”), a subsidiary and the operating partnership of Whitestone REIT (“Whitestone”), both of which are related parties to Pillarstone and Pillarstone OP. Pursuant to the terms of the Contribution Agreement, Whitestone OP contributed to Pillarstone OP all of the equity interests in four of its wholly-owned subsidiaries: Whitestone CP Woodland Ph. 2, LLC, a Delaware limited liability company (“CP Woodland”); Whitestone Industrial-Office, LLC, a Texas limited liability company (“Industrial-Office”); Whitestone Offices, LLC, a Texas limited liability company (“Whitestone Offices”); and Whitestone Uptown Tower, LLC, a Delaware limited liability company (“Uptown Tower”, and together with CP Woodland, Industrial-Office and Whitestone Offices, the “Entities”) that own fourteen real estate assets (the “Real Estate Assets” and, together with the Entities, the “Property”) for aggregate consideration of approximately $84 million, consisting of (1) approximately $18.1 million of Class A units representing limited partnership interests in Pillarstone OP (“OP Units”), issued at a price of $1.331 per OP Unit; and (2) the assumption of approximately $65.9 million of liabilities by Pillarstone OP, consisting of (a) approximately $15.5 million of Whitestone OP’s liability under that certain Amended and Restated Credit Agreement, dated as of November 7, 2014, as amended, among the Bank of Montreal, as Administrative Agent (the “Agent”), the lenders party thereto, BMO Capital Markets, Wells Fargo Securities, LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, and U.S. Bank, National Association, Whitestone OP, as borrower, and Whitestone and certain subsidiaries of Whitestone OP, as guarantors (as amended, the “Whitestone Credit Facility”); (b) an approximately $16.3 million promissory note (the “Whitestone Uptown Tower Promissory Note”) of Uptown Tower issued under that certain Loan Agreement, dated as of September 26, 2013, (as amended, the “Whitestone Uptown Tower Loan Agreement” and, together with the Whitestone Uptown Tower Promissory Note, the “Whitestone Uptown Tower Loan Documents”) between Uptown Tower, as borrower, and U.S. Bank National Association, as successor to Morgan Stanley Mortgage Capital Holdings LLC, as lender, and (c) an approximately $34.1 million promissory note (the “Whitestone Industrial-Office Promissory Note”) of Industrial-Office issued under that certain Loan Agreement, dated as of November 26, 2013 (the “Whitestone Industrial-Office Loan Agreement” and, together with the Whitestone Industrial-Office Promissory Note, the “Whitestone Industrial-Office Loan Documents”), between Industrial-Office, as borrower, and Jackson National Life Insurance Company, as lender (collectively, the “Acquisition”).

Pursuant to the Contribution Agreement, Pillarstone has agreed to file with the SEC on or prior to June 8, 2018, a shelf registration statement to register for sale under the Securities Act of 1933, as amended (the “Securities Act”), the issuance of the common shares of beneficial interest in Pillarstone (the “Common Shares”) that may be issued upon redemption of the OP Units issued pursuant to each of the Contribution Agreement and the OP Unit Purchase Agreement (as defined below) and the offer and resale of such Common Shares by the holders thereof. In addition, pursuant to the Contribution Agreement, in the event of a Change of Control (as defined therein) of Whitestone, Pillarstone OP shall have the right, but not the obligation, to repurchase the OP Units issued thereunder from Whitestone OP at their initial issue price of $1.331 per OP Unit.

In connection with the Acquisition, (1) with respect to each Real Estate Asset (other than the Real Property Asset owned by Uptown Tower), Whitestone TRS, Inc. (“Whitestone TRS”), a subsidiary of Whitestone, entered into a Management Agreement with the Entity that owns such Real Estate Asset and (2) with respect to Uptown Tower, Whitestone TRS entered into a Management Agreement with Pillarstone OP (collectively, the “Management Agreements”). Pursuant to the Management Agreements with respect to each Real Estate Asset (other than Uptown Tower), Whitestone TRS agreed to provide certain property management, leasing and day-to-day advisory and administrative services to such Real Estate Asset in exchange for (x) a monthly property management fee equal to 5.0% of the monthly revenues of such Real Estate Asset and (y) a monthly asset management fee equal to 0.125% of GAV (as defined in each Management Agreement as, generally, the purchase price of the respective Real Estate Asset based upon the purchase price allocations determined pursuant to the Contribution Agreement, excluding all indebtedness, liabilities or claims of any nature) of such Real Estate Asset. Pursuant to the Management Agreement with respect to Uptown Tower, Whitestone TRS agreed to provide certain property management, leasing and day-to-day advisory and administrative services to Pillarstone OP in exchange for (x) a monthly property management fee equal to 3.0% of the monthly revenues of Uptown Tower and (y) a monthly asset management fee equal to 0.125% of GAV of Uptown Tower.

As a result of the Acquisition, Whitestone OP owns approximately 81.4% of the outstanding equity in Pillarstone OP as of December 31, 2017. We account for Pillarstone OP on our financial statements using the equity method.

Competition

We compete for the acquisition of properties with many entities, including, among others, publicly traded REITs, life insurance companies, pension funds, partnerships and individual investors. Many competitors have substantially greater financial resources than us. In addition, certain competitors may be willing to accept lower returns on their investments. If competitors prevent us from buying properties that may be targeted for acquisition, our capital appreciation and valuation may be impacted.

3

Employees

As of March 1, 2018, the Company has two part-time employees.

Reports to Security Holders

We file or furnish with the SEC pursuant to Section 13(a), 15(d) or 16(a) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and amendments to those reports, proxy statements with respect to meetings of our shareholders, as well as Reports on Forms 3, 4 and 5 regarding our officers, trustees or 10% beneficial owners. You may read and copy any materials we file with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington, D.C. 20549. Information on the operation of the Public Reference Room may be obtained by calling the SEC at 1-800-SEC-0330. The SEC also maintains an internet site that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC as we do. The website address is http://www.sec.gov. Copies of our Audit Committee Charter, Management, Organization and Compensation Committee Charter, Nominating Committee Charter, and Code of Conduct and Ethics are available free of charge through our website (www.pillarstone-capital.com). In the event of any changes to these documents, revised copies will also be made available on our website. Materials on our website are not part of our Annual Report on Form 10-K. The contents of these websites are not incorporated into this filing.

Item 1B.  Unresolved Staff Comments.

None.

Item 2.  Properties.

General Physical and Economic Attributes

Pursuant to the Contribution Agreement, Pillarstone, through Pillarstone OP, acquired an investment portfolio consisting of the Real Estate Assets as described in Item 1. The following table sets forth certain information relating to each of our properties owned as of December 31, 2017.

Pillarstone Capital REIT
Real Estate Assets
As of December 31, 2017
Community Name	Location	Year Built/ Renovated	Gross Leasable Area (“GLA”)	Percent Occupied at 12/31/2017		Annualized Base Rental Revenue  (in thousands) (1)		Average Base Rental Revenue Per Sq. Ft. (2)		Average Net Effective Annual Base Rent Per Leased Sq. Ft.(3)
9101 LBJ Freeway	Dallas	1985	125,874	75	%	$	1,439	$	15.24	$	14.43
Corporate Park Northwest	Houston	1981	174,359	79	%	1,863		13.53		13.54
Corporate Park West	Houston	1999	175,665	78	%	1,540		11.24		11.27
Corporate Park Woodland	Houston	2000	99,937	97	%	1,003		10.35		10.76
Corporate Park Woodland II	Houston	2000	16,220	88	%	167		11.70		15.55
Dairy Ashford	Houston	1981	42,902	37	%	110		6.93		7.56
Holly Hall Industrial Park	Houston	1980	90,000	91	%	642		7.84		7.34
Holly Knight	Houston	1984	20,015	100	%	375		18.74		18.94
Interstate 10 Warehouse	Houston	1980	151,000	86	%	579		4.46		4.60
Main Park	Houston	1982	113,410	79	%	540		6.03		6.69
Plaza Park	Houston	1982	105,530	64	%	636		9.42		9.11
Uptown Tower	Dallas	1982	253,981	81	%	4,144		20.14		20.09
Westbelt Plaza	Houston	1978	65,619	67	%	501		11.40		10.99
Westgate Service Center	Houston	1984	97,225	99	%	720		7.48		7.46
Total / Weighted Average			1,531,737	81	%	$	14,259	$	11.49	$	11.51

4

⁽¹⁾  Calculated as the tenant's actual December 31, 2017 base rent (defined as cash base rents including abatements) multiplied by 12. Excludes vacant space as of December 31, 2017. Because annualized base rental revenue is not derived from historical results that were accounted for in accordance with generally accepted accounting principles in the United States (“GAAP”), historical results differ from the annualized amounts. Total abatements for leases in effect as of December 31, 2017 equaled approximately $51,000 for the month ended December 31, 2017.

⁽²⁾    Calculated as annualized base rent divided by GLA leased as of December 31, 2017.  Excludes vacant space as of December 31, 2017.

⁽³⁾  Represents (i) the contractual base rent for leases in place as of December 31, 2017, adjusted to a straight-line basis to reflect changes in rental rates throughout the lease term and amortize free rent periods and abatements, but without regard to tenant improvement allowances and leasing commissions, divided by (ii) square footage under commenced leases of December 31, 2017.

Item 3.  Legal Proceedings.

We may from time to time become a party to legal proceedings and claims that arise in the ordinary course of our business.  These matters are generally covered by insurance.  While the frequency and resolutions of any such matters cannot be predicted with certainty, we believe that occurrence and outcomes of these matters will not have a material effect on our financial position, results of operations or cash flows.

Item 4.  Mine Safety Disclosures.

Not applicable.

5

PART II

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

Market Information

Common Shares

Our Common Shares are quoted on the OTC Bulletin Board and on the pink sheets with the symbol “PRLE”. The number of holders of record of our Common Shares was 102 as of March 15, 2018, and we estimate we have approximately 304 beneficial holders of Common Shares as of that date. As of March 23, 2018, we had 405,169 Common Shares of beneficial interest outstanding.

Our Class A Cumulative Convertible Preferred Shares (“Class A Preferred Shares”) are quoted on the OTC Bulletin Board with the symbol “PRLEP”. The number of holders of record of our Class A Preferred Shares is two. Class A Preferred shareholders have the right to convert their shares into Common Shares, as follows: 95,226 Class A Preferred Shares are each convertible into 0.046 Common Shares and 161,410 Class A Preferred Shares are each convertible into 0.305 Common Shares.

Our Class C Convertible Preferred Shares were issued effective September 29, 2006 to the trustees of the Company who contributed cash and/or services for these shares. The Class C Convertible Preferred Shares are not quoted on an exchange or the OTC Bulletin Board.

The following table sets forth the quarterly high and low sale prices per share of our Common Shares for the years ended December 31, 2017 and 2016 as reported on the OTC Bulletin Board. The quotations shown represent inter-dealer prices without adjustment for retail markups, markdowns or commissions, and may not reflect actual transactions.

For the Year Ended December 31, 2017	High		Low
First Quarter	$	5.25	$	3.00
Second Quarter	$	3.60	$	3.50
Third Quarter	$	3.50	$	3.24
Fourth Quarter	$	4.05	$	2.78
For the Year Ended December 31, 2016	High		Low
First Quarter	$	3.00	$	1.40
Second Quarter	$	3.00	$	1.76
Third Quarter	$	2.50	$	2.00
Fourth Quarter	$	5.25	$	1.75

On March 23, 2018, the closing price of our Common Shares reported on the OTC Bulletin Board was $2.80 per share.

Dividend Policy

We have not declared or paid dividends on our Common Shares since 1999, and we do not anticipate paying dividends on our Common Shares in the foreseeable future. Declaration or payment of dividends, if any, in the future, will be at the discretion of the board of trustees and will depend on our then current financial condition, results of operations, capital requirements and other factors deemed relevant by the board of trustees.

Preferred Share Conversions

During 2017 and 2016, 0 and 1,600 preferred shares were converted into 0 and 73 Common Shares, respectively.

Issuer Purchases of Equity Securities

The Company did not purchase any of its equity securities in 2017.

6

Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations.

Overview

Pillarstone Capital REIT is a Maryland real estate investment trust engaged in investing in, owning and operating commercial properties. Future real estate investments may include (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel and other commercial properties, (ii) acquisition of or merger with a REIT or real estate operating company, and (iii) joint venture investments. Substantially all of our business is conducted through our operating partnership Pillarstone OP, a Delaware limited partnership organized in 2016. We are the sole general partner of Pillarstone OP. As of December 31, 2017, we owned approximately 18.6% of the outstanding equity in Pillarstone OP and Whitestone OP owned approximately 81.4% of the outstanding equity in Pillarstone OP as of December 31, 2017. We account for Pillarstone OP on our financial statements using the equity method.

As of December 31, 2017, the Company is a smaller reporting company current in its quarterly and annual financial statement filings with the SEC, that may make future real estate investments. There can be no assurance that we will be able to close additional transactions.  Even if our management is successful in closing additional transactions, investors may not value the transactions or the Company in the same manner as we do, and investors may not value the transactions as they would value other transactions or alternatives. Failure to obtain additional sources of capital will materially and adversely affect the Company’s ability to continue operations, as well as its liquidity and financial results.

Brief History

Pillarstone was formed on March 15, 1994 as a Maryland REIT. The Company operated as a traditional real estate investment trust by buying, selling, owning and operating commercial and residential properties through December 31, 1999. In 2000, the Company purchased a software technology company, resulting in the Company not meeting the qualifications to be a REIT under the Code. In 2002, the Company discontinued the operations of the technology segment, and from 2003 through 2006, pursued a value-added business plan primarily focused on acquiring well located, under-performing multi-family residential properties, including affordable housing communities, and repositioning them through renovation, leasing, improved management and branding.

Recent Developments and Executive Overview

During most of 2016, the Company existed as a corporate shell current in its SEC filings.

On December 8, 2016, Pillarstone and Pillarstone OP entered into the Contribution Agreement with Whitestone OP, a subsidiary and the operating partnership of Whitestone, both of which are related parties to Pillarstone and Pillarstone OP, pursuant to which Whitestone OP contributed to Pillarstone OP all of the equity interests in four of its wholly-owned subsidiaries: CP Woodland; Industrial-Office; Whitestone Offices; and Uptown Tower that own the Real Estate Assets for aggregate consideration of approximately $84 million, consisting of (1) approximately $18.1 million of Class A units representing limited partnership interests in Pillarstone OP issued at a price of $1.331 per OP Unit; and (2) the assumption of approximately $65.9 million of liabilities by Pillarstone OP.

As of December 31, 2017, Whitestone OP owns approximately 81.4% of the outstanding equity in Pillarstone OP. We account for Pillarstone OP on our financial statements using the equity method.

Results of Operations

The following is a discussion of our results of operations and comprehensive income for the years ended December 31, 2017 and 2016 and financial condition, including:

• Explanation of changes in the results of operations in the Consolidated Statements of Operations for the year ended December 31, 2017 compared to the year ended December 31, 2016.

• Our critical accounting policies and estimates that require our subjective judgment and are important to the presentation of our financial condition and results of operations.

• Our primary sources and uses of cash for the year ended December 31, 2017, and how we intend to generate cash for long-term capital needs.

• Our current income tax status.

7

Comparison of the years ended December 31, 2017 and 2016

Revenues from Operations

Total revenues remained flat at $0 for the years ended December 31, 2017 and 2016. During 2015 and through December 7, 2016, the Company existed as a shell corporation with no revenue producing activities. Historically, the Company's only revenues consisted of interest income from equity securities. As of December 31, 2017 and 2016, we held no equity securities and our decision to invest in equity securities on a temporary basis in 2018 is dependent on market conditions and the availability of cash to invest. Accordingly, we anticipate nominal revenue in 2018.

Expenses from Operations

Total expenses, comprised mostly of general and administrative expenses, decreased $219,018, from $511,757 for the year ended December 31, 2016 to $292,739 for the year ended December 31, 2017. This net decrease is due to decreases in legal fees of $333,731 and other professional fees of $51,492 offset by increased accounting fees of $117,145, SEC filing charges and transfer agent fees of $10,036, acquisition expense of $19,716 and miscellaneous expenses of $19,308. The aforementioned decreases in expenses occurred primarily as a result of the completion of the preparation and execution of the Contribution Agreement and other transaction documents executed in connection with the Acquisition.

Loss from Operations

As a result of the above, the loss from operations decreased $219,018 from $511,757 for the year ended December 31, 2016 to $292,739 for the year ended December 31, 2017.

Equity in Income of Pillarstone OP

The increase of $260,537 in equity in income of Pillarstone OP occurred as a result of a full year of activity under the Contribution Agreement entered into on December 8, 2016 whereby Pillarstone purchased an 18.6% interest in Pillarstone OP. As Pillarstone accounts for this interest purchased as an equity method investment, Pillarstone recognizes a portion of Pillarstone OP's income and loss in its financial statements.

Net Loss Attributable to Common Shareholders

Based on the above, the net loss attributable to common shareholders decreased $479,555 from $496,981 for the year ended December 31, 2016 to $17,426 for the year ended December 31, 2017.

Liquidity and Capital Resources

Cash provided by operations, equity transactions, and borrowings from affiliates and lending institutions have generally provided the primary sources of liquidity to the Company. Historically, the Company has used these sources to fund operating expenses, satisfy its debt service obligations and fund distributions to shareholders. During 2016, we were dependent on cash provided by loans in 2015 of $197,780 from five trustees on our board of trustees in exchange for convertible notes payable. The funds were utilized for part of the due diligence costs incurred in connection with the development and execution of the Contribution Agreement and other transaction documents executed in connection with the Acquisition as well as maintaining the Company's status as a smaller reporting company current in its quarterly and annual financial statement filings with the SEC. We have kept the public entity available for value-added real estate opportunities, including (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel, and other commercial properties, (ii) acquisition of or merger with a REIT or real estate operating company, and (iii) joint venture investments. During 2017, we were dependent on cash distributions from Pillarstone OP generated through Pillarstone OP's ownership of the Real Estate Assets acquired in the Acquisition. Excess funds can be invested in cash equivalents depending on market conditions.

Cash Flows

As of December 31, 2017, our unrestricted cash resources were $179,385. During 2016, we were dependent on cash loaned during 2015 by five trustees on our board of trustees in exchange for convertible notes payable, to meet our liquidity needs because we did not have cash from operations to meet our operating requirements. During 2017, we were dependent on cash distributions from Pillarstone OP generated through Pillarstone OP's ownership of the Real Estate Assets acquired in the Acquisition. During 2018, and future years, we will be dependent on these cash distributions from Pillarstone OP to meet our liquidity needs.

8

During the year ended December 31, 2017, the Company's cash balance increased by $171,940 from $7,445 at December 31, 2016 to $179,385 at December 31, 2017. During 2017, we had no cash financing activities. Cash provided by investing activities of $85,482 was primarily from regular distributions in connection with the Contribution Agreement from Pillarstone OP in excess of the Company's investment in Pillarstone OP.

Cash provided by operations of $86,458 included general and administrative costs, primarily for legal and professional costs associated with consummating the Contribution Agreement and other transaction documents executed in connection with the Acquisition, and for keeping Pillarstone current in its SEC filings so that it may be used for additional real estate transactions.

Future Obligations

The Company does not directly participate in any revenue generating activities, and as such, we currently have no cash from operations and have reduced our day-to-day overhead expenses and material future obligations. However, during December 2016, the Company, through the Contribution Agreement and its resulting 18.6% equity investment in Pillarstone OP, became a party to income generating activities. While the Company is developing strategies for the Real Estate Assets, we maintain reduced overhead expenses by issuing shares for our CEO’s salary and trustee fees, retaining our employees on a part-time unpaid basis, and not replacing employees who have left. We have also reduced the use of outside consultants, and negotiated discounts on or eliminated other expenses wherever possible.

Long Term Liquidity and Operating Strategies

Historically, we have financed our long term capital needs, including acquisitions, as follows:

• borrowings from new loans;

• additional equity issuances of our common and preferred shares; and

• proceeds from the sales of our real estate, a technology segment, and marketable securities.

From 2006 until December 2016, the Company continued its existence as a corporate shell filing its quarterly and annual reports with the SEC so that it could be used for future real estate transactions or sold to another company. During this time, the Company was funded by the trustees who contributed $500,000 in exchange for 125,000 Class C Convertible Preferred Shares and $197,780 in exchange for convertible notes payable.

Subsequent to the Acquisition through which Pillarstone OP acquired the Real Estate Assets, Pillarstone intends to develop strategies for the properties in order to create value for the enterprise and our shareholders. As part of the Acquisition, Pillarstone OP and Whitestone OP have agreed that Pillarstone OP may require Whitestone OP to purchase up to an aggregate of $3.0 million of additional OP Units from Pillarstone OP at $1.331 per unit over a two year period. To implement the strategy to create value with the Real Estate Assets, additional capital will need to be raised.

Current Tax Status

At December 31, 2017, we have net operating loss carryforwards of $2,510,000. While these losses created a deferred tax asset, a valuation allowance was applied against the asset because of the uncertainty as to whether we will be able to use these loss carryforwards, which will expire in varying amounts through the year 2038. In the event of a change of ownership of the Company, our ability (or the ability of any company that acquires or merges with us) to use our net operating loss carryforwards will be limited by federal tax regulations.

We and our subsidiary are also subject to certain state and local income, excise and franchise taxes. The provision for state and local taxes has been reflected in general and administrative expense in the consolidated statements of operations and has not been separately stated due to its insignificance.

Interest Rates and Inflation

The Company was not significantly affected by inflation during the periods presented in this report due primarily to the relative low nationwide inflation rates and the Company being a corporate shell with minimal expenses.

9

Off-Balance Sheet Arrangements

We have no off-balance sheet arrangements that have, or are likely to have, a current or future material effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources.

Application of Critical Accounting Estimates

Our consolidated financial statements are prepared in accordance with GAAP, which require us to make certain estimates and assumptions. The following section is a summary of certain estimates that both require our most subjective judgment and are most important to the presentation of our financial condition and results of operations. It is possible that the use of different estimates or assumptions in making these judgments could result in materially different amounts being reported in our consolidated financial statements.

Valuation Allowance of Deferred Tax Asset

We account for income taxes using the liability method under which deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities using enacted tax rates in effect for the period in which the differences are expected to affect taxable income. At December 31, 2017, we had net operating loss carryforwards totaling $2,510,000.

While these losses created a deferred tax asset of $571,000, a valuation allowance of $571,000 was applied against this asset because of the uncertainty of whether we will be able to use these loss carryforwards, which will expire in varying amounts through the year 2038. Pursuant to current Code regulations, we will be limited to using $651,600 of the prior net operating losses of $11,246,000, and these same regulations also limit the amount of loss used in any one year. Additionally, use of our net operating loss carryforwards will be limited in the event of a change in ownership of the Company.

Item 8.  Financial Statements and Supplementary Data.

The required audited consolidated financial statements of the Company are included herein commencing on page F-1.

Item 9.  Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.

As previously disclosed in the Company's Current Report on Form 8-K filed on January 20, 2017, upon the recommendation of the Company’s Audit Committee, our board of trustees dismissed Boulay PLLP (“Boulay”) as the Company’ independent registered public accounting firm and engaged Pannell Kerr Forster of Texas, P. C. (“PKF”) as the Company’s independent registered public accounting firm, beginning with the period ended December 31, 2016.

During the Company’s fiscal years ended December 31, 2015 and 2016 and through January 19, 2017 (the “Engagement Date”) (1) there were no disagreements with Boulay on any matter of accounting principles or practices, financial statement disclosure or auditing scope and procedure which, if not resolved to the satisfaction of Boulay, would have caused Boulay to make reference to the matter in its reports on the Company’s consolidated financial statements for the fiscal years ended December 31, 2014 and December 31, 2015 and (2) there were no “reportable events” as that term is defined in Item 304 of Regulation S-K promulgated under the Exchange Act.

