CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Rental revenues	$ 4,062	$ 3,715	$ 1,862
Total revenues	4,062	3,715	1,862
Operating Expenses
Property operating expenses	5,328	1,904	850
Real estate taxes	328	321	467
General and administrative	5,349	5,492	5,375
Pension related costs	733	236	203
Transaction related costs	167	382	83
Depreciation and amortization	2,977	2,463	544
Costs relating to demolished asset	0	0	3,426
Total operating expenses	14,882	10,798	10,948
Gain on sale of real estate	9,521	0	3,853
Equity in net loss from unconsolidated joint venture	(819)	(728)	(1,057)
Interest income, net	67	212	215
Reduction of claims liability	0	0	1,043
Loss before taxes	(2,051)	(7,599)	(5,032)
Tax (expense) benefit	(128)	(290)	3,011
Net loss attributable to common stockholders	(2,179)	(7,889)	(2,021)
Other comprehensive gain (loss):
Unrealized gain (loss) on pension liability	344	(786)	429
Comprehensive loss attributable to common stockholders	$ (1,835)	$ (8,675)	$ (1,592)
Loss per share - basic and diluted	$ (0.07)	$ (0.25)	$ (0.07)
Weighted average number of common shares - basic and diluted	31,915	31,607	30,451