CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Rental revenues	$ 2,600	$ 993	$ 4,062
Other income	355	263	0
Sale of residential condominium units	24,802	0	0
Total revenues	27,757	1,256	4,062
Operating Expenses
Property operating expenses	7,409	8,166	5,328
Real estate taxes	74	79	328
General and administrative	4,492	4,955	5,349
Pension related costs	67	345	733
Cost of sale - residential condominium units	24,432	0	0
Transaction related costs	5	133	167
Depreciation and amortization	2,864	2,768	2,977
Total operating expenses	39,343	16,446	14,882
Gain on sale of school condominium	0	24,196	0
Gain on sale of real estate	0	0	9,521
Operating (loss) income	(11,586)	9,006	(1,299)
Equity in net loss from unconsolidated joint ventures	(555)	(1,571)	(819)
Unrealized gain on warrants	73	965	0
Interest (expense) income, net	(3,007)	(1,398)	67
Interest expense - amortization of deferred finance costs	(1,134)	(202)	0
(Loss) income before taxes	(16,209)	6,800	(2,051)
Tax expense	(265)	(306)	(128)
Net (loss) income attributable to common stockholders	(16,474)	6,494	(2,179)
Other comprehensive income (loss):
Unrealized gain on pension liability	816	1,015	344
Comprehensive (loss) income attributable to common stockholders	$ (15,658)	$ 7,509	$ (1,835)
(Loss) income per share - basic	$ (0.49)	$ 0.20	$ (0.07)
(Loss) income per share - diluted	$ (0.49)	$ 0.20	$ (0.07)
Weighted average number of common shares - basic	33,322	32,305	31,915
Weighted average number of common shares - diluted	33,322	32,860	31,915