During the Company’s two most recent fiscal years as of the Engagement Date, the subsequent interim periods thereto, and through the Engagement Date, neither the Company nor anyone on its behalf consulted PKF regarding either (1) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered on the Company's consolidated financial statements; or (2) any matter regarding the Company that was either the subject of a disagreement (as defined in Item 304(a)(1)(iv) of Regulation S-K and related instructions to Item 304 of Regulation S-K) or a reportable event (as defined in Item 304(a)(1)(v) of Regulation S-K).

Item 9A.  Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

As of December 31, 2017, we evaluated the effectiveness of the design and operation of the Company’s disclosure controls and procedures as defined in Rule 13a-15(e) under the Exchange Act. Based upon this evaluation, our principal

executive officer and principal financial officer each concluded that, as of December 31, 2017, our disclosure controls and procedures were effective.

Management’s Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining an adequate system of internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f). Our 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 reporting purposes in accordance with GAAP defined in the Exchange Act.

Our principal executive officer and principal financial officer carried out an evaluation of the effectiveness of our internal control over financial reporting. In making this evaluation, management used the COSO (the Committee of Sponsoring Organizations) 2013 framework of the Treadway Commission. Based on the results of our evaluation, our management concluded that our internal control over financial reporting was effective as of December 31, 2017.

Changes in Internal Control over Financial Reporting

There was no change in the fourth fiscal quarter of 2017 in our internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Item 9B.  Other Information.

None.

PART III

Item 10.  Trustees, Executive Officers and Corporate Governance.

The information required by Item 10 of Form 10-K is incorporated herein by reference to such information as set forth in the Company’s definitive proxy statement pursuant to Regulation 14A, which proxy statement will be filed with the SEC not later than 120 days after the close of our fiscal year ended December 31, 2017.

Item 11.  Executive Compensation.

The information required by Item 11 of Form 10-K is incorporated herein by reference to such information as set forth in the Company’s definitive proxy statement pursuant to Regulation 14A, which proxy statement will be filed with the SEC not later than 120 days after the close of our fiscal year ended December 31, 2017.

Item 12.  Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters.

The information required by Item 12 of Form 10-K is incorporated herein by reference to such information as set forth in the Company’s definitive proxy statement pursuant to Regulation 14A, which proxy statement will be filed with the SEC not later than 120 days after the close of our fiscal year ended December 31, 2017.

10

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

The information required by Item 13 of Form 10-K is incorporated herein by reference to such information as set forth in the Company’s definitive proxy statement pursuant to Regulation 14A, which proxy statement will be filed with the SEC not later than 120 days after the close of our fiscal year ended December 31, 2017.

Item 14.  Principal Accountant Fees and Services.

The information required by Item 14 of Form 10-K is incorporated herein by reference to such information as set forth in the Company’s definitive proxy statement pursuant to Regulation 14A, which proxy statement will be filed with the SEC not later than 120 days after the close of our fiscal year ended December 31, 2017.

11

PART IV

Item 15. Exhibits and Financial Statement Schedules.

Exhibit Number	Exhibit Description
2.1	Additional Contribution Agreement between the Company and Paragon Real Estate Development, LLC (filed as Exhibit 2.7 to the Company’s Current Report on Form 8-K filed on March 5, 2003 and incorporated herein by reference)
2.2	Amendment to Additional Contribution Agreement between the Company, the Board of Trustees and each Trustee individually dated September 29, 2006. (filed as Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on October 3, 2006 and incorporated herein by reference)
3.1	Articles of Amendment and Restatement of the Declaration of Trust of the Company (filed as Exhibit 3.1 to the Company's Current Report on Form 8-K filed on March 29, 2016 and incorporated herein by reference)
3.2	Third Amended and Restated Amendment No. 2 to the Amended and Restated Bylaws of the Company (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.1	Employment Agreement of James C. Mastandrea (filed as Exhibit 2.3 to the Company’s Current Report on Form 8-K filed on March 5, 2003 and incorporated herein by reference) (1)
10.2	Employment Agreement of John J. Dee (filed as Exhibit 2.4 to the Company’s Current Report on Form 8-K filed on March 5, 2003 and incorporated herein by reference) (1)
10.3	Restricted Share Agreement of James C. Mastandrea (filed as Exhibit 2.5 to the Company’s Current Report on Form 8-K filed on March 5, 2003 and incorporated herein by reference) (1)
10.4	Restricted Share Agreement of John J. Dee (filed as Exhibit 2.6 to the Company’s Current Report on Form 8-K filed on March 5, 2003 and incorporated herein by reference) (1)
10.5	Form of Restricted Share Agreement for Trustees dated September 26, 2006 (filed as Exhibit 10.3 to the Company’s Current Report on Form 8-K filed on October 3, 2006 and incorporated herein by reference) (1)
10.6	2004 Share Option Plan of the Company (filed as Exhibit 4.1 to the Company’s Registration Statement on Form S-8 filed on July 23, 2004 and incorporated herein by reference)
10.7	Stock Subscription Agreement between James C. Mastandrea and the Company dated as of September 29, 2006 (filed as Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on October 3, 2006 and incorporated herein by reference)
10.8	Form of Stock Subscription Agreement between Investors and the Company dated as of September 29, 2006 (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on October 3, 2006 and incorporated herein by reference)
10.9	Modification Agreement between the Company and John J. Dee dated April 3, 2006 (filed as Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on April 6, 2006 and incorporated herein by reference)
10.10	Modification Agreement between the Company and James C. Mastandrea dated April 3, 2006 (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on April 6, 2006 and incorporated herein by reference)
10.11	Form of First Amendment to Restricted Share Agreement for Trustees dated September 25, 2008 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2008 and incorporated herein by reference)
10.12	First Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 25, 2008 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2008 and incorporated herein by reference)
10.13	Form of Second Amendment to Restricted Share Agreement for Trustees dated September 21, 2009 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009 and incorporated herein by reference)
10.14	Second Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 21, 2009 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009 and incorporated herein by reference)
10.15	Form of Third Amendment to Restricted Share Agreement for Trustees dated September 28, 2010 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2010 and incorporated herein by reference)
10.16	Third Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 28, 2010 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2010 and incorporated herein by reference)

12

Exhibit Number	Exhibit Description
10.17	Form of Fourth Amendment to Restricted Share Agreement for Trustees dated September 29, 2011 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2011 and incorporated herein by reference)
10.18	Fourth Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 29, 2011 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2011 and incorporated herein by reference)
10.19	Form of Fifth Amendment to Restricted Share Agreement for Trustees dated September 28, 2012 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2012 and incorporated herein by reference)
10.20	Fifth Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 28, 2012 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2012 and incorporated herein by reference)
10.21	Form of Sixth Amendment to Restricted Share Agreement for Trustees dated September 30, 2013 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2013 and incorporated herein by reference)
10.22	Sixth Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 30, 2013 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2013 and incorporated herein by reference)
10.23	Form of Seventh Amendment to Restricted Share Agreement for Trustees dated September 30, 2014 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2014 and incorporated herein by reference)
10.24	Seventh Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 30, 2014 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2014 and incorporated herein by reference)
10.25	Form of Eighth Amendment to Restricted Share Agreement for Trustees dated September 30, 2015 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2015 and incorporated herein by reference)
10.26	Eighth Amendment to Stock Subscription Agreement between James C. Mastandrea and the Company dated September 30, 2015 (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2015 and incorporated herein by reference)
10.27	Contribution Agreement among Whitestone REIT Operating Partnership, Pillarstone Capital REIT Operating Partnership LP and the Company dated December 8, 2016 (filed as Exhibit 10.1 to the Company's Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.28	OP Unit Purchase Agreement among Whitestone REIT Operating Partnership, Pillarstone Capital REIT Operating Partnership LP and the Company dated December 8, 2016 (filed as Exhibit 10.2 to the Company's Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.29	Tax Protection Agreement among Whitestone REIT Operating Partnership, Pillarstone Capital REIT Operating Partnership LP and the Company dated December 8, 2016 (filed as Exhibit 10.3 to the Company's Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.30	Amended and Restated Limited Partnership Agreement of Pillarstone Capital REIT Operating Partnership LP, dated December 8, 2016 (filed as Exhibit 10.5 to the Company's Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.31	Form of Management Agreement dated December 8, 2016 (filed as Exhibit 10.4 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.33	Second Amendment to Amended and Restated Credit Agreement, Joinder and Reaffirmation of Guaranties, dated December 8, 2016, among Whitestone REIT Operating Partnership, L.P., Whitestone REIT, Pillarstone Capital REIT Operating Partnership LP, et al., as guarantors, the lenders party thereto, and Bank of Montreal, as Administrative Agent (filed as Exhibit 10.6 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.34	Limited Guaranty, dated December 8, 2016, between Pillarstone Capital REIT Operating Partnership LP and Bank of Montreal, as Administrative Agent (filed as Exhibit 10.7 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.35	Loan Agreement, dated September 26, 2013, by and between Whitestone Uptown Tower, LLC and Morgan Stanley Mortgage Capital Holdings LLC, as amended (filed as Exhibit 10.8 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.36	Promissory Note by Whitestone Uptown Tower, LLC to Morgan Stanley Mortgage Capital Holdings LLC, dated September 23, 2013 (filed as Exhibit 10.9 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)

13

Exhibit Number	Exhibit Description
10.37	Loan Agreement, dated November 26, 2013, by and between Whitestone Industrial-Office LLC and Jackson National Life Insurance Company (filed as Exhibit 10.10 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
10.38	Fixed Rate Promissory Note by Whitestone Industrial-Office LLC to Jackson National Life Insurance Company, dated November 26, 2013 (filed as Exhibit 10.11 to the Company’s Current Report on Form 8-K filed on December 13, 2016 and incorporated herein by reference)
31.1	Section 302 Certification pursuant to the Sarbanes-Oxley Act of 2002 - Chief Executive Officer (2)
31.2	Section 302 Certification pursuant to the Sarbanes-Oxley Act of 2002 - Chief Financial Officer (2)
32.1	CEO/CFO Certification under Section 906 of Sarbanes-Oxley Act of 2002 (2)
99.1	Consolidated Financial Statements of Pillarstone Capital REIT Operating Partnership LP as of December 31, 2017 and for the period September 23, 2016 (Inception) to December 31, 2016 (2)
101.INS*	XBRL Instance Document
101.SCH*	XBRL Taxonomy Extension Schema Document
101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB*	XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF*	XBRL Taxonomy Extension Definition Linkbase Document

* The following financial information of the Registrant for the years ended December 31, 2017 and 2016, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Operations, (iii) Consolidated Statements of Cash Flows, and (iv) Notes to Consolidated Financial Statements.

(1) Indicates a management contract or compensatory plan or arrangement

(2) Filed or furnished herewith

14

SIGNATURES

In accordance with the requirements of the Exchange Act, the registrant caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

			PILLARSTONE CAPITAL REIT
Date:	March 29, 2018	By:	/s/ James C. Mastandrea
			James C. Mastandrea, Chairman and CEO
			PILLARSTONE CAPITAL REIT
Date:	March 29, 2018	By:	/s/ John J. Dee
			John J. Dee, CFO

POWER OF ATTORNEY

KNOW ALL PERSON BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints John J. Dee, jointly and severally, his attorneys-in-fact, each with the power of substitution, for him in any and all capacities, to sign any amendments to this Report on Form 10-K and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorney-in-fact, or his substitute or substitutes, may do or cause to by done by virtue hereof.

In accordance with Section 13 or 15(d) of the Securities Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

PILLARSTONE CAPITAL REIT

Signature	Title	Date
/s/ James C. Mastandrea James C. Mastandrea	Trustee, Chief Executive Officer and    President	March 29, 2018
	(Principal Executive Officer)
/s/ John J. Dee John J. Dee	Trustee, Senior Vice President and    Chief Financial Officer	March 29, 2018
	(Principal Finance and Principal Accounting Officer)
/s/ Daryl J. Carter Daryl J. Carter	Trustee	March 29, 2018
/s/ Daniel G. DeVos Daniel G. DeVos	Trustee	March 29, 2018
/s/ Paul T. Lambert Paul T. Lambert	Trustee	March 29, 2018
/s/ Dennis H. Chookaszian Dennis H. Chookaszian	Trustee	March 29, 2018

15

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
		Page
	Report of Independent Registered Public Accounting Firm	F-2
	Consolidated Balance Sheets as of December 31, 2017 and 2016	F-3
	Consolidated Statements of Operations for the Years Ended December 31, 2017 and 2016	F-4
	Consolidated Statements of Changes in Equity (Deficit) for the Years Ended December 31, 2017 and 2016	F-5
	Consolidated Statements of Cash Flows for the Years Ended December 31, 2017 and 2016	F-6
	Notes to Consolidated Financial Statements	F-7

F-1

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Trustees and Shareholders of

Pillarstone Capital REIT:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of Pillarstone Capital REIT and subsidiary (the “Company”) as of December 31, 2017 and 2016, and the related consolidated statements of operations, changes in equity (deficit), and cash flows for each of the years in the two-year period ended December 31, 2017, and the related notes and schedules (collectively referred to as the “Consolidated Financial Statements”). In our opinion, the Consolidated 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 years in the two-year period ended December 31, 2017, in conformity with U.S. generally accepted accounting principles.

Basis for Opinion

These Consolidated Financial Statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s Consolidated 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 the 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 Consolidated Financial Statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are required to obtain an understanding of internal control over financial reporting, but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the Consolidated Financial Statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the Consolidated 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 Consolidated Financial Statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ Pannell Kerr Forster of Texas, P.C.

We have served as the Company's auditor since 2016.

Houston, Texas

March 29, 2018

F-2

Pillarstone Capital REIT and Subsidiaries
CONSOLIDATED BALANCE SHEETS
	December 31,
	2017			2016
ASSETS
Cash and cash equivalents	$	179,385		$	7,445
Marketable securities	100			100
Equity investment in Pillarstone Capital REIT Operating Partnership LP	—			14,776
Other assets	9,679			14,499
Fixed assets	3,398			—
Total assets	$	192,562		$	36,820
LIABILITIES AND EQUITY (DEFICIT)
Liabilities:
Accounts payable and accrued expenses	$	92,105		$	27,541
Accounts payable - related party	316,103			316,103
Convertible notes payable - related parties	197,780			197,780
Accrued interest payable - related parties	41,832			22,108
Negative equity investment in Pillarstone Capital REIT Operating Partnership LP	88,880			—
Total liabilities	736,700			563,532
Commitments and contingencies	—			—
Shareholders' Equity (Deficit):
Preferred A Shares - $0.01 par value, 1,518,000 authorized: 256,636 Class A cumulative convertible shares issued and outstanding at December 31, 2017 and 2016, $10.00 per share liquidation preference	2,567			2,567
Preferred C Shares - $0.01 par value, 300,000 authorized: 244,444 Class C cumulative convertible shares issued and outstanding at December 31, 2017 and 2016, $10.00 per share liquidation preference	2,444			2,444
Common Shares - $0.01 par value, 400,000,000 authorized: 443,299 shares issued and 405,169 outstanding at December 31, 2017 and 2016	4,052			4,052
Additional paid-in capital	28,146,986			28,146,986
Accumulated deficit	(27,899,452		)	(27,882,026		)
Treasury shares, at cost, 38,130 shares	(800,735		)	(800,735		)
Total Pillarstone Capital REIT shareholders' deficit	(544,138		)	(526,712		)
Total liabilities and equity (deficit)	$	192,562		$	36,820

The accompanying notes are an integral part of the consolidated financial statements.

F-3

Pillarstone Capital REIT and Subsidiaries
CONSOLIDATED STATEMENTS OF OPERATIONS
	Year Ended December 31,
	2017			2016
Revenues
Interest and dividend income	$	—		$	—
Total revenues	—			—
Expenses
General and administrative	273,015			491,925
Interest	19,724			19,832
Total expenses	292,739			511,757
Loss from operations	(292,739		)	(511,757		)
Equity in income of Pillarstone Capital REIT Operating Partnership LP	275,313			14,776
Net loss attributable to common shareholders	(17,426		)	(496,981		)
Net loss attributable to common shareholders per common share: Basic and Diluted	$	(0.04	)	$	(1.23	)
Weighted average number of common shares outstanding: Basic and Diluted	405,169			405,169

The accompanying notes are an integral part of the consolidated financial statements.

F-4

Pillarstone Capital REIT and Subsidiaries
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (DEFICIT)
	Class A			Class C				Additional					Cost of
	Preferred			Preferred		Common		Paid-in		Accumulated			Shares held			Total
	Shares			Shares		Shares		Capital		Deficit			in Treasury			Deficit
Balance, December 31, 2015	$	2,583		$	2,444	$	4,051	$	28,146,971	$	(27,385,045	)	$	(800,735	)	$	(29,731	)
Conversion of Class A Preferred Shares to Common Shares	(16		)	—		1		15		—			—			—
Net loss	—			—		—		—		(496,981		)	—			(496,981		)
Balance, December 31, 2016	2,567			2,444		4,052		28,146,986		(27,882,026		)	(800,735		)	(526,712		)
Net loss	—			—		—		—		(17,426		)	—			(17,426		)
Balance, December 31, 2017	$	2,567		$	2,444	$	4,052	$	28,146,986	$	(27,899,452	)	$	(800,735	)	$	(544,138	)

The accompanying notes are an integral part of the consolidated financial statements.

F-5

Pillarstone Capital REIT and Subsidiaries
CONSOLIDATED STATEMENTS OF CASH FLOWS
	Year Ended December 31,
	2017			2016
Cash flows from operating activities:
Net loss	$	(17,426	)	$	(496,981	)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Equity in income of Pillarstone Capital REIT Operating Partnership LP	(275,313		)	(14,776		)
Distributions received from Pillarstone Capital REIT Operating Partnership LP	290,089			—
Changes in operating assets and liabilities:
Other assets	4,820			(4,547		)
Accounts payable and accrued expenses	84,288			33,363
Accounts payable - related party	—			316,103
Net cash provided by (used in) operations	86,458			(166,838		)
Cash flows from investing activities:
Excess distributions received from Pillarstone Capital REIT Operating Partnership LP	88,880			—
Purchases of fixed assets	(3,398		)	—
Net cash provided by investing activities	85,482			—
Cash flows from financing activities:
Net cash provided by financing activities	—			—
Net increase (decrease) in cash and cash equivalents	171,940			(166,838		)
Cash and cash equivalents at beginning of year	7,445			174,283
Cash and cash equivalents at end of year	$	179,385		$	7,445
Non cash investing and financing activities:
Conversion of Preferred A Shares to common shares	$	—		$	16
Investment in Pillarstone Capital REIT Operating Partnership LP	$	—		$	4,121,312
Distribution in kind from Pillarstone Capital REIT Operating Partnership LP	$	—		$	(4,121,312	)

The accompanying notes are an integral part of the consolidated financial statements.

F-6

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

1. ORGANIZATION

Pillarstone Capital REIT (the “Company,” “Pillarstone,” “we,” “our,” or “us”) is a Maryland real estate investment trust (“REIT”) engaged in investing in, owning and operating commercial properties. In 2016, the shareholders of Pillarstone approved changing the Company's name from Paragon Real Estate Equity and Investment Trust to Pillarstone Capital REIT. Future real estate investments may include (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel, and other commercial properties, (ii) acquisition of or merger with a real estate investment trust (“REIT”) or real estate operating company and (iii) joint venture investments. We serve as the general partner of Pillarstone Capital REIT Operating Partnership LP (“Pillarstone OP”), which was formed on September 23, 2016 as a Delaware limited partnership. We are the sole general partner of Pillarstone OP and we conduct substantially all operations and activities through Pillarstone OP. As of December 31, 2017, we owned 18.6% of the outstanding equity in Pillarstone OP.

2. BASIS OF PRESENTATION

Basis of consolidation. We have prepared the consolidated financial statements pursuant to the rules and regulations of the SEC. In our opinion, all adjustments (consisting solely of normal recurring items) necessary for a fair presentation of our financial position as of December 31, 2017 and 2016, the results of our operations for the years ended December 31, 2017 and 2016, and of our cash flows for the years ended December 31, 2017 and 2016 have been included.

The Company presents its financial statements on a consolidated basis because it combines its accounts with a wholly-owned subsidiary that discontinued operations in 2002. All significant inter-company balances are eliminated in the consolidated financial statements. The Company's consolidated financial statements include equity in income of Pillarstone OP based on the Company's percentage of ownership in Pillarstone OP, an investment for which the Company accounts using the equity method.

Going concern. The financial statements have been prepared assuming the Company will continue as a going concern, which contemplates continued operations as a public company and paying liabilities in the normal course of business. The Company, through Pillarstone OP, acquired an equity investment in 14 real estate assets in December 2016 and its distributions of cash from Pillarstone OP are expected to be sufficient for the Company to continue as a going concern.

3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Accounting.  Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.

Use of estimates. In order to conform with generally accepted accounting principles in the United States (“GAAP”), management, in preparation of our consolidated financial statements, is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of December 31, 2017 and December 31, 2016, and the reported amounts of revenues and expenses for the years ended December 31, 2017 and 2016. Actual results could differ from those estimates. Significant estimates include deferred taxes and the related valuation allowance for deferred taxes, and these significant estimates, as well as other estimates and assumptions, may change in the near term.

Cash and cash equivalents. We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.  Cash and cash equivalents as of December 31, 2017 and 2016 consisted of demand deposits at commercial banks and brokerage accounts. We maintain our cash in bank accounts that are federally insured.

Marketable Securities. We classify our existing marketable equity securities as available-for-sale in accordance with the Financial Accounting Standards Board's (“FASB”) Investments-Debt and Equity Securities guidance. These securities are carried at fair value with unrealized gains and losses reported in equity as a component of accumulated other comprehensive income or loss. The fair value of the marketable securities is determined using Level 1 inputs under FASB Accounting Standards Codification (“ASC”) 820, “Fair Value Measurements and Disclosures.” Level 1 inputs represent quoted prices available in an active market for identical investments as of the reporting date. Gains and losses on securities sold are based on the specific identification method, and are reported as a component of interest, dividend and other investment income.

F-7

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

Equity method investment. The Company accounts for its investment in Pillarstone OP in accordance with ASC 323, “Investments - Equity Method and Joint Ventures,” which addresses the accounting for investments in entities over which the investor is deemed to exercise significant influence. The Company serves as the general partner of Pillarstone OP, with a 18.6% equity ownership interest and is a party to the Amended and Restated Agreement of Limited Partnership of Pillarstone OP, as described in Note 5 herein, which gives the general partner, subject to certain protective rights of the limited partners as described in Note 5, the responsibility and discretion for the management of Pillarstone OP, including the ability to cause Pillarstone OP to enter into certain major transactions including a merger of Pillarstone OP or a sale of substantially all of the assets of Pillarstone OP. As such, the Company is deemed to exercise significant influence but not complete control over Pillarstone OP. Additionally, we determined that we are not the primary beneficiary and thus the investment in Pillarstone OP qualifies for usage of the equity method of accounting.

Investments in equipment. Our investments in equipment assets are reported at cost. Depreciation expense is computed using the straight-line method based on the following useful lives:

Furniture, fixtures and equipment        3-7 years

There was no depreciation expense for the years ended December 31, 2017 and December 31, 2016.

Other assets. As of December 31, 2017, other assets totaled $9,679 for director and officer liability insurance. As of December 31, 2016, other assets of $14,499 are prepaid expenses for director and officer liability insurance of $9,202 and $5,297 of prepaid SEC filing charges.

Revenue recognition. Revenues are interest earned on cash balances and equity in earnings of an investee, and are recognized during the period in which they are earned.

