CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss available to common stockholders	$ (3,909)	$ (4,753)
Adjustments to reconcile net loss available to common stockholders to net cash used in operating activities:
Depreciation and amortization	394	334
Amortization of deferred finance costs	345	60
Write-off of costs relating to demolished asset	1,585	0
Stock-based compensation expense	922	1,856
Gain on sale of real estate	(3,853)	0
Deferred rents receivable	(34)	(296)
Reduction of claims liability	0	(135)
Equity in net loss from unconsolidated joint venture	804	0
Distribution of cumulative earnings from unconsolidated joint venture	344	0
(Increase) decrease in operating assets:
Restricted cash, net	(731)	(102)
Receivables, net	75	(208)
Prepaid expenses and other assets, net	(1,057)	(81)
Decrease in operating liabilities:
Accounts payable and accrued expenses	(886)	450
Pension liabilities	(1,069)	(1,184)
Obligation to former Majority Shareholder	0	(6,931)
Net cash used in operating activities	(7,070)	(10,990)
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to real estate	(7,080)	(12,183)
Investment in unconsolidated joint venture	(69)	0
Net proceeds from the sale of real estate	15,232	0
Restricted cash	(8,100)	(3,444)
Net cash used in investing activities	(17)	(15,627)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from loan, net	0	8,651
Deferred finance costs	(702)	0
Settlement of stock awards	(2,574)	(1,967)
Net proceeds from sale of common stock	40,561	0
Net cash provided by financing activities	37,285	6,684
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	30,198	(19,933)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	4,678	38,173
CASH AND CASH EQUIVALENTS, END OF PERIOD	34,876	18,240
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for: Interest	1,810	1,526
Cash paid during the period for: Taxes	37	38
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Adjustment to accumulated deficit for capitalized stock-based compensation expense	0	(541)
Accrued development costs included in accounts payable and accrued expenses	2,943	(1,149)
Capitalized amortization of deferred financing costs	178	258
Stock Compensation Plan [Member]
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Adjustment of liability related to stock-based compensation	0	(5,140)
Real Estate [Member]
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Capitalized stock-based compensation expense	$ 1,326	$ 4,077