Restatement and Revision of Previously Issued Consolidated Financial Statements - Income Statement (Details - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2022		Mar. 31, 2021
Revenues
Rental revenues		$ 1,260	[1]	$ 447	[2]
Other income		16	[1]	46	[2]
Sale of residential condominium units	[1]	6,069
Total revenues		7,345	[1]	493	[2]
Operating Expenses
Property operating expenses		804	[1]	1,907	[2]
Real estate taxes		390	[1]	79	[2]
General and administrative		1,502	[1]	1,243	[2]
Pension related costs		158	[1]	163	[2]
Cost of sale - residential condominium units	[1]	5,721
Depreciation and amortization		1,003	[1]	1,000	[2]
Total operating expenses		9,578	[1]	4,392	[2]
Operating loss		(2,233)	[1]	(3,899)	[2]
Equity in net income (loss) from unconsolidated joint ventures	[1]	746		(372)	[2]
Unrealized loss on warrants	[1]	(369)		(1,977)	[2]
Interest expense, net		(2,769)	[1]	(875)	[2]
Interest expense - amortization of deferred finance costs		(436)	[1]	(261)	[2]
Loss before taxes		(5,061)	[1]	(7,384)	[2]
Tax expense		(70)	[1]	(35)	[2]
Net loss attributable to common stockholders		(5,131)	[1]	(7,419)	[2]
Other comprehensive loss:
Unrealized gain on pension liability		119	[1]	119	[2]
Comprehensive loss attributable to common stockholders		$ (5,012)	[1]	$ (7,300)	[2]
Loss per share - basic		$ (0.14)	[1]	$ (0.23)	[2]
Loss per share - diluted		$ (0.14)		$ (0.23)
Weighted average number of common shares - basic		37,104	[1]	32,591	[2]
Weighted average number of common shares - diluted		37,104		32,591
Previously Reported
Revenues
Rental revenues		$ 1,260		$ 299
Other income		16		46
Sale of residential condominium units		6,278
Total revenues		7,554		345
Operating Expenses
Property operating expenses		548		1,655
Real estate taxes		74		20
General and administrative		1,139		1,203
Pension related costs		158		163
Cost of sale - residential condominium units		6,273
Depreciation and amortization		1,003		715
Total operating expenses		9,195		3,756
Operating loss		(1,641)		(3,411)
Equity in net income (loss) from unconsolidated joint ventures		746		(372)
Unrealized loss on warrants		(369)		(1,977)
Interest expense, net		(802)		(601)
Interest expense - amortization of deferred finance costs		(402)		(193)
Loss before taxes		(2,468)		(6,554)
Tax expense		(70)		(35)
Net loss attributable to common stockholders		(2,538)		(6,589)
Other comprehensive loss:
Unrealized gain on pension liability		119		119
Comprehensive loss attributable to common stockholders		$ (2,419)		$ (6,470)
Loss per share - basic		$ (0.07)		$ (0.20)
Loss per share - diluted		$ (0.07)
Weighted average number of common shares - basic		37,104		32,591
Weighted average number of common shares - diluted		37,104
Revision/Restatement Impact
Other comprehensive loss:
Loss per share - diluted		$ (0.07)
Weighted average number of common shares - diluted		37,104
Error Related to Classification of Real Estate Under Development
Other comprehensive loss:
Loss per share - diluted				$ (0.21)
Weighted average number of common shares - diluted				32,591
Error Related to Classification of Real Estate Under Development | Previously Reported
Other comprehensive loss:
Loss per share - diluted				$ (0.20)
Error Related to Classification of Real Estate Under Development | Revision/Restatement Impact
Revenues
Rental revenues				$ 148
Sale of residential condominium units		$ (209)
Total revenues		(209)		148
Operating Expenses
Property operating expenses		256		252
Real estate taxes		316		59
General and administrative		363		40
Cost of sale - residential condominium units		(552)
Depreciation and amortization				285
Total operating expenses		383		636
Operating loss		(592)		(488)
Interest expense, net		(1,967)		(274)
Interest expense - amortization of deferred finance costs		(34)		(68)
Loss before taxes		(2,593)		(830)
Net loss attributable to common stockholders		(2,593)		(830)
Other comprehensive loss:
Comprehensive loss attributable to common stockholders		$ (2,593)		$ (830)
Loss per share - basic		$ (0.07)		$ (0.03)
Loss per share - diluted				$ (0.01)
Weighted average number of common shares - basic		37,104		32,591

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

[2] Amounts are Revised. See Note 3 for more information.