Stock-based compensation. The Company accounts for stock-based compensation in accordance with ASC 718, “Compensation - Stock Compensation,” which addresses the accounting for stock-based payment transactions in which an enterprise receives employee services in exchange for (a) equity instruments of the enterprise or (b) liabilities that are based on the fair value of the enterprise’s equity instruments or that may be settled by the issuance of such equity instruments. ASC 718 generally requires that these transactions be accounted for using a fair-value-based method. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards.

Income taxes. Because we have not elected to be taxed as a REIT for federal income tax purposes, we account for income taxes using the liability method under which deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities using enacted tax rates in effect for the period in which the differences are expected to affect taxable income. Valuation allowances are established when necessary to reduce deferred tax assets to the amount expected to be realized.

The Company evaluates potential uncertain tax positions on an annual basis in conjunction with the board of trustees and its tax accountants. Authoritative literature provides a two-step approach to recognize and measure tax benefits when realization of the benefits is uncertain. The first step is to determine whether the benefit meets the more-likely-than-not condition for recognition and the second step is to determine the amount to be recognized based on the cumulative probability that exceeds 50%. The Company has no uncertain tax positions that required adjustments to our consolidated financial statements in 2017 or 2016.

At December 31, 2017, we have net operating loss carryforwards totaling $2,510,000. While these losses created a deferred tax asset, a valuation allowance was applied against the asset because of the uncertainty of whether we will be able to use these loss carryforwards, which will expire in varying amounts through the year 2038. Pursuant to regulations set forth in the Internal Revenue Code of 1986 as amended (the “Code”), Pillarstone will be limited to using $651,600 of the prior net operating losses of $11,246,000. These same regulations also limit the amount of loss used in any one year.

We are also subject to certain state and local income, excise and franchise taxes. The provision for state and local taxes has been reflected in general and administrative expense in the consolidated statements of operations and has not been separately stated due to its insignificance.    

F-8

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

Fair value of financial instruments. We adopted ASC 820, “Fair Value Measurements and Disclosures,” as it applies to our financial instruments, and ASC 825, “Financial Instruments.” ASC 820 defines fair value, outlines a framework for measuring fair value, and details the required disclosures about fair value measurements. ASC 825 permits companies to irrevocably choose to measure certain financial instruments and other items at fair value. ASC 825 also establishes presentation and disclosure requirements designed to facilitate comparison between entities that choose different measurement attributes for similar types of assets and liabilities.

Under ASC 820, fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in the principal or most advantageous market. ASC 820 establishes a hierarchy in determining the fair value of an asset or liability. The fair value hierarchy has three levels of inputs, both observable and unobservable. ASC 820 requires the utilization of the lowest possible level of input to determine fair value. Level 1 inputs include quoted market prices in an active market for identical assets or liabilities. Level 2 inputs are market data, other than Level 1, that are observable either directly or indirectly. Level 2 inputs include quoted market prices for similar assets or liabilities, quoted market prices in an inactive market, and other observable information that can be corroborated by market data. Level 3 inputs are unobservable and corroborated by little or no market data.

Except for those assets and liabilities which are required by authoritative accounting guidance to be recorded at fair value in our Consolidated Balance Sheets, we have elected not to record any other assets or liabilities at fair value, as permitted by ASC 825. No events occurred during 2017 which would require adjustment to the recognized balances of assets or liabilities which are recorded at fair value on a nonrecurring basis.

The following table provides information on those assets and liabilities measured at fair value on a recurring basis.

	Fair Value Measurement Using
	Level 1		Level 2		Level 3
Marketable Securities
December 31, 2017
Money Market Investment	$	100	$	—	$	—
December 31, 2016
Money Market Investment	$	100	$	—	$	—

The fair value of the marketable securities is based on quoted market prices in an active market.

Recent accounting pronouncements. Management has reviewed recently issued accounting pronouncements and does not expect the implementation of these pronouncements to have a significant effect on the Company's consolidated financial statements.

4. MARKETABLE SECURITIES

We had $100 of investments in marketable securities as of December 31, 2017 and 2016. All of the Company’s investments were in an insured deposit account at a securities brokerage firm. During 2017 and 2016, the Company made no transfers from the account at the securities brokerage firm to the operating account. There was no interest earned on the cash balances during 2017 and 2016.

F-9

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

5. EQUITY METHOD INVESTMENT

On December 8, 2016, Pillarstone and Pillarstone OP, entered into a Contribution Agreement (the “Contribution Agreement”) with Whitestone REIT Operating Partnership, L.P. (“Whitestone OP”), a subsidiary and the operating partnership of Whitestone REIT (“Whitestone”), both of which are related parties to Pillarstone and Pillarstone OP, pursuant to which Whitestone OP contributed to Pillarstone OP all of the equity interests in four of its wholly-owned subsidiaries: Whitestone CP Woodland Ph. 2, LLC, a Delaware limited liability company (“CP Woodland”); Whitestone Industrial-Office, LLC, a Texas limited liability company (“Industrial-Office”); Whitestone Offices, LLC, a Texas limited liability company (“Whitestone Offices”); and Whitestone Uptown Tower, LLC, a Delaware limited liability company (“Uptown Tower”, and together with CP Woodland, Industrial-Office and Whitestone Offices, the “Entities”) that own fourteen real estate assets (the “Real Estate Assets” and, together with the Entities, the “Property”) for aggregate consideration of approximately $84 million, consisting of (1) approximately $18.1 million of Class A units representing limited partnership interests in Pillarstone OP (“OP Units”), issued at a price of $1.331 per OP Unit; and (2) the assumption of approximately $65.9 million of liabilities by Pillarstone OP. Pursuant to the Contribution Agreement, Pillarstone became the general partner of Pillarstone OP with an equity ownership interest in Pillarstone OP totaling approximately a 18.6% valued at $4,121,312 as of the date of the agreement.

In connection with the Contribution Agreement, on December 8, 2016, the Company, as the general partner of Pillarstone OP, entered into an Amended and Restated Agreement of Limited Partnership of Pillarstone OP (as amended and restated, the “Amended and Restated Agreement of Limited Partnership”). Pursuant to the Amended and Restated Agreement of Limited Partnership, subject to certain protective rights of the limited partners described below, the general partner has responsibility and discretion in the management of Pillarstone OP, including the ability to cause Pillarstone OP to enter into certain major transactions including a merger of Pillarstone OP or a sale of substantially all of the assets of Pillarstone OP. Management agreements are in place delegating the management of the Real Estate Assets to Whitestone OP. The responsibilities delegated include property management, leasing and day-to-day advisory and administrative services. The limited partners have no power to remove the general partner without the general partner's consent. In addition, pursuant to the Amended and Restated Agreement of Limited Partnership, the general partner may not conduct any outside business without the consent of a majority of the limited partners other than in connection with certain actions described therein. As such, the Company is deemed to exercise significant influence but not complete control over Pillarstone OP. Additionally, we determined that we are not the primary beneficiary and thus the investment in Pillarstone OP qualifies for usage of the equity method of accounting.

The Amended and Restated Agreement of Limited Partnership designates two classes of units of limited partnership interest in Pillarstone OP: the OP Units and LTIP units. In general, LTIP units are similar to the OP Units and will receive the same quarterly per-unit profit distributions as the OP Units. The rights, privileges, and obligations related to each series of LTIP units will be established at the time the LTIP units are issued. As profits interests, LTIP units initially will not have full parity, on a per-unit basis, with OP Units with respect to liquidating distributions. Upon the occurrence of specified events, LTIP units can over time achieve full parity with the OP Units and therefore accrete to an economic value for the holder equivalent to OP Units. If such parity is achieved, vested LTIP units may be converted on a one-for-one basis into OP Units, which in turn are redeemable by the holder for cash or, at the Company’s election, exchangeable for Common Shares on a one-for-one basis.

The equity method of accounting requires our investment in Pillarstone OP be shown on our Balance Sheets as a single amount. Pillarstone's investment in Pillarstone OP amounted to an 18.6% ownership interest and carrying values of $(88,880) and $14,776 as of December 31, 2017 and December 31, 2016, respectively. As of December 31, 2017, the $(88,880) carrying value of our equity investment exceeded our equity in the underlying net assets of Pillarstone OP by approximately $78,000 and included equity in earnings of Pillarstone OP of $275,313 for the twelve month periods then ended, offset by distributions totaling $378,969 for the twelve month period ended December 31, 2017. This difference arose due to the $4,121,312 distribution in kind we received during December 2016, and the difference between the carrying value attributed to the assets and liabilities transferred to Pillarstone OP under common control accounting rules and their fair values. We are amortizing the difference over 25 years based on the estimate of the remaining useful lives of the properties acquired. Amortization of the difference is $3,120 for the twelve months December 31, 2017. There was no amortization during 2016. Pillarstone's investment in Pillarstone OP is negative as of December 31, 2017 due to the reductions in the balance from distributions received from Pillarstone OP and amortization offset by increases in the balance from equity in earnings from Pillarstone OP.

F-10

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

6. CONVERTIBLE NOTES PAYABLE - RELATED PARTIES

On November 20, 2015, five trustees on our board of trustees loaned $197,780 to the Company in exchange for convertible notes payable. The convertible notes payable accrue interest at 10% per annum and mature on November 20, 2018. The convertible notes payable can be converted by the noteholder into Common Shares at the rate of $1.331 per Common Share at any time. After six months, the Company can convert the notes payable into Common Shares. At maturity or when the Company chooses to convert the convertible notes payable into Common Shares, the noteholders have the option to receive cash plus accrued interest or convert the convertible notes payable into Common Shares.

7. SHAREHOLDERS' EQUITY

Recent developments. Our common shareholders, Preferred Class A shareholders, and Preferred Class C shareholders approved changes to our declaration of trust, as amended and restated, in March 2016. We presently have authority to issue up to 450,000,000 shares of beneficial interest, $0.01 par value per share, of which 400,000,000 are classified as Common Shares of beneficial interest, $0.01 par value per share and 50,000,000 are classified as preferred shares of beneficial interest, $0.01 par value per share. Of the 50,000,000 preferred shares of beneficial interest, 1,518,000 shares are designated as Preferred Class A Shares and 300,000 shares are designated as Preferred Class C Shares. Previously, we had authority to issue up to 110,000,000 shares of beneficial interest, $0.01 par value per share, of which 100,000,000 were classified as Common Shares of beneficial interest, $0.01 par value per share, and 10,000,000 were classified as preferred shares of beneficial interest, $0.01 par value per share, with 1,518,000 shares designated as Preferred Class A Shares and 300,000 shares designated as Preferred Class C Shares.

Conversion of OP Units by limited partners. At any time on or after six months following the date of the initial issuance thereof, limited partners in Pillarstone OP holding OP Units have the right to convert their OP Units for cash, or at the option of the general partner, common shares of the Company. As of December 31, 2017 and 2016, there were 16,688,167 OP Units outstanding.

Preferred shares. The Company has outstanding 95,226 Class A Cumulative Convertible Preferred Shares (“Class A Preferred Shares”) that were issued to the public. The Class A Preferred Shares bear a liquidation value of $10.00 per share. The Class A Preferred Shares are each convertible into 0.046 Common Shares subject to certain formulas. We have the right to redeem the Class A Preferred Shares.

Effective June 30, 2003, we issued 696,078 Class A Preferred Shares valued at approximately $2.4 million to James C. Mastandrea, our Chairman, Chief Executive Officer and President, and John J. Dee, our Chief Financial Officer and Senior Vice President, pursuant to separate restricted share agreements. Under each restricted share agreement, the restricted shares vest upon the later of the following dates:

• the date our gross assets exceed $50 million, or

• 50% of the restricted shares on March 4, 2004; 25% of the shares on March 4, 2005 and the remaining 25% of the shares on March 4, 2006.

In conjunction with a one-time incentive exchange offer for Class A Preferred shareholders, Messrs. Mastandrea and Dee exchanged 534,668 of these restricted Class A Preferred Shares into 163,116 restricted Common Shares. The restrictions described above are also applicable to their Common Shares. The remaining 161,410 restricted Class A Preferred Shares held by Messrs. Mastandrea and Dee can each be converted into 0.305 restricted Common Shares. The market value of 161,410 restricted Class A Preferred Shares and 163,116 restricted Common Shares is approximately $590,000 at December 31, 2017 and there is limited trading volume of the Common Shares on OTC Bulletin Board.

The number of Common Shares and the conversion factor have been revised to reflect the 1-for-75 reverse split of the Common Shares that occurred in July 2006.

During 2017, no Class A Preferred Shares were converted into Common Shares, and during 2016, 1,600 Class A Preferred Shares were converted into 73 Common Shares.

F-11

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

Effective September 29, 2006, Pillarstone filed articles supplementary to its Declaration of Trust, as amended, restated and supplemented with the State Department of Assessment and Taxation of Maryland designating 300,000 Class C Convertible Preferred Shares (“Class C Preferred Shares”). The Class C Preferred Shares have voting rights equal to the number of Common Shares into which they are convertible. Each Class C Preferred Share is convertible into Common Shares by dividing the sum of $10.00 and any accrued but unpaid dividends on the Class C Preferred Shares by the conversion price of $1.00. The Class C Preferred Shares have a liquidation preference of $10.00 per share, plus any accrued but unpaid dividends, and can be redeemed by the board of trustees at any time, with notice, at the same price per share.

Effective September 29, 2006, three independent trustees of Pillarstone signed subscription agreements to purchase 125,000 Class C Preferred Shares for an aggregate contribution of $500,000 to maintain Pillarstone as a corporate shell current in its SEC filings.

In addition, on September 29, 2006, Mr. Mastandrea signed a subscription agreement to purchase 44,444 restricted shares of Class C Preferred Shares. The consideration for the purchase was Mr. Mastandrea’s services as an officer of Pillarstone for the period beginning September 29, 2006 and ending September 29, 2008. The Class C Preferred Shares are subject to forfeiture and are restricted from being sold by Mr. Mastandrea until the latest to occur of a public offering by Pillarstone sufficient to liquidate the Class C Preferred Shares, an exchange of Pillarstone’s existing shares for new shares, or September 29, 2008. These shares were fully amortized by the original date in 2008.

Each of the trustees of Pillarstone signed a restricted share agreement with Pillarstone, dated September 29, 2006, to receive a total of 12,500 restricted Class C Preferred Shares in lieu of receiving fees in cash for service as a trustee for the two years ending September 29, 2008. The restrictions on the Class C Preferred Shares are to be removed upon the latest to occur of a public offering by Pillarstone sufficient to liquidate the Class C Preferred Shares, an exchange of Pillarstone's existing shares for new shares, or September 29, 2008. These shares were fully amortized by the original date in 2008.

Shares held in treasury. On October 1, 2003, we completed the sale of our 92.9% general partnership interest in our four commercial properties. A portion of the proceeds from the sale was paid in 38,130 of our Common Shares at an average closing price for the 30 calendar days prior to June 27, 2003 of $21.00 or approximately $801,000. These shares are recorded at cost in the accompanying consolidated balance sheets under treasury shares.

Restricted Common Shares. The following table summarizes the activity of our unvested restricted Common Shares for the years ended December 31, 2017 and 2016:

	Unvested Restricted Common Shares
		Weighted-Average
	Number of	Grant-Date
	Shares	Fair Value
Unvested at December 31, 2015	168,449	$11.44
Vested	—	—
Unvested at December 31, 2016	168,449	$11.44
Vested	—	—
Unvested at December 31, 2017	168,449	$11.44

In the above table, 163,116 restricted shares vest upon meeting performance goals as discussed under “Preferred Shares.” Since the grant date, we have determined that meeting these performance goals is not probable, and no compensation expense has been recognized related to this grant. The grant date fair value of $1,847,000 would be recognized at the point we deem it probable that we would meet the performance goals. The balance of 5,333 restricted shares had grant date fair values totaling $79,000, which was recognized in prior periods though the restrictions remain on the shares.

F-12

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

On June 30, 2003, our shareholders approved the issuance of an agreement to issue additional Common Shares to Paragon Real Estate Development, LLC of which Mr. Mastandrea is the managing member, and Mr. Dee is a member. In September 2006, Pillarstone amended this agreement to include each of the trustees to the agreement so that if a trustee brings a new transaction to Pillarstone, he would receive additional Common Shares of Pillarstone in accordance with a formula in the agreement. In January 2016, the non-employee trustees and Mr. Mastandrea agreed to make this agreement for only non-employee trustees. The agreement is intended to serve as an incentive for our trustees to increase the asset base, net operating income, funds from operations, and share value of Pillarstone. The exact number of Common Shares that would be issued will be calculated in accordance with a formula in the agreement based on future acquisition, development or redevelopment transactions. Any of these transactions would be subject to approval by the members of our board of trustees who are not receiving the additional Common Shares. We would issue our Common Shares only upon the closing of a transaction. The maximum number of Common Shares a trustee may receive under the additional contribution agreement is limited to a total value of $26 million based on the average closing price of our Common Shares for 30 calendar days preceding the closing of any acquisition transaction. The Common Shares will be restricted until we achieve the five year pro forma income target for the acquisition, as approved by the board of trustees, and an increase of 5% in Pillarstone's net operating income and funds from operations. The restricted shares would vest immediately upon any “shift in ownership,” as defined in the agreement.

Options. On November 16, 1998, we adopted the 1998 Share Option Plan. In 2004, the board of trustees unanimously recommended and the shareholders approved amendments to our 1998 Share Option Plan to increase the number of shares available for grant from 42,222 to 46,666 and to conform with then current tax regulations (“2004 Plan”). The 2004 Plan expired in 2014; the one outstanding grant of 667 options remains effective until 90 days after the term ends of the individual trustee.

The following table summarizes the activity for outstanding stock options:

	Options Outstanding
				Weighted-Average
		Weighted-Average		Remaining
	Number of	Exercise		Contractual Term	Aggregate
	Shares	Price		(in years)	Intrinsic Value (1)
Balance at December 31, 2015	667	$	33.75	1.25	$	—
Granted	—	—
Exercised	—	—
Canceled / forfeited / expired	—	$	—
Balance at December 31, 2016	667	$	33.75	1.25	$	—
Granted	—	—
Exercised	—	—
Canceled / forfeited / expired	—	—
Balance at December 31, 2017	667	$	33.75	1.25	$	—
Vested and exercisable as of December 31, 2017	—	$	—	0	$	—

⁽¹⁾  The aggregate intrinsic value is calculated as approximately the difference between the weighted average exercise price of the underlying awards and the Company’s estimated current fair market value at December 31, 2017. Because the weighted average exercise price exceeds fair market value at December 31, 2017, there is no aggregate intrinsic value for the options.

The Company did not recognize any stock-based compensation expense during the years ending December 31, 2017 and 2016. As of December 31, 2017 and December 31, 2016, there was no remaining unrecognized cost related to stock options.

F-13

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

8. INCENTIVE EQUITY PLAN

At the 2016 Annual Meeting of Shareholders, our shareholders approved the 2016 Equity Plan (“2016 Plan”).

The 2016 Plan provides that awards may be made in Common Shares of the Company or units in the Company’s operating partnership, which may be converted into Common Shares. Subject to adjustment as provided by the terms of the 2016 Plan, the maximum aggregate number of Common Shares with respect to which awards may be granted under the 2016 Plan will be increased based on future issuances of Common Shares and units of the operating partnership, including issuances pursuant to the 2016 Plan, so that at any time the maximum number of shares that may be issued under the 2016 Plan shall equal 12.5% of the aggregate number of Common Shares and units of the operating partnership issued and outstanding (other than treasury shares and/or units issued to or held by the Company).

The Management, Organization and Compensation Committee (the “Committee”) administers the 2016 Plan, except with respect to awards to non-employee trustees, for which the 2016 Plan is administered by the board of trustees. Subject to the terms of the 2016 Plan, the Committee is authorized to select participants, determine the type and number of awards to be granted, determine and later amend (subject to certain limitations) the terms and conditions of any award, interpret and specify the rules and regulations relating to the 2016 Plan, and make all other determinations which may be necessary or desirable for the administration of the 2016 Plan. The 2016 Plan includes the types of awards for grants and the types of financial performance measures.

As of December 31, 2017, the maximum number of Common Shares or OP Units available to be granted is 2,356,426, and no grants have been issued under the 2016 Plan.

9. LOSS PER SHARE

The Company applies the guidance of ASC 260, “Earnings Per Share,” for all periods presented herein. Net loss per weighted average common share outstanding - basic and diluted - are computed based on the weighted average number of Common Shares outstanding for the period. The weighted average number of Common Shares outstanding for the years ended December 31, 2017 and 2016 was 405,169. Common share equivalents of 3,083,284 as of December 31, 2017 and 3,068,358 as of December 31, 2016 include outstanding convertible preferred shares, convertible notes payable and stock options, and are not included in net loss per weighted average common share outstanding-diluted as they would be anti-dilutive.

	Year ended December 31,
	2017			2016
Numerator
Net loss attributable to common shareholders	(17,426		)	$	(496,981	)
Denominator
Weighted average Common Shares outstanding at December 31, 2017 and December 31, 2016 - basic and diluted	405,169			405,169
Basic and Diluted EPS
Net loss attributable to common shareholders - basic and diluted	$	(0.04	)	$	(1.23	)

10. DIVIDENDS AND DISTRIBUTIONS

No cash distributions were declared during 2017 and 2016 with respect to the common or preferred shares.

11. INCOME TAXES

There was no income tax provision for the years ended December 31, 2017 and 2016.

F-14

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

	For the year ended December 31,
	2017			2016
Deferred benefit	$	(6,000	)	$	(40,000	)
Change in deferred rate (1)	350,000			156,000
Change in valuation allowance	(344,000		)	(116,000		)
Total tax provision	$	—		$	—

The tax provision differs from the expense that would result from applying Federal statutory rates as follows:

	For the year ended December 31,
	2017			2016
Benefit at Federal statutory rate	$	(6,000	)	$	(40,000	)
Change in deferred rate (1)	350,000			156,000
Change in valuation allowance	(344,000		)	(116,000		)
Tax provision	$	—		$	—

⁽¹⁾  The deferred tax rate decreased from 40% to 34% during 2016 and decreased from 34% to 21% during 2017.        

F-15

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

Deferred tax assets and liabilities consist of the following:

	At December 31,
	2017			2016
Deferred tax assets:
Net operating loss carryforwards	$	571,000		$	915,000
Valuation allowance	(571,000		)	(915,000		)
Net deferred tax assets	$	—		$	—

Realization of deferred tax assets is dependent upon generation of sufficient future taxable income and the effects of other loss utilization provisions. Management has determined that sufficient uncertainty exists regarding the realizability of the net deferred tax assets and has provided a full valuation allowance of $571,000 and $915,000, against the net deferred tax assets of the Company as of December 31, 2017 and 2016, respectively. A valuation allowance is considered to be a significant estimate that may change in the near term.

At December 31, 2017, the Company had net operating loss carryforwards of $2,510,000 available to be carried to future periods. Net operating loss carryforwards of $1,859,000 are available for Pillarstone to use without any limitation or restriction imposed by tax regulations. Changes in the ownership of Pillarstone’s shares that occurred in 2001, 2003 and 2006 have limited the amount of net operating losses to be used to approximately $72,400 per year for another 9 years, or a total of $651,600. Prior net loss carryforwards of approximately $10,642,000 cannot be used due to the limitations imposed by Section 382 of the Code related to the 2001, 2003 and 2006 changes of share ownership.

