CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($) shares in Thousands, $ in Thousands		3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Nov. 23, 2019	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	[1]	Dec. 31, 2019	[1]
Revenues
Rental revenues		$ 967	$ 577	$ 447	$ 1,024	$ 1,991	$ 3,225	$ 1,563		$ 4,631
Other income		30	256	46	302	332	355	263		0
Sale of residential condominium units		1,428				1,428	23,685	0		0
Total revenues		2,425	833	493	1,326	3,751	27,265	1,826		4,631
Operating Expenses
Property operating expenses		897	1,888		3,795	4,692	5,583	9,120		7,140
Real estate taxes		271	79	79	158	429	724	254		510
General and administrative		1,440	1,387	1,243	2,630	4,070	5,133	5,217		5,677
Pension related costs		158	162	163	325	483	67	345		733
Cost of sale - residential condominium units		1,395				1,395	22,370	0		0
Transaction related costs							0	133		167
Depreciation and amortization		1,001	1,000	1,000	2,000	3,001	4,003	3,907		4,118
Total operating expenses		5,162	4,516	4,392	8,908	14,070	37,880	18,976		18,345
Gain on sale of school condominium							0	24,196		0
Gain on sale of real estate	$ (9,500)						0	0		9,521
Operating (loss) income		(2,737)	(3,683)	(3,899)	(7,582)	(10,319)	(10,615)	7,046		(4,193)
Equity in net loss from unconsolidated joint ventures			(264)	(372)	(636)	(636)	(555)	(1,571)		(819)
Unrealized gain on warrants		1,718	67	(1,977)	(1,910)	(192)	73	965		0
Interest expense, net		(2,367)	(1,772)	(875)	(2,647)	(5,014)	(7,922)	(1,540)		(113)
Interest expense - amortization of deferred finance costs		(269)	(683)	(261)	(944)	(1,213)	(1,521)	(261)		(39)
(Loss) income before taxes		(3,655)	(6,335)	(7,384)	(13,719)	(17,374)	(20,540)	4,639		(5,164)
Tax expense		47	(99)	(35)	(134)	(87)	(265)	(306)		(128)
Net (loss) income attributable to common stockholders		(3,608)	(6,434)	(7,419)	(13,853)	(17,461)	(20,805)	4,333		(5,292)
Other comprehensive (loss) income:
Unrealized gain on pension liability		119	118	119	237	356	816	1,015		344
Comprehensive (loss) income attributable to common stockholders		$ (3,489)	$ (6,316)	$ (7,300)	$ (13,616)	$ (17,105)	$ (19,989)	$ 5,348		$ (4,948)
(Loss) income per share - basic		$ (0.11)	$ (0.20)	$ (0.23)	$ (0.42)	$ (0.53)	$ (0.62)	$ 0.13		$ (0.17)
(Loss) income per share - diluted		$ (0.11)	$ (0.20)	$ (0.23)	$ (0.42)	$ (0.53)	$ (0.62)	$ 0.13		$ (0.17)
Weighted average number of common shares - basic		32,756	32,694	32,591	32,643	32,681	33,322	32,305		31,915
Weighted average number of common shares - diluted		32,756	32,694	32,591	32,643	32,681	33,322	32,860		31,915

[1] Amounts are revised. See Note 3 for more information.