The loss carryforwards expire as follows:

Year Expiring	Net Operating Loss
2027	$	1,551,000
2028	364,000
2029	248,000
2030	81,000
2031	52,000
2032	39,000
2033	61,000
2034	54,000
2035	57,000
2036	68,000
2037	95,000
2038	(160,000		)
Total loss carryforwards	$	2,510,000

12. RELATED PARTY TRANSACTIONS

During the year ended December 31, 2016, the Company incurred certain general and administrative expenses which were paid by Pillarstone OP on the Company's behalf, with the intent that the amount would be repaid in full at a later date, resulting in a related party payable as of December 31, 2016 totaling $316,103. This payable balance represented 77% and 92% of the Company's total accounts payable as of December 31, 2017 and December 31, 2016, respectively. These expenses represented 64.3% of the Company's total general and administrative expenses incurred during the year ended December 31, 2016. No such amounts were paid by Pillarstone OP during the year ended December 31, 2017 and the payable balance as of December 31, 2016 remains outstanding.

F-16

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

On December 8, 2016, the Company entered into the Contribution Agreement with Pillarstone OP and Whitestone OP, both of which are related parties, resulting in the contribution of an equity ownership interest in Pillarstone OP to the Company valued at $4,121,312 and representing approximately 18.6% of the outstanding equity in Pillarstone OP. The terms of the Contribution Agreement were determined through arm's-length negotiations and were recommended to the board of trustees by a special committee of the board of trustees consisting solely of disinterested trustees of the Company and approved by the full board. During the period of December 8, 2016 through December 31, 2016, Pillarstone received a distribution in kind totaling $4,121,321 from Pillarstone OP and recognized equity in income of Pillarstone OP totaling $14,776, resulting in an ending equity investment balance in Pillarstone OP of $14,776 as of December 31, 2016. During the year ended December 31, 2017, the Company received distributions from Pillarstone OP totaling $378,969 and recognized equity in income of Pillarstone OP totaling $275,313, resulting in an ending negative equity investment balance in Pillarstone OP of $88,880 as of December 31, 2017.

Pursuant to the Contribution Agreement, the Company has agreed to file with the SEC on or prior to June 8, 2018, a shelf registration statement to register for sale under the Securities Act, the issuance of the Common Shares that may be issued upon redemption of the OP Units issued pursuant to each of the Contribution Agreement and the OP Unit Purchase Agreement (as defined below) and the offer and resale of such Common Shares by the holders thereof. In addition, pursuant to the Contribution Agreement, in the event of a Change of Control (as defined therein) of Whitestone, Pillarstone OP shall have the right, but not the obligation, to repurchase the OP Units issued thereunder from Whitestone OP at their initial issue price of $1.331 per OP Unit.

In connection with the Contribution Agreement, on December 8, 2016, the Company and Pillarstone OP entered into an OP Unit Purchase Agreement (the “OP Unit Purchase Agreement”) with Whitestone OP pursuant to which Pillarstone OP may require Whitestone OP to purchase up to an aggregate of $3.0 million of OP Units at a price of $1.331 per OP Unit over the two-year term of the OP Unit Purchase Agreement on the terms set forth therein. In addition, pursuant to the OP Unit Purchase Agreement, in the event of a Change of Control (as defined therein) of Whitestone, Pillarstone OP shall have the right, but not the obligation, to repurchase the OP Units issued thereunder from Whitestone OP at their initial issue price of $1.331 per OP Unit.

In connection with the Contribution Agreement, on December 8, 2016, the Company and Pillarstone OP entered into a Tax Protection Agreement (the “Tax Protection Agreement”) with Whitestone OP pursuant to which Pillarstone OP agreed to indemnify Whitestone OP for certain tax liabilities resulting from its recognition of income or gain prior to December 8, 2021 if such liabilities result from a transaction involving a direct or indirect taxable disposition of all or a portion of the property acquired in the Contribution Agreement or if Pillarstone OP fails to maintain and allocate to Whitestone OP for taxation purposes minimum levels of liabilities as specified in the Tax Protection Agreement, the result of which causes such recognition of income or gain and Whitestone incurs taxes that must be paid to maintain its REIT status for federal tax purposes. The provisions of the Tax Protection Agreement would not apply if there were a Change of Control (as defined in the Purchase Agreement) and the Operating Partnership were to repurchase the OP Units issued under the Purchase Agreement from Whitestone OP at their initial issue price of $1.331 per OP Unit.

As detailed further in Note 13 below, in February 2017, the Company leased office space from Whitestone in Houston, Texas to support the day-to-day operations of Pillarstone OP. The termination date for the leased space is June 30, 2020.

F-17

PILLARSTONE CAPITAL REIT

Notes to Consolidated Financial Statements

December 31, 2017

13. COMMITMENTS AND CONTINGENCIES

Employment Agreements

On April 3, 2006, the board of trustees authorized modifications to Mr. Mastandrea’s employment agreement. The modification agreement allows Mr. Mastandrea to devote time to other business and personal investments while performing his duties for Pillarstone. The original employment agreement with Mr. Mastandrea provides for an annual salary of $60,000 effective as of March 4, 2003. The initial term of Mr. Mastandrea’s employment is for two years and may be extended for terms of one year. Mr. Mastandrea’s base annual salary may be adjusted from time to time, except that the adjustment may not be lower than the preceding year’s base salary. The employment agreement provides that Mr. Mastandrea will be entitled to base salary and bonus at the rate in effect before any termination for a period of three years in the event that his employment is terminated without cause by us or for good reason by Mr. Mastandrea. Effective September 29, 2006, in lieu of an annual salary of $100,000 and to conserve cash, Mr. Mastandrea agreed to receive 44,444 Class C Preferred Shares for his services as an officer of Pillarstone through September 29, 2008. The shares were fully amortized by the original date in 2008.

Mr. Dee’s employment agreement was also modified on April 3, 2006 in a similar way to Mr. Mastandrea’s employment agreement as explained above, except Mr. Dee does not receive any Class C Preferred Shares for his services as an officer of Pillarstone. Mr. Dee’s base annual salary may be adjusted from time to time, except that the adjustment may not be lower than the preceding year’s base salary. The employment agreement provides that Mr. Dee will be entitled to base salary and bonus at the rate in effect before any termination for a period of three years in the event that his employment is terminated without cause by us or for good reason by Mr. Dee. On September 29, 2006, the board of trustees approved compensation to Mr. Dee of $125 per hour, up to a maximum of $5,000 per month. However, Mr. Dee has forgone receiving any cash compensation under this arrangement in order to preserve the Company’s cash.

In February 2017, the Company leased office space from Whitestone in Houston, Texas to support the day-to-day operations of Pillarstone OP. For the year ended December 31, 2017, we expensed $12,634 in rent expense. A summary of the minimum future rents payable under our lease as of December 31, 2017 is as follows:

Years Ended December 31,	Amount Due
2018	14,178
2019	14,604
2020	7,410
Total	36,192

F-18

PILLARSTONE CAPITAL REIT

Schedule II - Valuation and Qualifying Accounts

December 31, 2017

	Balance at		Charged to			Deductions		Balance at
	Beginning		Costs and			from		End of
Description	of Year		Expense			Reserves		Year
Deferred tax asset allowance:
Year ended December 31, 2017	$	915,000	$	(344,000	)	$	—	$	571,000
Year ended December 31, 2016	1,031,000		(116,000		)	—		915,000
Year ended December 31, 2015	1,004,000		27,000			—		1,031,000

F-19

PILLARSTONE CAPITAL REIT

Schedule III - Real Estate and Accumulated Depreciation

December 31, 2017

					Costs Capitalized Subsequent				Gross Amount at which Carried at
	Initial Cost (in thousands)				to Acquisition (in thousands)				End of Period(in thousands)(1) (2)
			Building and		Improvements		Carrying				Building and
Property Name	Land		Improvements		(net)		Costs		Land		Improvements		Total
Pillarstone OP Properties:
9101 LBJ Freeway	$	1,597	$	6,078	$	1,128	$	—	$	1,597	$	7,206	$	8,803
Corporate Park Northwest	1,534		6,306		2,268		—		1,534		8,574		10,108
Corporate Park West	2,555		10,267		1,615		—		2,555		11,882		14,437
Corporate Park Woodland	652		5,330		830		—		652		6,160		6,812
Corporate Park Woodland II	2,758		—		26		—		2,758		26		2,784
Dairy Ashford	226		1,211		49		—		226		1,260		1,486
Holly Hall Industrial Park	608		2,516		395		—		608		2,911		3,519
Holly Knight	320		1,293		402		—		320		1,695		2,015
Interstate 10 Warehouse	208		3,700		495		—		208		4,195		4,403
Main Park	1,328		2,721		1,113		—		1,328		3,834		5,162
Plaza Park	902		3,294		1,141		—		902		4,435		5,337
Uptown Tower	1,621		15,551		4,794		—		1,621		20,345		21,966
Westbelt Plaza	568		2,165		958		—		568		3,123		3,691
Westgate Service Center	672		2,776		1,175		—		672		3,951		4,623
Total - Pillarstone OP Properties	$	15,549	$	63,208	$	16,389	$	—	$	15,549	$	79,597	$	95,146

F-20

PILLARSTONE CAPITAL REIT

Schedule III - Real Estate and Accumulated Depreciation

December 31, 2017

		Accumulated Depreciation		Date	Depreciation
Property Name	Encumbrances	(in thousands)		Acquired	Life
Pillarstone OP Properties:
9101 LBJ Freeway		$	2,634	12/8/2016	5-39 years
Corporate Park Northwest		3,679		12/8/2016	5-39 years
Corporate Park West	(3)	4,959		12/8/2016	5-39 years
Corporate Park Woodland	(3)	3,331		12/8/2016	5-39 years
Corporate Park Woodland II		5		12/8/2016	5-39 years
Dairy Ashford	(3)	686		12/8/2016	5-39 years
Holly Hall Industrial Park	(3)	1,356		12/8/2016	5-39 years
Holly Knight		1,090		12/8/2016	5-39 years
Interstate 10 Warehouse	(3)	2,852		12/8/2016	5-39 years
Main Park	(3)	1,957		12/8/2016	5-39 years
Plaza Park	(3)	2,352		12/8/2016	5-39 years
Uptown Tower	(4)	7,384		12/8/2016	5-39 years
Westbelt Plaza	(3)	1,981		12/8/2016	5-39 years
Westgate Service Center	(3)	1,714		12/8/2016	5-39 years
Total - Pillarstone OP Properties		$	35,980

⁽¹⁾ Reconciliations of total real estate carrying value for the years ended December 31, 2017 and 2016 follows:

	( in thousands)
	2017			2016
Balance at beginning of period	$	92,338		$	—
Additions during the period:
Acquisitions	2,550			92,338
Improvements	1,265			—
	3,815			92,338
Deductions - cost of real estate sold or retired	(1,007		)	—
Balance at close of period	$	95,146		$	92,338

⁽²⁾  The aggregate cost of real estate (in thousands) for federal income tax purposes is $84,646.

⁽³⁾  These properties secure a $37.0 million mortgage note.

⁽⁴⁾  This property secures a $16.5 million mortgage note.

F-21

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, James C. Mastandrea, certify that:

1. I have reviewed this annual report on Form 10-K of Pillarstone Capital REIT (the “Registrant”);

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 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 subsidiary, 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 that has materially affected, or is reasonably likely to materially effect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer 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 trustees (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 29, 2018

By: /s/ James C. Mastandrea

James C. Mastandrea

Chairman of the Board, Chief Executive

Officer and President

(Chief Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, John J. Dee, certify that:

1. I have reviewed this annual report on Form 10-K of Pillarstone Capital REIT (the “Registrant”);

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 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 subsidiary, 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 that has materially affected, or is reasonably likely to materially effect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer 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 trustees (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 29, 2018

By: /s/ John J. Dee

John J. Dee

Chief Financial Officer and Senior Vice President                                         (Principal Financial Officer)

EX-32.1

Exhibit 32.1

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 filing of the Annual Report of Pillarstone Capital REIT (the “Company”) on Form 10-K for the period ending December 31, 2017 (the “Report”) with the Securities and Exchange Commission, I, James C. Mastandrea, Chairman of the Board, Chief Executive Officer and President and I, John J. Dee, Chief Financial Officer and Senior Vice President, of the Company, certify pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 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 result of operations of the Company.

		PILLARSTONE CAPITAL REIT
		By:	/s/ James C. Mastandrea
Date:	March 29, 2018		James C. Mastandrea Chairman, Chief Executive Officer and President

		PILLARSTONE CAPITAL REIT
		By:	/s/ John J. Dee
Date:	March 29, 2018		John J. Dee Chief Financial Officer and Senior Vice President

EX-99.1

Exhibit 99.1

PILLARSTONE CAPITAL REIT OPERATING PARTNERSHIP LP

AND SUBSIDIARIES

CONSOLIDATED FINANCIAL STATEMENTS

As of December 31, 2017 and 2016

and for the Year Ended December 31, 2017 and the Period from

September 23, 2016 (Inception) to December 31, 2016

with Report of Independent Registered Public Accounting Firm

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
		Page
	Report of Independent Registered Public Accounting Firm	1
	Consolidated Balance Sheets as of December 31, 2017 and 2016	2
	Consolidated Statements of Operations for the Year Ended December 31, 2017 and the Period from September 23, 2016 (Inception) to December 31, 2016	3
	Consolidated Statements of Changes in Partners' Capital (Deficit) for the Year Ended December 31, 2017 and the Period from September 23, 2016 (Inception) to December 31, 2016	4
	Consolidated Statements of Cash Flows for the Year Ended December 31, 2017 and the Period from September 23, 2016 (Inception) to December 31, 2016	5
	Notes to the Consolidated Financial Statements	6

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Partners of

Pillarstone Capital REIT Operating Partnership LP:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of Pillarstone Capital REIT Operating Partnership LP and subsidiaries (the “Partnership”) as of December 31, 2017 and 2016, and the related consolidated statements of operations, changes in partners’ capital (deficit), and cash flows for the year ended December 31, 2017 and the period from September 23, 2016 (Inception) to December 31, 2016, and the related notes (collectively referred to as the “Consolidated Financial Statements”). In our opinion, the Consolidated Financial Statements present fairly, in all material respects, the financial position of the Partnership as of December 31, 2017 and 2016, and the results of its operations and its cash flows for the year ended December 31, 2017 and the period from September 23, 2016 (Inception) to December 31, 2016, in conformity with U.S. generally accepted accounting principles.

Basis for Opinion

These Consolidated Financial Statements are the responsibility of the Partnership’s management. Our responsibility is to express an opinion on the Partnership’s Consolidated 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 Partnership in accordance with the 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 Consolidated Financial Statements are free of material misstatement, whether due to error or fraud. The Partnership is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are required to obtain an understanding of internal control over financial reporting, but not for the purpose of expressing an opinion on the effectiveness of the Partnership’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the Consolidated Financial Statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the Consolidated 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 Consolidated Financial Statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ Pannell Kerr Forster of Texas, P.C.

We have served as the Partnership’s auditor since 2016.

Houston, Texas

March 29, 2018

1

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries
CONSOLIDATED BALANCE SHEETS
(in thousands, except per unit data)
	December 31,
	2017			2016
ASSETS
Real estate assets, at cost
Property	$	95,146		$	92,338
Accumulated depreciation	(35,980		)	(32,533		)
Total real estate assets	59,166			59,805
Cash and cash equivalents	2,812			1,236
Escrows and acquisition deposits	2,188			2,274
Accrued rents and accounts receivable, net of allowance for doubtful accounts	3,624			3,692
Unamortized lease commissions and deferred legal costs, net	1,265			1,150
Prepaid expenses and other assets	65			82
Total assets	$	69,120		$	68,239
LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)
Liabilities:
Notes payable	$	64,313		$	65,474
Accounts payable and accrued expenses	4,499			3,746
Tenants' security deposits	1,191			996
Total liabilities	70,003			70,216
Commitments and contingencies:	—			—
Partners' capital (deficit):
General partner, 3,096,403 units issued and outstanding as of December 31, 2017 and 2016	(86		)	15
Limited partner, 13,591,764 units issued and outstanding as of December 31, 2017 and 2016	(797		)	(1,992		)
Total partners' capital (deficit)	(883		)	(1,977		)
Total liabilities and partners' capital (deficit)	$	69,120		$	68,239

See the accompanying notes to the consolidated financial statements.

2

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per unit data)

	Year Ended December 31, 2017			For the Period September 23, 2016 (Inception) to December 31, 2016
Rental revenues	$	13,685		$	938
Other revenues	2,517			154
Total property revenues	16,202			1,092
Property expenses
Property operation and maintenance	5,029			397
Real estate taxes	2,672			174
Total property expenses	7,701			571
Other expenses
General and administrative	235			—
Depreciation and amortization	3,940			285
Interest expense	2,706			156
Total other expense	6,881			441
Income before income taxes and loss on disposal of assets	1,620			80
Provision for income taxes	(88		)	—
Loss on sale or disposal of assets	(31		)	—
Net income	$	1,501		$	80
Net income per unit: Basic and Diluted	$	0.09		$	0.00
Weighted average number of units outstanding: Basic and Diluted	16,688			16,688

See the accompanying notes to the consolidated financial statements.

3

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (DEFICIT) (in thousands)
									Total
									Partners'
	General Partner				Limited Partner				Capital
	Units	Amount			Units	Amount			(Deficit)
Balance, September 23, 2016 (Inception)	—	$	—		—	$	—		$	—
Contributions from partners	3,096	4,121			13,592	18,090			22,211
Deemed distributions to partners	—	(4,121		)	—	(20,147		)	(24,268		)
Net income	—	15			—	65			80
Balance, December 31, 2016	3,096	$	15		13,592	$	(1,992	)	$	(1,977	)
Contributions from limited partner	—	—			—	1,635			1,635
Distributions to partners	—	(379		)	—	(1,663		)	(2,042		)
Net income	—	278			—	1,223			1,501
Balance, December 31, 2017	3,096	$	(86	)	13,592	$	(797	)	$	(883	)

See the accompanying notes to the consolidated financial statements.

4

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries CONSOLIDATED STATEMENTS OF CASH FLOWS (in thousands)
	Year Ended December 31, 2017			For the Period September 23, 2016 (Inception) to December 31, 2016
Cash flows from operating activities:
Net income	$	1,501		$	80
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	3,939			285
Amortization of deferred loan costs	97			—
Loss on sale or disposal of assets	(31		)	—
Bad debt expense	412			127
Changes in operating assets and liabilities:
Escrows and acquisition deposits	86			—
Accrued rent and accounts receivable	(344		)	(2,153		)
Unamortized lease commissions and deferred legal costs	(565		)	(8		)
Prepaid expenses and other assets	98			—
Accounts payable and accrued expenses	753			1,431
Tenants' security deposits	195			61
Net cash provided by (used in) operating activities	6,141			(177		)
Cash flows from investing activities:
Additions to real estate	(1,265		)	—
Net cash used in investing activities	(1,265		)	—
Cash flows from financing activities:
Distributions paid to General Partner	(379		)	—
Distributions paid to Limited Partner	(1,663		)	—
Proceeds from issuance of OP units, net of offering costs	—			1,413
Repayments of notes payable	(1,258		)	—
Net cash provided by (used in) financing activities	(3,300		)	1,413
Net increase in cash and cash equivalents	1,576			1,236
Cash and cash equivalents at beginning of period	1,236			—
Cash and cash equivalents at end of period	$	2,812		$	1,236
Supplemental disclosure of cash flow information:
Cash paid for interest	$	2,611		$	—
Non cash investing and financing activities:
Note payable assumed with acquisitions of real estate	$	—		$	65,937
Value of OP units exchanged for real estate	$	—		$	16,677
OP units issued to general partner	$	—		$	4,121
Deemed distributions to partners	$	—		$	(24,268	)
Additions to real estate contributed by limited partner	$	1,635		$	—
Disposal of fully depreciated real estate	$	847		$	—

See the accompanying notes to the consolidated financial statements.

5

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

1.  DESCRIPTION OF BUSINESS AND NATURE OF OPERATIONS

Pillarstone Capital REIT Operating Partnership LP, a Delaware limited partnership, together with its subsidiaries, (collectively, the “Partnership,” “Pillarstone OP,” “we,” “our,” or “us”), was formed on September 23, 2016 to conduct substantially all of the operations for its sole general partner, Pillarstone Capital REIT (“Pillarstone” or the “General Partner”). Pillarstone is a Maryland Real Estate Investment Trust (“REIT”) engaged in investing in, owning and operating commercial properties. Future real estate investments may include (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel, and other commercial properties, (ii) acquisition of or merger with a real estate investment trust or real estate operating company and (iii) joint venture investments. Excess funds can be invested in cash equivalents depending on market conditions. As of December 31, 2017 and 2016, we owned 14 commercial properties in and around Dallas-Fort Worth and Houston.

2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Consolidation.  The accompanying consolidated financial statements include the accounts of the Partnership and its subsidiaries. All net income or loss is allocated between the General Partner and limited partner based on the weighted-average percentage ownership of the Partnership during the year. Issuances of additional limited partnership interest in the Partnership (“OP units”) changes the basis of ownership interests of both the General Partner and limited partner.

Basis of Accounting.  Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.

Use of Estimates.   The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Significant estimates that we use include the estimated fair values of properties acquired, the estimated useful lives for depreciable and amortizable assets and costs, the estimated allowance for doubtful accounts and the estimates supporting our impairment analysis for the carrying values of our real estate assets.  Actual results could differ from those estimates.

Revenue Recognition.  All leases on our properties are classified as operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases.  Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable.  Percentage rents are recognized as rental income when the thresholds upon which they are based have been met.  Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred.  We have established an allowance for doubtful accounts against the portion of tenant accounts receivable which is estimated to be uncollectible.

Cash and Cash Equivalents.  We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.  Cash and cash equivalents as of December 31, 2017 and 2016 consisted of demand deposits at commercial banks and brokerage accounts.

Real Estate

Acquired Properties and Acquired Lease Intangibles.  For acquired properties under common control, the carrying value at the time of purchase of the acquired properties' land, building and improvements, identifiable intangible assets and the acquired liabilities were transferred to the Partnership.

Depreciation.  Depreciation is computed using the straight-line method over the estimated useful lives of 5 to 39 years for improvements and buildings, respectively.  Tenant improvements are depreciated using the straight-line method over the life of the improvement or remaining term of the lease, whichever is shorter.

6

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

Impairment.  We review our properties for impairment at least annually or whenever events or changes in circumstances indicate that the carrying amount of the assets, including accrued rental income, may not be recoverable through operations.  We determine whether an impairment in value has occurred by comparing the estimated future cash flows (undiscounted and without interest charges), including the estimated residual value of the property, with the carrying cost of the property.  If impairment is indicated, a loss will be recorded for the amount by which the carrying value of the property exceeds its fair value.  Management has determined that there has been no impairment in the carrying value of our real estate assets as of December 31, 2017.

Accrued Rents and Accounts Receivable.  Included in accrued rent and accounts receivable are base rents, tenant reimbursements and receivables attributable to recording rents on a straight-line basis. An allowance for the uncollectible portion of accrued rents and accounts receivable is determined based upon customer credit-worthiness (including expected recovery of our claim with respect to any tenants in bankruptcy), historical bad debt levels, and current economic trends. For the year ended December 31, 2017 and 2016, we had an allowance for uncollectible accounts of $0.5 million and $0.1 million, respectively. As of December 31, 2017 and for the period from September 23, 2016 (Inception) to December 31, 2016, we recorded bad debt expense in the amount of $0.4 million and $0.1 million, respectively, related to tenant receivables that we specifically identified as potentially uncollectible based on our assessment of each tenant’s credit-worthiness.  Bad debt expenses and any related recoveries are included in property operation and maintenance expense.

Unamortized Lease Commissions and Loan Costs.  Leasing commissions are amortized using the straight-line method over the terms of the related lease agreements.  Loan costs are amortized on the straight-line method over the terms of the loans, which approximates the interest method.  Costs allocated to in-place leases whose terms differ from market terms related to acquired properties are amortized over the remaining life of the respective leases.

Prepaids and Other Assets.  Prepaids and other assets include escrows established pursuant to certain mortgage financing arrangements for real estate taxes and insurance.

State Taxes.  We are subject to the Texas Margin Tax, which is computed by applying the applicable tax rate (1% for us) to the profit margin, which, generally, will be determined for us as total revenue less a 30% standard deduction.  Although the Texas Margin Tax is not considered an income tax, FASB ASC 740, “Income Taxes” (“ASC 740”)applies to the Texas Margin Tax.  As of December 31, 2017, we recorded a margin tax provision of $87,000. As of December 31, 2016, we had not recorded a margin tax provision.

Fair Value of Financial Instruments.  Our financial instruments consist primarily of cash, cash equivalents, accounts receivable and accounts and notes payable.  The carrying value of cash, cash equivalents, accounts receivable and accounts payable are representative of their respective fair values due to their short-term nature.  The fair value of our long-term debt, consisting of fixed rate secured notes and a variable rate related party note aggregate to approximately $65.1 million and $65.1 million as compared to the book value of approximately $64.7 million and $65.9 million as of December 31, 2017 and 2016, respectively. The fair value of our long-term debt is estimated on a Level 2 basis (as provided by ASC 820, “Fair Value Measurements and Disclosures” (“ASC 820”)), using a discounted cash flow analysis based on the borrowing rates currently available to us for loans with similar terms and maturities, discounting the future contractual interest and principal payments.

Disclosure about fair value of financial instruments is based on pertinent information available to management as of December 31, 2017 and 2016. Although management is not aware of any factors that would significantly affect the fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since December 31, 2017 and current estimates of fair value may differ significantly from the amounts presented herein.

Concentration of Risk.  Substantially all of our revenues are obtained from office, warehouse and retail locations in the Dallas-Fort Worth and Houston metropolitan areas. We maintain cash accounts in major U.S. financial institutions. The terms of these deposits are on demand to minimize risk. The balances of these accounts sometimes exceed the federally insured limits, although no losses have been incurred in connection with these deposits.

7

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

Recent accounting pronouncements. In May 2014, the FASB issued guidance, as amended in subsequent updates, establishing a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most of the existing revenue recognition guidance. The standard also requires an entity to recognize revenue to depict the transfer of promised 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 and also requires certain additional disclosures. This guidance became effective for the reporting periods beginning on or after December 15, 2017, and interim periods within those fiscal years. We have adopted this guidance on a modified retrospective basis beginning January 1, 2018 and do not expect this standard to have a material impact on our consolidated financial statements.

In February 2016, the FASB issued guidance requiring lessees to recognize a lease liability and a right-of-use asset for all leases. Lessor accounting will remain largely unchanged with the exception of changes related to costs which qualify as initial direct costs. The guidance will also require new qualitative and quantitative disclosures to help financial statement users better understand the timing, amount and uncertainty of cash flows arising from leases. This guidance will be effective for reporting periods on or after December 15, 2018, with early adoption permitted. We will adopt this guidance on a modified retrospective basis beginning January 1, 2019, and such adoption will result in certain costs (primarily legal costs related to lease negotiations) being expensed rather than capitalized. We capitalized $47,000 in legal related costs for the year ended December 31, 2017.

In November 2016, the FASB issued guidance requiring that the statement of cash flows explain the change during the period in the total cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. This guidance became effective for the reporting periods beginning on or after December 15, 2017, and interim periods within those fiscal years. We have adopted this guidance effective January 1, 2018, and we will reconcile cash and cash equivalents and restricted cash and restricted cash equivalents on a retrospective basis, whereas under the previous guidance, we reported restricted cash and restricted cash equivalents under cash flows from financing activities.

In January 2017, the FASB issued guidance clarifying the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or dispositions) of assets or businesses. This guidance became effective for the reporting periods beginning on or after December 15, 2017, and interim periods within those fiscal years. We have adopted this guidance on a prospective basis beginning January 1, 2018 and believe the majority of our future acquisitions will qualify as asset acquisitions and the associated transaction costs will be capitalized as opposed to expensed under previous guidance.

In February 2017, the FASB issued guidance clarifying the scope of asset derecognition guidance, adds guidance for partial sales of nonfinancial assets and clarifies recognizing gains and losses from the transfer of nonfinancial assets in contracts with noncustomers. This guidance became effective for the reporting periods beginning on or after December 15, 2017, and interim periods within those fiscal years. We have adopted this guidance on a modified retrospective basis beginning January 1, 2018 and do not expect the adoption of this guidance to have a material impact on our consolidated financial statements.

3.  REAL ESTATE

As of December 31, 2017, we owned 14 commercial properties in the Dallas-Fort Worth and Houston areas comprised of approximately 1.5 million square feet of gross leasable area.

8

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

Property Acquisitions. On December 8, 2016, Pillarstone and the Partnership entered into a Contribution Agreement (the “Contribution Agreement”) with Whitestone REIT Operating Partnership, L.P. (“Whitestone OP”), a subsidiary and the operating partnership of Whitestone REIT (“Whitestone”), pursuant to which Whitestone OP contributed to the Partnership all of the equity interests in four of its wholly-owned subsidiaries: Whitestone CP Woodland Ph. 2, LLC, a Delaware limited liability company (“CP Woodland”); Whitestone Industrial-Office, LLC, a Texas limited liability company (“Industrial-Office”); Whitestone Offices, LLC, a Texas limited liability company (“Whitestone Offices”); and Whitestone Uptown Tower, LLC, a Delaware limited liability company (“Uptown Tower”, and together with CP Woodland, Industrial-Office and Whitestone Offices, the “Entities”) that own fourteen (14) real estate assets (the “Real Estate Assets” and, together with the Entities, the “Property”) for aggregate consideration of approximately $84 million, consisting of (1) approximately $18.1 million of Class A OP units, issued at a price of $1.331 per OP Unit; and (2) the assumption of approximately $65.9 million of liabilities by the Partnership, consisting of (a) approximately $15.5 million of Whitestone OP’s liability under that certain Amended and Restated Credit Agreement, dated as of November 7, 2014, as amended, among the Bank of Montreal, as Administrative Agent (the “Agent”), the lenders party thereto, BMO Capital Markets, Wells Fargo Securities, LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, and U.S. Bank, National Association, Whitestone OP, as borrower, and Whitestone and certain subsidiaries of Whitestone OP, as guarantors (as amended, the “Whitestone Credit Facility”); (b) an approximately $16.3 million promissory note (the “Whitestone Uptown Tower Promissory Note”) of Uptown Tower issued under that certain Loan Agreement, dated as of September 26, 2013, (as amended, the “Whitestone Uptown Tower Loan Agreement” and, together with the Whitestone Uptown Tower Promissory Note, the “Whitestone Uptown Tower Loan Documents”) between Uptown Tower, as borrower, and U.S. Bank National Association, as successor to Morgan Stanley Mortgage Capital Holdings LLC, as lender, and (c) an approximately $34.1 million promissory note (the “Whitestone Industrial-Office Promissory Note”) of Industrial-Office issued under that certain Loan Agreement, dated as of November 26, 2013 (the “Whitestone Industrial-Office Loan Agreement” and, together with the Whitestone Industrial-Office Promissory Note, the “Whitestone Industrial-Office Loan Documents”), between Industrial-Office, as borrower, and Jackson National Life Insurance Company, as lender (collectively, the “Acquisition”).

In connection with the Acquisition, on December 8, 2016, the Partnership and Pillarstone entered into an OP Unit Purchase Agreement (the “OP Unit Purchase Agreement”) with Whitestone OP pursuant to which the Partnership may require Whitestone OP to purchase up to an aggregate of $3.0 million of OP Units at a price of $1.331 per OP Unit over the two-year term of the OP Unit Purchase Agreement on the terms set forth therein. The OP Unit Purchase Agreement contains customary closing conditions and the parties have made certain customary representations, warranties and indemnifications to each other in the OP Unit Purchase Agreement. In addition, pursuant to the OP Unit Purchase Agreement, in the event of a Change of Control (as defined therein) of Whitestone, the Partnership shall have the right, but not the obligation, to repurchase the OP Units issued thereunder from Whitestone OP at their initial issue price of $1.331 per OP Unit.

In connection with the Acquisition, (1) with respect to each Real Estate Asset (other than the Real Property Asset owned by Uptown Tower), Whitestone TRS, Inc. (“Whitestone TRS”), a subsidiary of Whitestone, entered into a Management Agreement with the Entity that owns such Real Estate Asset and (2) with respect to Uptown Tower, Whitestone TRS entered into a Management Agreement with the Partnership (collectively, the “Management Agreements”). Pursuant to the Management Agreements with respect to each Real Estate Asset (other than Uptown Tower), Whitestone TRS agreed to provide certain property management, leasing and day-to-day advisory and administrative services to such Real Estate Asset in exchange for (x) a monthly property management fee equal to 5.0% of the monthly revenues of such Real Estate Asset and (y) a monthly asset management fee equal to 0.125% of GAV (as defined in each Management Agreement as, generally, the purchase price of the respective Real Estate Asset based upon the purchase price allocations determined pursuant to the Contribution Agreement, excluding all indebtedness, liabilities or claims of any nature) of such Real Estate Asset. Pursuant to the Management Agreement with respect to Uptown Tower, Whitestone TRS agreed to provide certain property management, leasing and day-to-day advisory and administrative services to the Partnership in exchange for (x) a monthly property management fee equal to 3.0% of the monthly revenues of Uptown Tower and (y) a monthly asset management fee equal to 0.125% of GAV of Uptown Tower.

9

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

4.  ACCRUED RENTS AND ACCOUNTS RECEIVABLE, NET

Accrued rents and accounts receivable, net, consists of amounts accrued, billed and due from tenants, allowance for doubtful accounts and other receivables as follows (in thousands):

	December 31,
	2017			2016
Tenant receivables	$	680		$	294
Receivables due from partners	1,576			1,695
Accrued rents and other recoveries	1,907			1,828
Allowance for doubtful accounts	(539		)	(125		)
Totals	$	3,624		$	3,692

5.  UNAMORTIZED LEASE COMMISSIONS AND DEFERRED LEGAL COST, NET

Costs which have been deferred consist of the following (in thousands):

	December 31,
	2017			2016
Leasing commissions	$	2,936		$	2,507
Deferred legal cost	47			—
Total cost	2,983			2,507
Less: leasing commissions accumulated amortization	(1,709		)	(1,357		)
Less: deferred legal cost accumulated amortization	(9		)	—
Total cost, net of accumulated amortization	$	1,265		$	1,150

     A summary of expected future amortization of deferred costs is as follows (in thousands):

Years Ended December 31,	Leasing Commissions		Deferred Legal Costs		Total
2018	$	380	$	11	$	391
2019	272		9		281
2020	222		7		229
2021	155		5		160
2022	100		4		104
Thereafter	98		2		100
Total	$	1,227	$	38	$	1,265

10

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

6.  FUTURE MINIMUM LEASE INCOME

We lease the majority of our properties under noncancelable operating leases, which provide for minimum base rents plus, in some instances, contingent rents based upon a percentage of the tenants’ gross receipts. A summary of minimum future rents to be received (exclusive of renewals, tenant reimbursements, and contingent rents) under noncancelable operating leases in existence as of December 31, 2017 is as follows (in thousands): 

Years Ended December 31,	Minimum Future Rents
2018	$	11,532
2019	8,568
2020	6,839
2021	4,429
2022	2,584
Thereafter	13,160
Total	$	47,112

7.  DEBT

Mortgages and other notes payable consist of the following (in thousands):

	December 31,
Description	2017			2016
Fixed rate notes
$37.0 million 3.76% Note, due December 1, 2020	$	33,148		$	34,166
$16.5 million 4.97% Note, due September 26, 2023	16,058			16,298
Floating rate notes
Related party Note, LIBOR plus 1.40% to 1.95%, due December 8, 2018	15,473			15,473
Total notes payable principal	64,679			65,937
Less deferred financing costs, net of accumulated amortization	(366		)	(463		)
	$	64,313		$	65,474

Our mortgage debt was collateralized by 10 operating properties as of December 31, 2017 and 2016 with a combined net book value of $42.9 million and $42.3 million, respectively.  Our loans contain restrictions that would require the payment of prepayment penalties for the acceleration of outstanding debt and are secured by deeds of trust on certain of our properties and the assignment of certain rents and leases associated with those properties. 

Certain other of our loans are subject to customary covenants.  As of December 31, 2017, we were in compliance with all loan covenants. Annual maturities of notes payable as of December 31, 2017 are due during the following years:

	Amount Due
Year	(in thousands)
2018	$	16,817
2019	1,376
2020	31,286
2021	308
2022	323
Thereafter	14,569
Total	$	64,679

11

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

8.  EARNINGS PER UNIT

Basic earnings per unit for the Partnership's unit holders is calculated by dividing net income by the Partnership's weighted-average units outstanding during the period.  Diluted earnings per unit for the Partnership's unit holders is calculated by dividing net income by the Partnership's weighted-average units outstanding during the period including any dilutive unvested restricted units.

(in thousands, except per unit data)	Year Ended December 31, 2017		For the Period September 23, 2016 (Inception) to December 31, 2016
Numerator:
Net income	$	1,501	$	80
Denominator:
Weighted average number of units - basic and dilutive	16,688		16,688
Earnings Per Unit:
Basic and Diluted:
Net income per unit	$	0.09	$	0.00

9. PARTNERS' CAPITAL

Operating Partnership Units

The Partnership conducts substantially all of Pillarstone's business. Pillarstone is the sole general partner of the Partnership and as of December 31, 2017 and 2016, owned an 18.6% interest in the Partnership.

At any time on or after six months following the date of the initial issuance thereof, limited partners in the Partnership holding OP units have the right to convert their OP units for cash, or at the option of the general partner, common shares of Pillarstone. As of December 31, 2017 and 2016, there were 16,688,167 OP units outstanding.

Distributions

The following table reflects the total distributions we have paid in each indicated quarter (in thousands):

	General		Limited
	Partner		Partner		Total
Quarter Paid(1)	Amount Paid		Amount Paid		Amount Paid
2017
Fourth Quarter	$	—	$	—	$	—
Third Quarter	112		494		606
Second Quarter	226		989		1,215
First Quarter	41		180		221
Total	$	379	$	1,663	$	2,042

⁽¹⁾    There were no distributions for the period September 23, 2016 (Inception) to December 31, 2016.

12

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

10.  COMMITMENTS AND CONTINGENCIES

We are a participant in various legal proceedings and claims that arise in the ordinary course of our business.  These matters are generally covered by insurance.  While the resolution of these matters cannot be predicted with certainty, we believe that the final outcome of these matters will not have a material effect on our financial position, results of operations, or cash flows.

11.  RELATED PARTY TRANSACTIONS

Transactions with Limited Partner

We lease space to Whitestone OP at five of our commercial properties. We also pay interest to Whitestone OP related to our obligation under the Whitestone Credit Facility. The following table represents the amounts incurred for the year ended December 31, 2017 and for the period September 23, 2016 (Inception) to December 31, 2016:

(in thousands)	Year Ended December 31, 2017		For the Period September 23, 2016 (Inception) to December 31, 2016
Revenue
Rental revenue	$	782	$	58
Interest Expense
Related party Note	528		26

Property and Asset Management Fees

Pursuant to the terms of the Management Agreements described in Note 3, summarized below are the property management and asset management fees incurred by Pillarstone OP to Whitestone TRS for the year ended December 31, 2017 and for the period September 23, 2016 (Inception) to December 31, 2016:

(in thousands)	Year Ended December 31, 2017		For the Period September 23, 2016 (Inception) to December 31, 2016
Property management fees	$	732	$	57
Asset management fees	264		17

13

Pillarstone Capital REIT Operating Partnership LP and Subsidiaries

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2017

Due to/from partners

Pursuant to the terms of the Management Agreement and Contribution Agreement, summarized below are the related party amounts receivable or payable as of December 31, 2017 and December 31, 2016:

	December 31,
(in thousands)	2017		2016
Receivables due from related parties
Tenant receipts received by Whitestone OP	$	892	$	1,180
Reimbursement of general and administrative expenses (1)	316		316
Reimbursement of operating expenses (2)	368		199
Total receivables due from related parties	$	1,576	$	1,695
Payables due to related parties
Property management fees	$	61	$	57
Asset management fees	23		17
Related party Note interest	44		26
Reimbursement of operating expenses (2)	877		165
Total payables due from related parties	$	1,005	$	265
Related party Note, LIBOR plus 1.40% to 1.95%, due December 8, 2018	$	15,473	$	15,473

⁽¹⁾  Reimbursement of general and administrative expenses primarily related to legal fees paid by Pillarstone OP on Pillarstone Capital REIT's behalf.

⁽²⁾  Reimbursement of operating expenses primarily related to insurance, leasing commissions, utilities and legal fees either paid by Pillarstone OP on Whitestone OP's behalf or paid by Whitestone OP on Pillarstone OP's behalf.

12.  SUBSEQUENT EVENTS

We have evaluated subsequent events through March 29, 2018, the date the financial statements were available to be issued, and are not aware of any events that have occurred that would require additional adjustments to or disclosures in the Consolidated Financial Statements.

14

XML

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2017	Mar. 23, 2018	Jun. 30, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	PILLARSTONE CAPITAL REIT
Entity Central Index Key	0000928953
Document Type	10-K
Document Period End Date	Dec. 31, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2017
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$ 628,383
Entity Common Stock, Shares Outstanding		405,169

XML

Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 179,385	$ 7,445
Marketable securities	100	100
Equity investment in Pillarstone Capital REIT Operating Partnership LP	0	14,776
Other assets	9,679	14,499
Fixed assets	3,398	0
Total assets	192,562	36,820
Liabilities:
Accounts payable and accrued expenses	92,105	27,541
Accounts payable - related party	316,103	316,103
Convertible notes payable - related parties	197,780	197,780
Accrued interest payable - related parties	41,832	22,108
Negative equity investment in Pillarstone Capital REIT Operating Partnership LP	88,880	0
Total liabilities	736,700	563,532
Commitments and contingencies	0	0
Shareholders' Equity (Deficit):
Common stock	4,052	4,052
Additional paid-in capital	28,146,986	28,146,986
Accumulated deficit	(27,899,452)	(27,882,026)
Treasury shares, at cost, 38,130 shares	(800,735)	(800,735)
Total Pillarstone Capital REIT shareholders' deficit	(544,138)	(526,712)
Total liabilities and equity (deficit)	192,562	36,820
Redeemable Convertible Series A Preferred Stock [Member]
Shareholders' Equity (Deficit):
Preferred stock	2,567	2,567
Total Pillarstone Capital REIT shareholders' deficit	2,567	2,567
Redeemable Convertible Series C Preferred Stock [Member]
Shareholders' Equity (Deficit):
Preferred stock	2,444	2,444
Total Pillarstone Capital REIT shareholders' deficit	$ 2,444	$ 2,444

XML

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2017	Dec. 31, 2016
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	50,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	400,000,000	400,000,000
Common stock, issued (in shares)	443,299	443,299
Common stock, outstanding (in shares)	405,169	405,169
Treasury stock (in shares)	38,130	38,130
Redeemable Convertible Series A Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	1,518,000	1,518,000
Preferred stock, issued (in shares)	256,636	256,636
Preferred stock, outstanding (in shares)	256,636	256,636
Preferred stock, liquidation preference (in dollars per share)	$ 10.00	$ 10.00
Redeemable Convertible Series C Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	300,000	300,000
Preferred stock, issued (in shares)	244,444	244,444
Preferred stock, outstanding (in shares)	244,444	244,444
Preferred stock, liquidation preference (in dollars per share)	$ 10.00	$ 10.00

XML

Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Revenues
Interest and dividend income	$ 0	$ 0
Total revenues	0	0
Expenses
General and administrative	273,015	491,925
Interest	19,724	19,832
Total expenses	292,739	511,757
Loss from operations	(292,739)	(511,757)
Equity in income of Pillarstone Capital REIT Operating Partnership LP	275,313	14,776
Net loss attributable to common shareholders	$ (17,426)	$ (496,981)
Net loss attributable to common shareholders per common share: Basic and Diluted (in dollars per share)	$ (0.04)	$ (1.23)
Weighted average number of common shares outstanding: Basic and Diluted (in shares)	405,169	405,169

XML

Consolidated Statements of Changes In Equity (Deficit) - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Cost of Shares held In Treasury [Member]	Redeemable Convertible Series A Preferred Stock [Member]	Redeemable Convertible Series C Preferred Stock [Member]
Balance at Dec. 31, 2015	$ (29,731)	$ 4,051	$ 28,146,971	$ (27,385,045)	$ (800,735)	$ 2,583	$ 2,444
Conversion of Class A Preferred Shares to Common Shares	0	1	15			(16)
Net loss	(496,981)			(496,981)
Balance at Dec. 31, 2016	(526,712)	4,052	28,146,986	(27,882,026)	(800,735)	2,567	2,444
Net loss	(17,426)			(17,426)
Balance at Dec. 31, 2017	$ (544,138)	$ 4,052	$ 28,146,986	$ (27,899,452)	$ (800,735)	$ 2,567	$ 2,444

XML

Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net loss	$ (17,426)	$ (496,981)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Equity in income of Pillarstone Capital REIT Operating Partnership LP	(275,313)	(14,776)
Distributions received from Pillarstone Capital REIT Operating Partnership LP	290,089	0
Changes in operating assets and liabilities:
Other assets	4,820	(4,547)
Accounts payable and accrued expenses	84,288	33,363
Accounts payable - related party	0	316,103
Net cash provided by (used in) operations	86,458	(166,838)
Cash flows from investing activities:
Excess distributions received from Pillarstone Capital REIT Operating Partnership LP	88,880	0
Purchases of fixed assets	(3,398)	0
Net cash provided by investing activities	85,482	0
Cash flows from financing activities:
Net cash provided by financing activities	0	0
Net increase (decrease) in cash and cash equivalents	171,940	(166,838)
Cash and cash equivalents at beginning of year	7,445	174,283
Cash and cash equivalents at end of year	179,385	7,445
Non cash investing and financing activities:
Conversion of Preferred A Shares to common shares	0	16
Investment in Pillarstone Capital REIT Operating Partnership LP	0	4,121,312
Distribution in kind from Pillarstone Capital REIT Operating Partnership LP	$ 0	$ (4,121,312)

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Organization

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

ORGANIZATION

Pillarstone Capital REIT (the “Company,” “Pillarstone,” “we,” “our,” or “us”) is a Maryland real estate investment trust (“REIT”) engaged in investing in, owning and operating commercial properties. In 2016, the shareholders of Pillarstone approved changing the Company's name from Paragon Real Estate Equity and Investment Trust to Pillarstone Capital REIT. Future real estate investments may include (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel, and other commercial properties, (ii) acquisition of or merger with a real estate investment trust (“REIT”) or real estate operating company and (iii) joint venture investments. We serve as the general partner of Pillarstone Capital REIT Operating Partnership LP (“Pillarstone OP”), which was formed on September 23, 2016 as a Delaware limited partnership. We are the sole general partner of Pillarstone OP and we conduct substantially all operations and activities through Pillarstone OP. As of December 31, 2017, we owned 18.6% of the outstanding equity in Pillarstone OP.

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Basis of Presentation

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Basis of Presentation

BASIS OF PRESENTATION

Basis of consolidation. We have prepared the consolidated financial statements pursuant to the rules and regulations of the SEC. In our opinion, all adjustments (consisting solely of normal recurring items) necessary for a fair presentation of our financial position as of December 31, 2017 and 2016, the results of our operations for the years ended December 31, 2017 and 2016, and of our cash flows for the years ended December 31, 2017 and 2016 have been included.

The Company presents its financial statements on a consolidated basis because it combines its accounts with a wholly-owned subsidiary that discontinued operations in 2002. All significant inter-company balances are eliminated in the consolidated financial statements. The Company's consolidated financial statements include equity in income of Pillarstone OP based on the Company's percentage of ownership in Pillarstone OP, an investment for which the Company accounts using the equity method.

Going concern. The financial statements have been prepared assuming the Company will continue as a going concern, which contemplates continued operations as a public company and paying liabilities in the normal course of business. The Company, through Pillarstone OP, acquired an equity investment in 14 real estate assets in December 2016 and its distributions of cash from Pillarstone OP are expected to be sufficient for the Company to continue as a going concern.

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Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Accounting.  Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.

Use of estimates. In order to conform with generally accepted accounting principles in the United States (“GAAP”), management, in preparation of our consolidated financial statements, is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of December 31, 2017 and December 31, 2016, and the reported amounts of revenues and expenses for the years ended December 31, 2017 and 2016. Actual results could differ from those estimates. Significant estimates include deferred taxes and the related valuation allowance for deferred taxes, and these significant estimates, as well as other estimates and assumptions, may change in the near term.

Cash and cash equivalents. We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.  Cash and cash equivalents as of December 31, 2017 and 2016 consisted of demand deposits at commercial banks and brokerage accounts. We maintain our cash in bank accounts that are federally insured.

Marketable Securities. We classify our existing marketable equity securities as available-for-sale in accordance with the Financial Accounting Standards Board's (“FASB”) Investments-Debt and Equity Securities guidance. These securities are carried at fair value with unrealized gains and losses reported in equity as a component of accumulated other comprehensive income or loss. The fair value of the marketable securities is determined using Level 1 inputs under FASB Accounting Standards Codification (“ASC”) 820, “Fair Value Measurements and Disclosures.” Level 1 inputs represent quoted prices available in an active market for identical investments as of the reporting date. Gains and losses on securities sold are based on the specific identification method, and are reported as a component of interest, dividend and other investment income.

Equity method investment. The Company accounts for its investment in Pillarstone OP in accordance with ASC 323, “Investments - Equity Method and Joint Ventures,” which addresses the accounting for investments in entities over which the investor is deemed to exercise significant influence. The Company serves as the general partner of Pillarstone OP, with a 18.6% equity ownership interest and is a party to the Amended and Restated Agreement of Limited Partnership of Pillarstone OP, as described in Note 5 herein, which gives the general partner, subject to certain protective rights of the limited partners as described in Note 5, the responsibility and discretion for the management of Pillarstone OP, including the ability to cause Pillarstone OP to enter into certain major transactions including a merger of Pillarstone OP or a sale of substantially all of the assets of Pillarstone OP. As such, the Company is deemed to exercise significant influence but not complete control over Pillarstone OP. Additionally, we determined that we are not the primary beneficiary and thus the investment in Pillarstone OP qualifies for usage of the equity method of accounting.

Investments in equipment. Our investments in equipment assets are reported at cost. Depreciation expense is computed using the straight-line method based on the following useful lives:

Furniture, fixtures and equipment        3-7 years

There was no depreciation expense for the years ended December 31, 2017 and December 31, 2016.

Other assets. As of December 31, 2017, other assets totaled $9,679 for director and officer liability insurance. As of December 31, 2016, other assets of $14,499 are prepaid expenses for director and officer liability insurance of $9,202 and $5,297 of prepaid SEC filing charges.

Revenue recognition. Revenues are interest earned on cash balances and equity in earnings of an investee, and are recognized during the period in which they are earned.

Stock-based compensation. The Company accounts for stock-based compensation in accordance with ASC 718, “Compensation - Stock Compensation,” which addresses the accounting for stock-based payment transactions in which an enterprise receives employee services in exchange for (a) equity instruments of the enterprise or (b) liabilities that are based on the fair value of the enterprise’s equity instruments or that may be settled by the issuance of such equity instruments. ASC 718 generally requires that these transactions be accounted for using a fair-value-based method. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards.

Income taxes. Because we have not elected to be taxed as a REIT for federal income tax purposes, we account for income taxes using the liability method under which deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities using enacted tax rates in effect for the period in which the differences are expected to affect taxable income. Valuation allowances are established when necessary to reduce deferred tax assets to the amount expected to be realized.

The Company evaluates potential uncertain tax positions on an annual basis in conjunction with the board of trustees and its tax accountants. Authoritative literature provides a two-step approach to recognize and measure tax benefits when realization of the benefits is uncertain. The first step is to determine whether the benefit meets the more-likely-than-not condition for recognition and the second step is to determine the amount to be recognized based on the cumulative probability that exceeds 50%. The Company has no uncertain tax positions that required adjustments to our consolidated financial statements in 2017 or 2016.

At December 31, 2017, we have net operating loss carryforwards totaling $2,510,000. While these losses created a deferred tax asset, a valuation allowance was applied against the asset because of the uncertainty of whether we will be able to use these loss carryforwards, which will expire in varying amounts through the year 2038. Pursuant to regulations set forth in the Internal Revenue Code of 1986 as amended (the “Code”), Pillarstone will be limited to using $651,600 of the prior net operating losses of $11,246,000. These same regulations also limit the amount of loss used in any one year.

We are also subject to certain state and local income, excise and franchise taxes. The provision for state and local taxes has been reflected in general and administrative expense in the consolidated statements of operations and has not been separately stated due to its insignificance.    

Fair value of financial instruments. We adopted ASC 820, “Fair Value Measurements and Disclosures,” as it applies to our financial instruments, and ASC 825, “Financial Instruments.” ASC 820 defines fair value, outlines a framework for measuring fair value, and details the required disclosures about fair value measurements. ASC 825 permits companies to irrevocably choose to measure certain financial instruments and other items at fair value. ASC 825 also establishes presentation and disclosure requirements designed to facilitate comparison between entities that choose different measurement attributes for similar types of assets and liabilities.

Under ASC 820, fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in the principal or most advantageous market. ASC 820 establishes a hierarchy in determining the fair value of an asset or liability. The fair value hierarchy has three levels of inputs, both observable and unobservable. ASC 820 requires the utilization of the lowest possible level of input to determine fair value. Level 1 inputs include quoted market prices in an active market for identical assets or liabilities. Level 2 inputs are market data, other than Level 1, that are observable either directly or indirectly. Level 2 inputs include quoted market prices for similar assets or liabilities, quoted market prices in an inactive market, and other observable information that can be corroborated by market data. Level 3 inputs are unobservable and corroborated by little or no market data.

Except for those assets and liabilities which are required by authoritative accounting guidance to be recorded at fair value in our Consolidated Balance Sheets, we have elected not to record any other assets or liabilities at fair value, as permitted by ASC 825. No events occurred during 2017 which would require adjustment to the recognized balances of assets or liabilities which are recorded at fair value on a nonrecurring basis.

The following table provides information on those assets and liabilities measured at fair value on a recurring basis.

	Fair Value Measurement Using
	Level 1		Level 2		Level 3
Marketable Securities
December 31, 2017
Money Market Investment	$	100	$	—	$	—
December 31, 2016
Money Market Investment	$	100	$	—	$	—

The fair value of the marketable securities is based on quoted market prices in an active market.

Recent accounting pronouncements. Management has reviewed recently issued accounting pronouncements and does not expect the implementation of these pronouncements to have a significant effect on the Company's consolidated financial statements.

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Marketable Securities

12 Months Ended

Dec. 31, 2017

Marketable Securities [Abstract]

Marketable Securities

MARKETABLE SECURITIES

We had $100 of investments in marketable securities as of December 31, 2017 and 2016. All of the Company’s investments were in an insured deposit account at a securities brokerage firm. During 2017 and 2016, the Company made no transfers from the account at the securities brokerage firm to the operating account. There was no interest earned on the cash balances during 2017 and 2016.

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Equity Method Investment

12 Months Ended

Dec. 31, 2017

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investment

EQUITY METHOD INVESTMENT

On December 8, 2016, Pillarstone and Pillarstone OP, entered into a Contribution Agreement (the “Contribution Agreement”) with Whitestone REIT Operating Partnership, L.P. (“Whitestone OP”), a subsidiary and the operating partnership of Whitestone REIT (“Whitestone”), both of which are related parties to Pillarstone and Pillarstone OP, pursuant to which Whitestone OP contributed to Pillarstone OP all of the equity interests in four of its wholly-owned subsidiaries: Whitestone CP Woodland Ph. 2, LLC, a Delaware limited liability company (“CP Woodland”); Whitestone Industrial-Office, LLC, a Texas limited liability company (“Industrial-Office”); Whitestone Offices, LLC, a Texas limited liability company (“Whitestone Offices”); and Whitestone Uptown Tower, LLC, a Delaware limited liability company (“Uptown Tower”, and together with CP Woodland, Industrial-Office and Whitestone Offices, the “Entities”) that own fourteen real estate assets (the “Real Estate Assets” and, together with the Entities, the “Property”) for aggregate consideration of approximately $84 million, consisting of (1) approximately $18.1 million of Class A units representing limited partnership interests in Pillarstone OP (“OP Units”), issued at a price of $1.331 per OP Unit; and (2) the assumption of approximately $65.9 million of liabilities by Pillarstone OP. Pursuant to the Contribution Agreement, Pillarstone became the general partner of Pillarstone OP with an equity ownership interest in Pillarstone OP totaling approximately a 18.6% valued at $4,121,312 as of the date of the agreement.

In connection with the Contribution Agreement, on December 8, 2016, the Company, as the general partner of Pillarstone OP, entered into an Amended and Restated Agreement of Limited Partnership of Pillarstone OP (as amended and restated, the “Amended and Restated Agreement of Limited Partnership”). Pursuant to the Amended and Restated Agreement of Limited Partnership, subject to certain protective rights of the limited partners described below, the general partner has responsibility and discretion in the management of Pillarstone OP, including the ability to cause Pillarstone OP to enter into certain major transactions including a merger of Pillarstone OP or a sale of substantially all of the assets of Pillarstone OP. Management agreements are in place delegating the management of the Real Estate Assets to Whitestone OP. The responsibilities delegated include property management, leasing and day-to-day advisory and administrative services. The limited partners have no power to remove the general partner without the general partner's consent. In addition, pursuant to the Amended and Restated Agreement of Limited Partnership, the general partner may not conduct any outside business without the consent of a majority of the limited partners other than in connection with certain actions described therein. As such, the Company is deemed to exercise significant influence but not complete control over Pillarstone OP. Additionally, we determined that we are not the primary beneficiary and thus the investment in Pillarstone OP qualifies for usage of the equity method of accounting.

The Amended and Restated Agreement of Limited Partnership designates two classes of units of limited partnership interest in Pillarstone OP: the OP Units and LTIP units. In general, LTIP units are similar to the OP Units and will receive the same quarterly per-unit profit distributions as the OP Units. The rights, privileges, and obligations related to each series of LTIP units will be established at the time the LTIP units are issued. As profits interests, LTIP units initially will not have full parity, on a per-unit basis, with OP Units with respect to liquidating distributions. Upon the occurrence of specified events, LTIP units can over time achieve full parity with the OP Units and therefore accrete to an economic value for the holder equivalent to OP Units. If such parity is achieved, vested LTIP units may be converted on a one-for-one basis into OP Units, which in turn are redeemable by the holder for cash or, at the Company’s election, exchangeable for Common Shares on a one-for-one basis.

The equity method of accounting requires our investment in Pillarstone OP be shown on our Balance Sheets as a single amount. Pillarstone's investment in Pillarstone OP amounted to an 18.6% ownership interest and carrying values of $(88,880) and $14,776 as of December 31, 2017 and December 31, 2016, respectively. As of December 31, 2017, the $(88,880) carrying value of our equity investment exceeded our equity in the underlying net assets of Pillarstone OP by approximately $78,000 and included equity in earnings of Pillarstone OP of $275,313 for the twelve month periods then ended, offset by distributions totaling $378,969 for the twelve month period ended December 31, 2017. This difference arose due to the $4,121,312 distribution in kind we received during December 2016, and the difference between the carrying value attributed to the assets and liabilities transferred to Pillarstone OP under common control accounting rules and their fair values. We are amortizing the difference over 25 years based on the estimate of the remaining useful lives of the properties acquired. Amortization of the difference is $3,120 for the twelve months December 31, 2017. There was no amortization during 2016. Pillarstone's investment in Pillarstone OP is negative as of December 31, 2017 due to the reductions in the balance from distributions received from Pillarstone OP and amortization offset by increases in the balance from equity in earnings from Pillarstone OP.

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Convertible Notes Payable - Related Parties

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Convertible Notes Payable - Related Parties

CONVERTIBLE NOTES PAYABLE - RELATED PARTIES

On November 20, 2015, five trustees on our board of trustees loaned $197,780 to the Company in exchange for convertible notes payable. The convertible notes payable accrue interest at 10% per annum and mature on November 20, 2018. The convertible notes payable can be converted by the noteholder into Common Shares at the rate of $1.331 per Common Share at any time. After six months, the Company can convert the notes payable into Common Shares. At maturity or when the Company chooses to convert the convertible notes payable into Common Shares, the noteholders have the option to receive cash plus accrued interest or convert the convertible notes payable into Common Shares.

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Shareholders' Equity

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Shareholders' Equity

SHAREHOLDERS' EQUITY

Recent developments. Our common shareholders, Preferred Class A shareholders, and Preferred Class C shareholders approved changes to our declaration of trust, as amended and restated, in March 2016. We presently have authority to issue up to 450,000,000 shares of beneficial interest, $0.01 par value per share, of which 400,000,000 are classified as Common Shares of beneficial interest, $0.01 par value per share and 50,000,000 are classified as preferred shares of beneficial interest, $0.01 par value per share. Of the 50,000,000 preferred shares of beneficial interest, 1,518,000 shares are designated as Preferred Class A Shares and 300,000 shares are designated as Preferred Class C Shares. Previously, we had authority to issue up to 110,000,000 shares of beneficial interest, $0.01 par value per share, of which 100,000,000 were classified as Common Shares of beneficial interest, $0.01 par value per share, and 10,000,000 were classified as preferred shares of beneficial interest, $0.01 par value per share, with 1,518,000 shares designated as Preferred Class A Shares and 300,000 shares designated as Preferred Class C Shares.

Conversion of OP Units by limited partners. At any time on or after six months following the date of the initial issuance thereof, limited partners in Pillarstone OP holding OP Units have the right to convert their OP Units for cash, or at the option of the general partner, common shares of the Company. As of December 31, 2017 and 2016, there were 16,688,167 OP Units outstanding.

Preferred shares. The Company has outstanding 95,226 Class A Cumulative Convertible Preferred Shares (“Class A Preferred Shares”) that were issued to the public. The Class A Preferred Shares bear a liquidation value of $10.00 per share. The Class A Preferred Shares are each convertible into 0.046 Common Shares subject to certain formulas. We have the right to redeem the Class A Preferred Shares.

Effective June 30, 2003, we issued 696,078 Class A Preferred Shares valued at approximately $2.4 million to James C. Mastandrea, our Chairman, Chief Executive Officer and President, and John J. Dee, our Chief Financial Officer and Senior Vice President, pursuant to separate restricted share agreements. Under each restricted share agreement, the restricted shares vest upon the later of the following dates:

• the date our gross assets exceed $50 million, or

• 50% of the restricted shares on March 4, 2004; 25% of the shares on March 4, 2005 and the remaining 25% of the shares on March 4, 2006.

In conjunction with a one-time incentive exchange offer for Class A Preferred shareholders, Messrs. Mastandrea and Dee exchanged 534,668 of these restricted Class A Preferred Shares into 163,116 restricted Common Shares. The restrictions described above are also applicable to their Common Shares. The remaining 161,410 restricted Class A Preferred Shares held by Messrs. Mastandrea and Dee can each be converted into 0.305 restricted Common Shares. The market value of 161,410 restricted Class A Preferred Shares and 163,116 restricted Common Shares is approximately $590,000 at December 31, 2017 and there is limited trading volume of the Common Shares on OTC Bulletin Board.

The number of Common Shares and the conversion factor have been revised to reflect the 1-for-75 reverse split of the Common Shares that occurred in July 2006.

During 2017, no Class A Preferred Shares were converted into Common Shares, and during 2016, 1,600 Class A Preferred Shares were converted into 73 Common Shares.

Effective September 29, 2006, Pillarstone filed articles supplementary to its Declaration of Trust, as amended, restated and supplemented with the State Department of Assessment and Taxation of Maryland designating 300,000 Class C Convertible Preferred Shares (“Class C Preferred Shares”). The Class C Preferred Shares have voting rights equal to the number of Common Shares into which they are convertible. Each Class C Preferred Share is convertible into Common Shares by dividing the sum of $10.00 and any accrued but unpaid dividends on the Class C Preferred Shares by the conversion price of $1.00. The Class C Preferred Shares have a liquidation preference of $10.00 per share, plus any accrued but unpaid dividends, and can be redeemed by the board of trustees at any time, with notice, at the same price per share.

Effective September 29, 2006, three independent trustees of Pillarstone signed subscription agreements to purchase 125,000 Class C Preferred Shares for an aggregate contribution of $500,000 to maintain Pillarstone as a corporate shell current in its SEC filings.

In addition, on September 29, 2006, Mr. Mastandrea signed a subscription agreement to purchase 44,444 restricted shares of Class C Preferred Shares. The consideration for the purchase was Mr. Mastandrea’s services as an officer of Pillarstone for the period beginning September 29, 2006 and ending September 29, 2008. The Class C Preferred Shares are subject to forfeiture and are restricted from being sold by Mr. Mastandrea until the latest to occur of a public offering by Pillarstone sufficient to liquidate the Class C Preferred Shares, an exchange of Pillarstone’s existing shares for new shares, or September 29, 2008. These shares were fully amortized by the original date in 2008.

Each of the trustees of Pillarstone signed a restricted share agreement with Pillarstone, dated September 29, 2006, to receive a total of 12,500 restricted Class C Preferred Shares in lieu of receiving fees in cash for service as a trustee for the two years ending September 29, 2008. The restrictions on the Class C Preferred Shares are to be removed upon the latest to occur of a public offering by Pillarstone sufficient to liquidate the Class C Preferred Shares, an exchange of Pillarstone's existing shares for new shares, or September 29, 2008. These shares were fully amortized by the original date in 2008.

Shares held in treasury. On October 1, 2003, we completed the sale of our 92.9% general partnership interest in our four commercial properties. A portion of the proceeds from the sale was paid in 38,130 of our Common Shares at an average closing price for the 30 calendar days prior to June 27, 2003 of $21.00 or approximately $801,000. These shares are recorded at cost in the accompanying consolidated balance sheets under treasury shares.

Restricted Common Shares. The following table summarizes the activity of our unvested restricted Common Shares for the years ended December 31, 2017 and 2016:

	Unvested Restricted Common Shares
		Weighted-Average
	Number of	Grant-Date
	Shares	Fair Value
Unvested at December 31, 2015	168,449	$11.44
Vested	—	—
Unvested at December 31, 2016	168,449	$11.44
Vested	—	—
Unvested at December 31, 2017	168,449	$11.44

In the above table, 163,116 restricted shares vest upon meeting performance goals as discussed under “Preferred Shares.” Since the grant date, we have determined that meeting these performance goals is not probable, and no compensation expense has been recognized related to this grant. The grant date fair value of $1,847,000 would be recognized at the point we deem it probable that we would meet the performance goals. The balance of 5,333 restricted shares had grant date fair values totaling $79,000, which was recognized in prior periods though the restrictions remain on the shares.

On June 30, 2003, our shareholders approved the issuance of an agreement to issue additional Common Shares to Paragon Real Estate Development, LLC of which Mr. Mastandrea is the managing member, and Mr. Dee is a member. In September 2006, Pillarstone amended this agreement to include each of the trustees to the agreement so that if a trustee brings a new transaction to Pillarstone, he would receive additional Common Shares of Pillarstone in accordance with a formula in the agreement. In January 2016, the non-employee trustees and Mr. Mastandrea agreed to make this agreement for only non-employee trustees. The agreement is intended to serve as an incentive for our trustees to increase the asset base, net operating income, funds from operations, and share value of Pillarstone. The exact number of Common Shares that would be issued will be calculated in accordance with a formula in the agreement based on future acquisition, development or redevelopment transactions. Any of these transactions would be subject to approval by the members of our board of trustees who are not receiving the additional Common Shares. We would issue our Common Shares only upon the closing of a transaction. The maximum number of Common Shares a trustee may receive under the additional contribution agreement is limited to a total value of $26 million based on the average closing price of our Common Shares for 30 calendar days preceding the closing of any acquisition transaction. The Common Shares will be restricted until we achieve the five year pro forma income target for the acquisition, as approved by the board of trustees, and an increase of 5% in Pillarstone's net operating income and funds from operations. The restricted shares would vest immediately upon any “shift in ownership,” as defined in the agreement.

Options. On November 16, 1998, we adopted the 1998 Share Option Plan. In 2004, the board of trustees unanimously recommended and the shareholders approved amendments to our 1998 Share Option Plan to increase the number of shares available for grant from 42,222 to 46,666 and to conform with then current tax regulations (“2004 Plan”). The 2004 Plan expired in 2014; the one outstanding grant of 667 options remains effective until 90 days after the term ends of the individual trustee.

The following table summarizes the activity for outstanding stock options:

	Options Outstanding
				Weighted-Average
		Weighted-Average		Remaining
	Number of	Exercise		Contractual Term	Aggregate
	Shares	Price		(in years)	Intrinsic Value (1)
Balance at December 31, 2015	667	$	33.75	1.25	$	—
Granted	—	—
Exercised	—	—
Canceled / forfeited / expired	—	$	—
Balance at December 31, 2016	667	$	33.75	1.25	$	—
Granted	—	—
Exercised	—	—
Canceled / forfeited / expired	—	—
Balance at December 31, 2017	667	$	33.75	1.25	$	—
Vested and exercisable as of December 31, 2017	—	$	—	0	$	—

⁽¹⁾  The aggregate intrinsic value is calculated as approximately the difference between the weighted average exercise price of the underlying awards and the Company’s estimated current fair market value at December 31, 2017. Because the weighted average exercise price exceeds fair market value at December 31, 2017, there is no aggregate intrinsic value for the options.

The Company did not recognize any stock-based compensation expense during the years ending December 31, 2017 and 2016. As of December 31, 2017 and December 31, 2016, there was no remaining unrecognized cost related to stock options.

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Incentive Equity Plan

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Incentive Equity Plan

INCENTIVE EQUITY PLAN

At the 2016 Annual Meeting of Shareholders, our shareholders approved the 2016 Equity Plan (“2016 Plan”).

The 2016 Plan provides that awards may be made in Common Shares of the Company or units in the Company’s operating partnership, which may be converted into Common Shares. Subject to adjustment as provided by the terms of the 2016 Plan, the maximum aggregate number of Common Shares with respect to which awards may be granted under the 2016 Plan will be increased based on future issuances of Common Shares and units of the operating partnership, including issuances pursuant to the 2016 Plan, so that at any time the maximum number of shares that may be issued under the 2016 Plan shall equal 12.5% of the aggregate number of Common Shares and units of the operating partnership issued and outstanding (other than treasury shares and/or units issued to or held by the Company).

The Management, Organization and Compensation Committee (the “Committee”) administers the 2016 Plan, except with respect to awards to non-employee trustees, for which the 2016 Plan is administered by the board of trustees. Subject to the terms of the 2016 Plan, the Committee is authorized to select participants, determine the type and number of awards to be granted, determine and later amend (subject to certain limitations) the terms and conditions of any award, interpret and specify the rules and regulations relating to the 2016 Plan, and make all other determinations which may be necessary or desirable for the administration of the 2016 Plan. The 2016 Plan includes the types of awards for grants and the types of financial performance measures.

As of December 31, 2017, the maximum number of Common Shares or OP Units available to be granted is 2,356,426, and no grants have been issued under the 2016 Plan.

DIVIDENDS AND DISTRIBUTIONS

No cash distributions were declared during 2017 and 2016 with respect to the common or preferred shares.

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Loss Per Share

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Loss Per Share

LOSS PER SHARE

The Company applies the guidance of ASC 260, “Earnings Per Share,” for all periods presented herein. Net loss per weighted average common share outstanding - basic and diluted - are computed based on the weighted average number of Common Shares outstanding for the period. The weighted average number of Common Shares outstanding for the years ended December 31, 2017 and 2016 was 405,169. Common share equivalents of 3,083,284 as of December 31, 2017 and 3,068,358 as of December 31, 2016 include outstanding convertible preferred shares, convertible notes payable and stock options, and are not included in net loss per weighted average common share outstanding-diluted as they would be anti-dilutive.

	Year ended December 31,
	2017			2016
Numerator
Net loss attributable to common shareholders	(17,426		)	$	(496,981	)
Denominator
Weighted average Common Shares outstanding at December 31, 2017 and December 31, 2016 - basic and diluted	405,169			405,169
Basic and Diluted EPS
Net loss attributable to common shareholders - basic and diluted	$	(0.04	)	$	(1.23	)

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Dividends and Distributions

12 Months Ended

Dec. 31, 2017

Distributions Made to Members or Limited Partners [Abstract]

Dividends and Distributions

INCENTIVE EQUITY PLAN

At the 2016 Annual Meeting of Shareholders, our shareholders approved the 2016 Equity Plan (“2016 Plan”).

The 2016 Plan provides that awards may be made in Common Shares of the Company or units in the Company’s operating partnership, which may be converted into Common Shares. Subject to adjustment as provided by the terms of the 2016 Plan, the maximum aggregate number of Common Shares with respect to which awards may be granted under the 2016 Plan will be increased based on future issuances of Common Shares and units of the operating partnership, including issuances pursuant to the 2016 Plan, so that at any time the maximum number of shares that may be issued under the 2016 Plan shall equal 12.5% of the aggregate number of Common Shares and units of the operating partnership issued and outstanding (other than treasury shares and/or units issued to or held by the Company).

The Management, Organization and Compensation Committee (the “Committee”) administers the 2016 Plan, except with respect to awards to non-employee trustees, for which the 2016 Plan is administered by the board of trustees. Subject to the terms of the 2016 Plan, the Committee is authorized to select participants, determine the type and number of awards to be granted, determine and later amend (subject to certain limitations) the terms and conditions of any award, interpret and specify the rules and regulations relating to the 2016 Plan, and make all other determinations which may be necessary or desirable for the administration of the 2016 Plan. The 2016 Plan includes the types of awards for grants and the types of financial performance measures.

As of December 31, 2017, the maximum number of Common Shares or OP Units available to be granted is 2,356,426, and no grants have been issued under the 2016 Plan.

DIVIDENDS AND DISTRIBUTIONS

No cash distributions were declared during 2017 and 2016 with respect to the common or preferred shares.

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Income Taxes

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

There was no income tax provision for the years ended December 31, 2017 and 2016.

	For the year ended December 31,
	2017			2016
Deferred benefit	$	(6,000	)	$	(40,000	)
Change in deferred rate (1)	350,000			156,000
Change in valuation allowance	(344,000		)	(116,000		)
Total tax provision	$	—		$	—

The tax provision differs from the expense that would result from applying Federal statutory rates as follows:

	For the year ended December 31,
	2017			2016
Benefit at Federal statutory rate	$	(6,000	)	$	(40,000	)
Change in deferred rate (1)	350,000			156,000
Change in valuation allowance	(344,000		)	(116,000		)
Tax provision	$	—		$	—

⁽¹⁾  The deferred tax rate decreased from 40% to 34% during 2016 and decreased from 34% to 21% during 2017.        

Deferred tax assets and liabilities consist of the following:

	At December 31,
	2017			2016
Deferred tax assets:
Net operating loss carryforwards	$	571,000		$	915,000
Valuation allowance	(571,000		)	(915,000		)
Net deferred tax assets	$	—		$	—

Realization of deferred tax assets is dependent upon generation of sufficient future taxable income and the effects of other loss utilization provisions. Management has determined that sufficient uncertainty exists regarding the realizability of the net deferred tax assets and has provided a full valuation allowance of $571,000 and $915,000, against the net deferred tax assets of the Company as of December 31, 2017 and 2016, respectively. A valuation allowance is considered to be a significant estimate that may change in the near term.

At December 31, 2017, the Company had net operating loss carryforwards of $2,510,000 available to be carried to future periods. Net operating loss carryforwards of $1,859,000 are available for Pillarstone to use without any limitation or restriction imposed by tax regulations. Changes in the ownership of Pillarstone’s shares that occurred in 2001, 2003 and 2006 have limited the amount of net operating losses to be used to approximately $72,400 per year for another 9 years, or a total of $651,600. Prior net loss carryforwards of approximately $10,642,000 cannot be used due to the limitations imposed by Section 382 of the Code related to the 2001, 2003 and 2006 changes of share ownership.

The loss carryforwards expire as follows:

Year Expiring	Net Operating Loss
2027	$	1,551,000
2028	364,000
2029	248,000
2030	81,000
2031	52,000
2032	39,000
2033	61,000
2034	54,000
2035	57,000
2036	68,000
2037	95,000
2038	(160,000		)
Total loss carryforwards	$	2,510,000

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Related Party Transactions

12 Months Ended

Dec. 31, 2017

Related Party Transactions [Abstract]

Related Party Transactions

RELATED PARTY TRANSACTIONS

During the year ended December 31, 2016, the Company incurred certain general and administrative expenses which were paid by Pillarstone OP on the Company's behalf, with the intent that the amount would be repaid in full at a later date, resulting in a related party payable as of December 31, 2016 totaling $316,103. This payable balance represented 77% and 92% of the Company's total accounts payable as of December 31, 2017 and December 31, 2016, respectively. These expenses represented 64.3% of the Company's total general and administrative expenses incurred during the year ended December 31, 2016. No such amounts were paid by Pillarstone OP during the year ended December 31, 2017 and the payable balance as of December 31, 2016 remains outstanding.

On December 8, 2016, the Company entered into the Contribution Agreement with Pillarstone OP and Whitestone OP, both of which are related parties, resulting in the contribution of an equity ownership interest in Pillarstone OP to the Company valued at $4,121,312 and representing approximately 18.6% of the outstanding equity in Pillarstone OP. The terms of the Contribution Agreement were determined through arm's-length negotiations and were recommended to the board of trustees by a special committee of the board of trustees consisting solely of disinterested trustees of the Company and approved by the full board. During the period of December 8, 2016 through December 31, 2016, Pillarstone received a distribution in kind totaling $4,121,321 from Pillarstone OP and recognized equity in income of Pillarstone OP totaling $14,776, resulting in an ending equity investment balance in Pillarstone OP of $14,776 as of December 31, 2016. During the year ended December 31, 2017, the Company received distributions from Pillarstone OP totaling $378,969 and recognized equity in income of Pillarstone OP totaling $275,313, resulting in an ending negative equity investment balance in Pillarstone OP of $88,880 as of December 31, 2017.

Pursuant to the Contribution Agreement, the Company has agreed to file with the SEC on or prior to June 8, 2018, a shelf registration statement to register for sale under the Securities Act, the issuance of the Common Shares that may be issued upon redemption of the OP Units issued pursuant to each of the Contribution Agreement and the OP Unit Purchase Agreement (as defined below) and the offer and resale of such Common Shares by the holders thereof. In addition, pursuant to the Contribution Agreement, in the event of a Change of Control (as defined therein) of Whitestone, Pillarstone OP shall have the right, but not the obligation, to repurchase the OP Units issued thereunder from Whitestone OP at their initial issue price of $1.331 per OP Unit.

In connection with the Contribution Agreement, on December 8, 2016, the Company and Pillarstone OP entered into an OP Unit Purchase Agreement (the “OP Unit Purchase Agreement”) with Whitestone OP pursuant to which Pillarstone OP may require Whitestone OP to purchase up to an aggregate of $3.0 million of OP Units at a price of $1.331 per OP Unit over the two-year term of the OP Unit Purchase Agreement on the terms set forth therein. In addition, pursuant to the OP Unit Purchase Agreement, in the event of a Change of Control (as defined therein) of Whitestone, Pillarstone OP shall have the right, but not the obligation, to repurchase the OP Units issued thereunder from Whitestone OP at their initial issue price of $1.331 per OP Unit.

In connection with the Contribution Agreement, on December 8, 2016, the Company and Pillarstone OP entered into a Tax Protection Agreement (the “Tax Protection Agreement”) with Whitestone OP pursuant to which Pillarstone OP agreed to indemnify Whitestone OP for certain tax liabilities resulting from its recognition of income or gain prior to December 8, 2021 if such liabilities result from a transaction involving a direct or indirect taxable disposition of all or a portion of the property acquired in the Contribution Agreement or if Pillarstone OP fails to maintain and allocate to Whitestone OP for taxation purposes minimum levels of liabilities as specified in the Tax Protection Agreement, the result of which causes such recognition of income or gain and Whitestone incurs taxes that must be paid to maintain its REIT status for federal tax purposes. The provisions of the Tax Protection Agreement would not apply if there were a Change of Control (as defined in the Purchase Agreement) and the Operating Partnership were to repurchase the OP Units issued under the Purchase Agreement from Whitestone OP at their initial issue price of $1.331 per OP Unit.

As detailed further in Note 13 below, in February 2017, the Company leased office space from Whitestone in Houston, Texas to support the day-to-day operations of Pillarstone OP. The termination date for the leased space is June 30, 2020.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

Employment Agreements

On April 3, 2006, the board of trustees authorized modifications to Mr. Mastandrea’s employment agreement. The modification agreement allows Mr. Mastandrea to devote time to other business and personal investments while performing his duties for Pillarstone. The original employment agreement with Mr. Mastandrea provides for an annual salary of $60,000 effective as of March 4, 2003. The initial term of Mr. Mastandrea’s employment is for two years and may be extended for terms of one year. Mr. Mastandrea’s base annual salary may be adjusted from time to time, except that the adjustment may not be lower than the preceding year’s base salary. The employment agreement provides that Mr. Mastandrea will be entitled to base salary and bonus at the rate in effect before any termination for a period of three years in the event that his employment is terminated without cause by us or for good reason by Mr. Mastandrea. Effective September 29, 2006, in lieu of an annual salary of $100,000 and to conserve cash, Mr. Mastandrea agreed to receive 44,444 Class C Preferred Shares for his services as an officer of Pillarstone through September 29, 2008. The shares were fully amortized by the original date in 2008.

Mr. Dee’s employment agreement was also modified on April 3, 2006 in a similar way to Mr. Mastandrea’s employment agreement as explained above, except Mr. Dee does not receive any Class C Preferred Shares for his services as an officer of Pillarstone. Mr. Dee’s base annual salary may be adjusted from time to time, except that the adjustment may not be lower than the preceding year’s base salary. The employment agreement provides that Mr. Dee will be entitled to base salary and bonus at the rate in effect before any termination for a period of three years in the event that his employment is terminated without cause by us or for good reason by Mr. Dee. On September 29, 2006, the board of trustees approved compensation to Mr. Dee of $125 per hour, up to a maximum of $5,000 per month. However, Mr. Dee has forgone receiving any cash compensation under this arrangement in order to preserve the Company’s cash.

In February 2017, the Company leased office space from Whitestone in Houston, Texas to support the day-to-day operations of Pillarstone OP. For the year ended December 31, 2017, we expensed $12,634 in rent expense. A summary of the minimum future rents payable under our lease as of December 31, 2017 is as follows:

Years Ended December 31,	Amount Due
2018	14,178
2019	14,604
2020	7,410
Total	36,192

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Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

	Balance at		Charged to			Deductions		Balance at
	Beginning		Costs and			from		End of
Description	of Year		Expense			Reserves		Year
Deferred tax asset allowance:
Year ended December 31, 2017	$	915,000	$	(344,000	)	$	—	$	571,000
Year ended December 31, 2016	1,031,000		(116,000		)	—		915,000
Year ended December 31, 2015	1,004,000		27,000			—		1,031,000

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Schedule III - Real Estate and Accumulated Depreciation

12 Months Ended

Dec. 31, 2017

SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]

Schedule III - Real Estate and Accumulated Depreciation

					Costs Capitalized Subsequent				Gross Amount at which Carried at
	Initial Cost (in thousands)				to Acquisition (in thousands)				End of Period(in thousands)(1) (2)
			Building and		Improvements		Carrying				Building and
Property Name	Land		Improvements		(net)		Costs		Land		Improvements		Total
Pillarstone OP Properties:
9101 LBJ Freeway	$	1,597	$	6,078	$	1,128	$	—	$	1,597	$	7,206	$	8,803
Corporate Park Northwest	1,534		6,306		2,268		—		1,534		8,574		10,108
Corporate Park West	2,555		10,267		1,615		—		2,555		11,882		14,437
Corporate Park Woodland	652		5,330		830		—		652		6,160		6,812
Corporate Park Woodland II	2,758		—		26		—		2,758		26		2,784
Dairy Ashford	226		1,211		49		—		226		1,260		1,486
Holly Hall Industrial Park	608		2,516		395		—		608		2,911		3,519
Holly Knight	320		1,293		402		—		320		1,695		2,015
Interstate 10 Warehouse	208		3,700		495		—		208		4,195		4,403
Main Park	1,328		2,721		1,113		—		1,328		3,834		5,162
Plaza Park	902		3,294		1,141		—		902		4,435		5,337
Uptown Tower	1,621		15,551		4,794		—		1,621		20,345		21,966
Westbelt Plaza	568		2,165		958		—		568		3,123		3,691
Westgate Service Center	672		2,776		1,175		—		672		3,951		4,623
Total - Pillarstone OP Properties	$	15,549	$	63,208	$	16,389	$	—	$	15,549	$	79,597	$	95,146

		Accumulated Depreciation		Date	Depreciation
Property Name	Encumbrances	(in thousands)		Acquired	Life
Pillarstone OP Properties:
9101 LBJ Freeway		$	2,634	12/8/2016	5-39 years
Corporate Park Northwest		3,679		12/8/2016	5-39 years
Corporate Park West	(3)	4,959		12/8/2016	5-39 years
Corporate Park Woodland	(3)	3,331		12/8/2016	5-39 years
Corporate Park Woodland II		5		12/8/2016	5-39 years
Dairy Ashford	(3)	686		12/8/2016	5-39 years
Holly Hall Industrial Park	(3)	1,356		12/8/2016	5-39 years
Holly Knight		1,090		12/8/2016	5-39 years
Interstate 10 Warehouse	(3)	2,852		12/8/2016	5-39 years
Main Park	(3)	1,957		12/8/2016	5-39 years
Plaza Park	(3)	2,352		12/8/2016	5-39 years
Uptown Tower	(4)	7,384		12/8/2016	5-39 years
Westbelt Plaza	(3)	1,981		12/8/2016	5-39 years
Westgate Service Center	(3)	1,714		12/8/2016	5-39 years
Total - Pillarstone OP Properties		$	35,980

⁽¹⁾ Reconciliations of total real estate carrying value for the years ended December 31, 2017 and 2016 follows:

	( in thousands)
	2017			2016
Balance at beginning of period	$	92,338		$	—
Additions during the period:
Acquisitions	2,550			92,338
Improvements	1,265			—
	3,815			92,338
Deductions - cost of real estate sold or retired	(1,007		)	—
Balance at close of period	$	95,146		$	92,338

⁽²⁾  The aggregate cost of real estate (in thousands) for federal income tax purposes is $84,646.

⁽³⁾  These properties secure a $37.0 million mortgage note.

⁽⁴⁾  This property secures a $16.5 million mortgage note.

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Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Basis of Accounting

Basis of Accounting.  Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.

Use of estimates

Use of estimates. In order to conform with generally accepted accounting principles in the United States (“GAAP”), management, in preparation of our consolidated financial statements, is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of December 31, 2017 and December 31, 2016, and the reported amounts of revenues and expenses for the years ended December 31, 2017 and 2016. Actual results could differ from those estimates. Significant estimates include deferred taxes and the related valuation allowance for deferred taxes, and these significant estimates, as well as other estimates and assumptions, may change in the near term.

Cash and cash equivalents

Cash and cash equivalents. We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.  Cash and cash equivalents as of December 31, 2017 and 2016 consisted of demand deposits at commercial banks and brokerage accounts. We maintain our cash in bank accounts that are federally insured.

Marketable Securities

Marketable Securities. We classify our existing marketable equity securities as available-for-sale in accordance with the Financial Accounting Standards Board's (“FASB”) Investments-Debt and Equity Securities guidance. These securities are carried at fair value with unrealized gains and losses reported in equity as a component of accumulated other comprehensive income or loss. The fair value of the marketable securities is determined using Level 1 inputs under FASB Accounting Standards Codification (“ASC”) 820, “Fair Value Measurements and Disclosures.” Level 1 inputs represent quoted prices available in an active market for identical investments as of the reporting date. Gains and losses on securities sold are based on the specific identification method, and are reported as a component of interest, dividend and other investment income.

Equity method investment

Equity method investment. The Company accounts for its investment in Pillarstone OP in accordance with ASC 323, “Investments - Equity Method and Joint Ventures,” which addresses the accounting for investments in entities over which the investor is deemed to exercise significant influence. The Company serves as the general partner of Pillarstone OP, with a 18.6% equity ownership interest and is a party to the Amended and Restated Agreement of Limited Partnership of Pillarstone OP, as described in Note 5 herein, which gives the general partner, subject to certain protective rights of the limited partners as described in Note 5, the responsibility and discretion for the management of Pillarstone OP, including the ability to cause Pillarstone OP to enter into certain major transactions including a merger of Pillarstone OP or a sale of substantially all of the assets of Pillarstone OP. As such, the Company is deemed to exercise significant influence but not complete control over Pillarstone OP. Additionally, we determined that we are not the primary beneficiary and thus the investment in Pillarstone OP qualifies for usage of the equity method of accounting.

Investment in equipment

Investments in equipment. Our investments in equipment assets are reported at cost. Depreciation expense is computed using the straight-line method based on the following useful lives:

Furniture, fixtures and equipment        3-7 years

Revenue Recognition

Revenue recognition. Revenues are interest earned on cash balances and equity in earnings of an investee, and are recognized during the period in which they are earned.

Stock-based compensation

Stock-based compensation. The Company accounts for stock-based compensation in accordance with ASC 718, “Compensation - Stock Compensation,” which addresses the accounting for stock-based payment transactions in which an enterprise receives employee services in exchange for (a) equity instruments of the enterprise or (b) liabilities that are based on the fair value of the enterprise’s equity instruments or that may be settled by the issuance of such equity instruments. ASC 718 generally requires that these transactions be accounted for using a fair-value-based method. The Company uses the Black-Scholes option-pricing model to determine the fair-value of stock-based awards.

Income taxes

Income taxes. Because we have not elected to be taxed as a REIT for federal income tax purposes, we account for income taxes using the liability method under which deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities using enacted tax rates in effect for the period in which the differences are expected to affect taxable income. Valuation allowances are established when necessary to reduce deferred tax assets to the amount expected to be realized.

The Company evaluates potential uncertain tax positions on an annual basis in conjunction with the board of trustees and its tax accountants. Authoritative literature provides a two-step approach to recognize and measure tax benefits when realization of the benefits is uncertain. The first step is to determine whether the benefit meets the more-likely-than-not condition for recognition and the second step is to determine the amount to be recognized based on the cumulative probability that exceeds 50%. The Company has no uncertain tax positions that required adjustments to our consolidated financial statements in 2017 or 2016.

At December 31, 2017, we have net operating loss carryforwards totaling $2,510,000. While these losses created a deferred tax asset, a valuation allowance was applied against the asset because of the uncertainty of whether we will be able to use these loss carryforwards, which will expire in varying amounts through the year 2038. Pursuant to regulations set forth in the Internal Revenue Code of 1986 as amended (the “Code”), Pillarstone will be limited to using $651,600 of the prior net operating losses of $11,246,000. These same regulations also limit the amount of loss used in any one year.

We are also subject to certain state and local income, excise and franchise taxes. The provision for state and local taxes has been reflected in general and administrative expense in the consolidated statements of operations and has not been separately stated due to its insignificance.

Fair value of financial instruments

Fair value of financial instruments. We adopted ASC 820, “Fair Value Measurements and Disclosures,” as it applies to our financial instruments, and ASC 825, “Financial Instruments.” ASC 820 defines fair value, outlines a framework for measuring fair value, and details the required disclosures about fair value measurements. ASC 825 permits companies to irrevocably choose to measure certain financial instruments and other items at fair value. ASC 825 also establishes presentation and disclosure requirements designed to facilitate comparison between entities that choose different measurement attributes for similar types of assets and liabilities.

Under ASC 820, fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in the principal or most advantageous market. ASC 820 establishes a hierarchy in determining the fair value of an asset or liability. The fair value hierarchy has three levels of inputs, both observable and unobservable. ASC 820 requires the utilization of the lowest possible level of input to determine fair value. Level 1 inputs include quoted market prices in an active market for identical assets or liabilities. Level 2 inputs are market data, other than Level 1, that are observable either directly or indirectly. Level 2 inputs include quoted market prices for similar assets or liabilities, quoted market prices in an inactive market, and other observable information that can be corroborated by market data. Level 3 inputs are unobservable and corroborated by little or no market data.

Except for those assets and liabilities which are required by authoritative accounting guidance to be recorded at fair value in our Consolidated Balance Sheets, we have elected not to record any other assets or liabilities at fair value, as permitted by ASC 825. No events occurred during 2017 which would require adjustment to the recognized balances of assets or liabilities which are recorded at fair value on a nonrecurring basis.

The following table provides information on those assets and liabilities measured at fair value on a recurring basis.

	Fair Value Measurement Using
	Level 1		Level 2		Level 3
Marketable Securities
December 31, 2017
Money Market Investment	$	100	$	—	$	—
December 31, 2016
Money Market Investment	$	100	$	—	$	—

The fair value of the marketable securities is based on quoted market prices in an active market

Recent accounting pronouncements

Recent accounting pronouncements. Management has reviewed recently issued accounting pronouncements and does not expect the implementation of these pronouncements to have a significant effect on the Company's consolidated financial statements.

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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The following table provides information on those assets and liabilities measured at fair value on a recurring basis.

	Fair Value Measurement Using
	Level 1		Level 2		Level 3
Marketable Securities
December 31, 2017
Money Market Investment	$	100	$	—	$	—
December 31, 2016
Money Market Investment	$	100	$	—	$	—

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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of activity of our unvested restricted common shares

The following table summarizes the activity of our unvested restricted Common Shares for the years ended December 31, 2017 and 2016:

	Unvested Restricted Common Shares
		Weighted-Average
	Number of	Grant-Date
	Shares	Fair Value
Unvested at December 31, 2015	168,449	$11.44
Vested	—	—
Unvested at December 31, 2016	168,449	$11.44
Vested	—	—
Unvested at December 31, 2017	168,449	$11.44

Schedule of activity for outstanding stock options

The following table summarizes the activity for outstanding stock options:

	Options Outstanding
				Weighted-Average
		Weighted-Average		Remaining
	Number of	Exercise		Contractual Term	Aggregate
	Shares	Price		(in years)	Intrinsic Value (1)
Balance at December 31, 2015	667	$	33.75	1.25	$	—
Granted	—	—
Exercised	—	—
Canceled / forfeited / expired	—	$	—
Balance at December 31, 2016	667	$	33.75	1.25	$	—
Granted	—	—
Exercised	—	—
Canceled / forfeited / expired	—	—
Balance at December 31, 2017	667	$	33.75	1.25	$	—
Vested and exercisable as of December 31, 2017	—	$	—	0	$	—

⁽¹⁾  The aggregate intrinsic value is calculated as approximately the difference between the weighted average exercise price of the underlying awards and the Company’s estimated current fair market value at December 31, 2017. Because the weighted average exercise price exceeds fair market value at December 31, 2017, there is no aggregate intrinsic value for the options.

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Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of loss per share

	Year ended December 31,
	2017			2016
Numerator
Net loss attributable to common shareholders	(17,426		)	$	(496,981	)
Denominator
Weighted average Common Shares outstanding at December 31, 2017 and December 31, 2016 - basic and diluted	405,169			405,169
Basic and Diluted EPS
Net loss attributable to common shareholders - basic and diluted	$	(0.04	)	$	(1.23	)

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Income taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of income tax provision

⁽¹⁾  The deferred tax rate decreased from 40% to 34% during 2016 and decreased from 34% to 21% during 2017.

There was no income tax provision for the years ended December 31, 2017 and 2016.

	For the year ended December 31,
	2017			2016
Deferred benefit	$	(6,000	)	$	(40,000	)
Change in deferred rate (1)	350,000			156,000
Change in valuation allowance	(344,000		)	(116,000		)
Total tax provision	$	—		$	—

Schedule of income tax rate reconciliation

The tax provision differs from the expense that would result from applying Federal statutory rates as follows:

	For the year ended December 31,
	2017			2016
Benefit at Federal statutory rate	$	(6,000	)	$	(40,000	)
Change in deferred rate (1)	350,000			156,000
Change in valuation allowance	(344,000		)	(116,000		)
Tax provision	$	—		$	—

⁽¹⁾  The deferred tax rate decreased from 40% to 34% during 2016 and decreased from 34% to 21% during 2017.

Schedule of deferred tax assets and liabilities

Deferred tax assets and liabilities consist of the following:

	At December 31,
	2017			2016
Deferred tax assets:
Net operating loss carryforwards	$	571,000		$	915,000
Valuation allowance	(571,000		)	(915,000		)
Net deferred tax assets	$	—		$	—

Summary of loss carryovers

The loss carryforwards expire as follows:

Year Expiring	Net Operating Loss
2027	$	1,551,000
2028	364,000
2029	248,000
2030	81,000
2031	52,000
2032	39,000
2033	61,000
2034	54,000
2035	57,000
2036	68,000
2037	95,000
2038	(160,000		)
Total loss carryforwards	$	2,510,000

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Minimum Future Rents Payable

A summary of the minimum future rents payable under our lease as of December 31, 2017 is as follows:

Years Ended December 31,	Amount Due
2018	14,178
2019	14,604
2020	7,410
Total	36,192

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Organization Organization (Details)	Dec. 31, 2017
Pillarstone OP [Member]
Variable Interest Entity [Line Items]
Ownership percentage	18.60%

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Basis of Presentation (Details Narrative)	1 Months Ended
	Dec. 31, 2016 property
Accounting Policies [Abstract]
Number of real estate assets acquired	14

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Summary of Significant Accounting Policies (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Depreciation	$ 0
Other assets	$ 9,679	$ 14,499
Uncertain tax position to be recognized based on maximum cumulative probability percentage	50.00%
Unrecognized tax benefits	$ 0	0
Total loss carryovers	2,510,000
Operating loss carryforwards subject to limitations total	651,600
Net loss carryovers with restriction	$ 11,246,000
Prepaid SEC Filing Charges [Member]
Property, Plant and Equipment [Line Items]
Other assets		5,297
Directors and Officers Liability Insurance [Member]
Property, Plant and Equipment [Line Items]
Other assets		$ 9,202
Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful life	7 years
Pillarstone OP [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage	18.60%
Useful life	25 years

XML

Summary of Significant Accounting Policies - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 100	$ 100
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	100	100
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	0	0
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 0	$ 0

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Marketable Securities (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Marketable Securities [Abstract]
Marketable securities	$ 100	$ 100
Proceeds from the sale of marketable securities	0	0
Interest earned on cash	$ 0	$ 0

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Equity Method Investment (Details)	1 Months Ended	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 08, 2016 USD ($) property subsidiary $ / shares
Schedule of Equity Method Investments [Line Items]
Equity investment in Pillarstone Capital REIT Operating Partnership LP	$ 14,776	$ 0	$ 14,776
Equity in income of Pillarstone Capital REIT Operating Partnership LP		275,313	14,776
Distributions from equity method investment		$ 290,089	0
Pillarstone OP [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage		18.60%
Equity investment in Pillarstone Capital REIT Operating Partnership LP	14,776	$ (88,880)	14,776	$ 4,121,312
Conversion ratio, LTIP units to OP units (in shares)		1
Conversion ratio, OP units to common shares (in shares)		1
Difference between carrying amount and net assets		$ (78,000)
Distributions from equity method investment	$ 4,121,321	$ 378,969
Useful life		25 years
Amortization of difference		$ 3,120	$ 0
Pillarstone Variable Interest Entity [Member]
Schedule of Equity Method Investments [Line Items]
Consideration, limited partnership interest (in dollars per share) | $ / shares				$ 1.331
Whitestone [Member] | Pillarstone Variable Interest Entity [Member]
Schedule of Equity Method Investments [Line Items]
Number of wholly-owned subsidiaries contributed to variable interest entity | subsidiary				4
Number of non-core properties contributed to variable interest entity | property				14
Consideration amount				$ 84,000,000
Consideration, limited partnership interest				$ 18,100,000
Consideration, limited partnership interest (in dollars per share) | $ / shares				$ 1.331
Liabilities assumed				$ 65,900,000

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Convertible Notes Payable - Related Parties (Details Narrative)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Nov. 20, 2015 USD ($) trustee $ / shares
Debt Disclosure [Abstract]
Number of trustees | trustee			5
Convertible notes payable - related parties | $	$ 197,780	$ 197,780	$ 197,780
Interest rate			10.00%
Conversion price (in dollars per share) | $ / shares			$ 1.331

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Shareholders' Equity (Details Narrative)				1 Months Ended	12 Months Ended
	Sep. 29, 2008	Oct. 01, 2003 USD ($) CommercialProperties $ / shares shares	Jun. 30, 2003 USD ($) shares	Jul. 31, 2006	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2004 shares	Mar. 31, 2016 $ / shares shares	Sep. 29, 2006 USD ($) $ / shares shares
Class of Stock [Line Items]
Shares authorized (in shares)					450,000,000			110,000,000
Common stock, authorized (in shares)					400,000,000	400,000,000		100,000,000
Common stock, par value (in dollars per share) | $ / shares					$ 0.01	$ 0.01		$ 0.01
Preferred stock, authorized (in shares)					50,000,000			10,000,000
Preferred stock, par value (in dollars per share) | $ / shares					$ 0.01	$ 0.01
Value of preferred and common shares outstanding | $					$ 590,000
Reverse stock split conversion ratio				75
Preferred shares, issued, shares converted into restricted common shares					0
Share-based Compensation | $					$ 0
Service period and vesting period restriction date	2 years
Sale of general partnership, percentage interest sold		92.90%
Number of commercial properties | CommercialProperties		4
Treasury stock, shares received from sale of interest in general partnership		38,130
Average closing price of treasury stock shares received over a thirty day period | $ / shares		$ 21.00
Value of common stock received into treasury as partial proceeds in sale of general partnership | $		$ 801,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted					163,116
Grant date fair value of restricted shares which would be recognized upon meeting performance goals | $					$ 1,847,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number					5,333
Restricted common shares, balance, grant date fair value | $					$ 79,000
Maximum value of restricted common shares issuable to each trustee for achievement of certain performance criteria | $					$ 26,000,000
Denominator, the period over which the average closing price of common stock is averaged					30 days
Period over which the pro-forma acquisition income target must be meet					5 years
The percentage increase in net operating income and funds from operations which must be meet					5.00%
Shares granted (in shares)					0	0
Aggregate intrinsic value for options | $					$ 0
Unrecognized cost related to stock options | $					0	$ 0
Individual Trustee [Member]
Class of Stock [Line Items]
Shares granted (in shares)							667
Restricted Stock [Member]
Class of Stock [Line Items]
Award vesting rights, minimum gross assets | $					$ 50,000,000
Restricted Stock [Member] | March 4, 2004 [Member]
Class of Stock [Line Items]
Award vesting rights, percentage					50.00%
Restricted Stock [Member] | March 4, 2005 [Member]
Class of Stock [Line Items]
Award vesting rights, percentage					25.00%
Restricted Stock [Member] | March 4, 2006 [Member]
Class of Stock [Line Items]
Award vesting rights, percentage					25.00%
1998 Share Option Plan [Member] | Minimum [Member]
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant							42,222
1998 Share Option Plan [Member] | Maximum [Member]
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant							46,666
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, authorized (in shares)					1,518,000			1,518,000
Preferred stock, outstanding (in shares)					95,226
Preferred stock, liquidation preference (in dollars per share) | $ / shares					$ 10.00
Conversion ratio, preferred shares to common shares					0.046
Preferred shares, issued, shares converted into restricted common shares			534,668		0	1,600
Restricted common shares that restricted class A cumulative convertible preferred shares were converted into shares			163,116		73
Preferred shares, issued, remaining shares			161,410
Preferred shares, number of restricted common shares each preferred share can be converted into shares			0.305
Series A Preferred Stock [Member] | Restricted Stock [Member]
Class of Stock [Line Items]
Preferred stock, issued (in shares)			696,078
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued | $			$ 2,400,000
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, authorized (in shares)					300,000			300,000	300,000
Preferred stock, liquidation preference (in dollars per share) | $ / shares					$ 10.00				$ 10.00
Preferred shares, denominator value conversion price to calculate the conversion rate to exchange preferred class C shares for common shares | $									$ 1.00
Preferred shares to be purchased under subscription agreement									44,444
Restricted stock agreement, number of convertible preferred shares certain trustees entitled to receive in lieu of cash for services, shares									12,500
Series C Preferred Stock [Member] | Three Independent Trustees [Member]
Class of Stock [Line Items]
Preferred shares to be purchased under subscription agreement									125,000
Preferred shares to be purchased under subscription agreement, aggregate contribution | $									$ 500,000
OP Units [Member]
Class of Stock [Line Items]
OP units outstanding (in shares)					16,688,167	16,688,167

XML

Shareholders' Equity - Schedule of Unvested Restricted Common Shares Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Number of Shares
Unvested, beginning balance (in shares)	168,449	168,449
Vested (in shares)	0	0
Unvested, ending balance (in shares)	168,449	168,449
Weighted-Average Grant-Date Fair Value
Unvested, beginning balance (in dollars per share)	$ 11.44	$ 11.44
Vested (in shares)	0.00	0.00
Unvested, ending balance (in dollars per share)	$ 11.44	$ 11.44

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Shareholders' Equity - Schedule of Stock Options Outstanding Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Number of Shares
Options outstanding, beginning balance (in shares)	667	667
Granted (in shares)	0	0
Exercised (in shares)	0	0
Canceled / forfeited / expired (in shares)	0	0
Options outstanding, ending balance (in shares)	667	667	667
Vested and exercisable (in shares)	0
Weighted-Average Exercise Price
Options outstanding, beginning balance (in dollars per share)	$ 33.75	$ 33.75
Granted (in dollars per share)	0	0
Exercised (in dollars per share)	0	0
Canceled / forfeited / expired (in dollars per share)	0	0
Options outstanding, ending balance (in dollars per share)	33.75	$ 33.75	$ 33.75
Vested and exercisable (in dollars per share)	$ 0
Weighted-Average Remaining Contractual Term, Outstanding (in years)	1 year 3 months	1 year 3 months	1 year 3 months
Weighted-Average Remaining Contractual Term, Vested and exercisable (in years)	0 years
Aggregate Intrinsic Value, Outstanding	$ 0	$ 0	$ 0
Aggregate Intrinsic Value, Vested and exercisable	$ 0

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Incentive Equity Plan (Details) - shares	12 Months Ended
	Dec. 31, 2017	Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)	450,000,000	110,000,000
2016 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of total shares authorized	12.50%
Shares authorized (in shares)	2,356,426
Shares granted (in shares)	0

XML

Loss Per Share (Details Narrative) - shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Weighted average number of common shares outstanding: Basic and Diluted (in shares)	405,169	405,169
Antidilutive securities excluded from computation of loss per share (in shares)	3,083,284	3,068,358

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Loss Per Share - Schedule of Calculation of Numerator and Denominator in Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Net loss attributable to common shareholders	$ (17,426)	$ (496,981)
Weighted average Common Shares outstanding at December 31, 2017 and December 31, 2016 - basic and diluted (in shares)	405,169	405,169
Net loss attributable to common shareholders - basic and diluted (in dollars per share)	$ (0.04)	$ (1.23)

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Dividends/Distributions (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Distributions Made to Members or Limited Partners [Abstract]
Dividends	$ 0	$ 0

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Income Taxes (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 571,000	$ 915,000
Total loss carryovers	2,510,000
Net operating loss carryovers available without restriction	1,859,000
Operating loss carryforwards subject to limitations per year	$ 72,400
Operating loss carryforwards subject to limitations, year	9 years
Operating loss carryforwards subject to limitations total	$ 651,600
Net loss carryovers with restriction	$ 10,642,000

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Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Deferred benefit	$ (6)	$ (40)
Change in deferred rate	350	156
Change in valuation allowance	(344)	(116)
Total tax provision	$ 0	$ 0
Deferred tax rate	21.00%	34.00%	40.00%

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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Benefit at Federal statutory rate	$ (6)	$ (40)
Change in deferred rate	350	156
Change in valuation allowance	(344)	(116)
Total tax provision	$ 0	$ 0
Deferred tax rate	21.00%	34.00%	40.00%

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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 571	$ 915
Valuation allowance	(571)	(915)
Net deferred tax assets	$ 0	$ 0

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Income taxes - Schedule of Operating Loss Carryovers (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Operating Loss Carryforwards [Line Items]
Total loss carryovers	$ 2,510
Year Expiring - 2027 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	1,551
Year Expiring - 2028 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	364
Year Expiring - 2029 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	248
Year Expiring - 2030 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	81
Year Expiring - 2031 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	52
Year Expiring - 2032 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	39
Year Expiring - 2033 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	61
Year Expiring - 2034 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	54
Year Expiring - 2035 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	57
Year Expiring - 2036 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	68
Year Expiring - 2037 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	95
Year Expiring - 2038 [Member]
Operating Loss Carryforwards [Line Items]
Total loss carryovers	$ (160)

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Related Party Transactions (Details) - USD ($)		1 Months Ended	12 Months Ended
	Dec. 08, 2016	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Accounts payable - related party		$ 316,103	$ 316,103	$ 316,103
Equity investment in Pillarstone Capital REIT Operating Partnership LP		14,776	0	14,776
Distributions from equity method investment			290,089	0
Equity in income of Pillarstone Capital REIT Operating Partnership LP			275,313	14,776
Distribution from equity method investment, total return on investment			378,969
Negative equity investment in Pillarstone Capital REIT Operating Partnership LP		0	88,880	0
Pillarstone OP [Member]
Related Party Transaction [Line Items]
Equity investment in Pillarstone Capital REIT Operating Partnership LP	$ 4,121,312	14,776	$ (88,880)	$ 14,776
Ownership percentage			18.60%
Distributions from equity method investment		$ 4,121,321	$ 378,969
Pillarstone Variable Interest Entity [Member]
Related Party Transaction [Line Items]
Consideration, limited partnership interest (in dollars per share)	$ 1.331
Purchase unit agreement, amount	$ 3,000,000
Purchase unit agreement, share price (in dollars per share)	$ 1.331
Purchase agreement term	2 years
Accounts Payable [Member]
Related Party Transaction [Line Items]
Concentration risk			77.00%	92.00%
General and Administrative Expense [Member]
Related Party Transaction [Line Items]
Concentration risk				64.30%

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Commitments and Contingencies (Details Narrative)	12 Months Ended
	Dec. 31, 2017 USD ($) shares
Loss Contingencies [Line Items]
Rent expense	$ 12,634
James C. Mastandrea [Member]
Loss Contingencies [Line Items]
Officers' Compensation	$ 60,000
Initial term of CEO's employment, Duration	2 years
Terms of employment extension, Duration	1 year
Period of time after termination the officer will be entitled to his effective salary	3 years
Stock Issued During Period, Value, Other	$ 100,000
Stock Issued During Period, Shares, Other | shares	44,444
John J. Dee [Member]
Loss Contingencies [Line Items]
Period of time after termination the officer will be entitled to his effective salary	3 years
Per hour compensation rate	$ 125
Maximum monthly compensation rate issued	$ 5,000

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Commitments and Contingencies - Summary of Minimum Future Rents Payable (Details)	Dec. 31, 2017 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2018	$ 14,178
2019	14,604
2020	7,410
Total	$ 36,192

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Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 915,000	$ 1,031,000	$ 1,004,000
Charged to Costs and Expense	(344,000)	(116,000)	27,000
Deductions from Reserves	0	0	0
Balance at End of Year	$ 571,000	$ 915,000	$ 1,031,000

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Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017
Initial Cost
Land			$ 15,549
Building and Improvements			63,208
Costs Capitalized Subsequent to Acquisition
Improvements (net)			16,389
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			15,549
Building and Improvements			79,597
Total	$ 92,338	$ 0	95,146
Accumulated Depreciation			35,980
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at beginning of period	92,338	0
Additions during the period:
Acquisitions	2,550	92,338
Improvements	1,265	0
Real estate, total additions	3,815	92,338
Deductions - cost of real estate sold or retired	(1,007)	0
Balance at close of period	95,146	$ 92,338
Aggregate cost of real estate for federal income tax purposes			84,646
9101 LBJ Freeway [Member]
Initial Cost
Land			1,597
Building and Improvements			6,078
Costs Capitalized Subsequent to Acquisition
Improvements (net)			1,128
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			1,597
Building and Improvements			7,206
Total	8,803		8,803
Accumulated Depreciation			2,634
Additions during the period:
Balance at close of period	$ 8,803
9101 LBJ Freeway [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
9101 LBJ Freeway [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Corporate Park Northwest [Member]
Initial Cost
Land			1,534
Building and Improvements			6,306
Costs Capitalized Subsequent to Acquisition
Improvements (net)			2,268
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			1,534
Building and Improvements			8,574
Total	$ 10,108		10,108
Accumulated Depreciation			3,679
Additions during the period:
Balance at close of period	$ 10,108
Corporate Park Northwest [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Corporate Park Northwest [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Corporate Park West [Member]
Initial Cost
Land			2,555
Building and Improvements			10,267
Costs Capitalized Subsequent to Acquisition
Improvements (net)			1,615
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			2,555
Building and Improvements			11,882
Total	$ 14,437		14,437
Accumulated Depreciation			4,959
Additions during the period:
Balance at close of period	$ 14,437
Corporate Park West [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Corporate Park West [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Corporate Park Woodland [Member]
Initial Cost
Land			652
Building and Improvements			5,330
Costs Capitalized Subsequent to Acquisition
Improvements (net)			830
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			652
Building and Improvements			6,160
Total	$ 6,812		6,812
Accumulated Depreciation			3,331
Additions during the period:
Balance at close of period	$ 6,812
Corporate Park Woodland [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Corporate Park Woodland [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Corporate Park Woodland II [Member]
Initial Cost
Land			2,758
Building and Improvements			0
Costs Capitalized Subsequent to Acquisition
Improvements (net)			26
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			2,758
Building and Improvements			26
Total	$ 2,784		2,784
Accumulated Depreciation			5
Additions during the period:
Balance at close of period	$ 2,784
Corporate Park Woodland II [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Corporate Park Woodland II [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Dairy Ashford [Member]
Initial Cost
Land			226
Building and Improvements			1,211
Costs Capitalized Subsequent to Acquisition
Improvements (net)			49
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			226
Building and Improvements			1,260
Total	$ 1,486		1,486
Accumulated Depreciation			686
Additions during the period:
Balance at close of period	$ 1,486
Dairy Ashford [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Dairy Ashford [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Holly Hall Industrial Park [Member]
Initial Cost
Land			608
Building and Improvements			2,516
Costs Capitalized Subsequent to Acquisition
Improvements (net)			395
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			608
Building and Improvements			2,911
Total	$ 3,519		3,519
Accumulated Depreciation			1,356
Additions during the period:
Balance at close of period	$ 3,519
Holly Hall Industrial Park [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Holly Hall Industrial Park [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Holly Knight [Member]
Initial Cost
Land			320
Building and Improvements			1,293
Costs Capitalized Subsequent to Acquisition
Improvements (net)			402
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			320
Building and Improvements			1,695
Total	$ 2,015		2,015
Accumulated Depreciation			1,090
Additions during the period:
Balance at close of period	$ 2,015
Holly Knight [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Holly Knight [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Interstate 10 Warehouse [Member]
Initial Cost
Land			208
Building and Improvements			3,700
Costs Capitalized Subsequent to Acquisition
Improvements (net)			495
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			208
Building and Improvements			4,195
Total	$ 4,403		4,403
Accumulated Depreciation			2,852
Additions during the period:
Balance at close of period	$ 4,403
Interstate 10 Warehouse [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Interstate 10 Warehouse [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Main Park [Member]
Initial Cost
Land			1,328
Building and Improvements			2,721
Costs Capitalized Subsequent to Acquisition
Improvements (net)			1,113
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			1,328
Building and Improvements			3,834
Total	$ 5,162		5,162
Accumulated Depreciation			1,957
Additions during the period:
Balance at close of period	$ 5,162
Main Park [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Main Park [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Plaza Park [Member]
Initial Cost
Land			902
Building and Improvements			3,294
Costs Capitalized Subsequent to Acquisition
Improvements (net)			1,141
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			902
Building and Improvements			4,435
Total	$ 5,337		5,337
Accumulated Depreciation			2,352
Additions during the period:
Balance at close of period	$ 5,337
Plaza Park [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Plaza Park [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Uptown Tower [Member]
Initial Cost
Land			1,621
Building and Improvements			15,551
Costs Capitalized Subsequent to Acquisition
Improvements (net)			4,794
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			1,621
Building and Improvements			20,345
Total	$ 21,966		21,966
Accumulated Depreciation			7,384
Additions during the period:
Balance at close of period	$ 21,966
Amount of encumbrances			16,500
Uptown Tower [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Uptown Tower [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Westbelt Plaza [Member]
Initial Cost
Land			568
Building and Improvements			2,165
Costs Capitalized Subsequent to Acquisition
Improvements (net)			958
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			568
Building and Improvements			3,123
Total	$ 3,691		3,691
Accumulated Depreciation			1,981
Additions during the period:
Balance at close of period	$ 3,691
Westbelt Plaza [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Westbelt Plaza [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Westgate Service Center [Member]
Initial Cost
Land			672
Building and Improvements			2,776
Costs Capitalized Subsequent to Acquisition
Improvements (net)			1,175
Carrying Costs			0
Gross Amount at which Carried at End of Period
Land			672
Building and Improvements			3,951
Total	$ 4,623		4,623
Accumulated Depreciation			1,714
Additions during the period:
Balance at close of period	$ 4,623
Westgate Service Center [Member] | Minimum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Westgate Service Center [Member] | Maximum [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Various Pillarstone Properties [Member]
Additions during the period:
Amount of encumbrances			$ 37,000