CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income attributable to common stockholders	$ (20,690)	$ (20,805)	$ 4,333
Adjustments to reconcile net loss attributable to common stockholders to net cash used in operating activities:
Depreciation and amortization and amortization of deferred finance costs	6,471	5,524	4,168
Other non-cash adjustment - paid-in-kind interest	4,651	1,850
Stock-based compensation expense	553	530	806
Gain on sale of school condominium			(24,196)
Gain on sale of joint venture real estate	(4,490)
Deferred rents receivable	(49)	(24)	(84)
Other non-cash adjustments - pension expense		816	1,015
Unrealized gain on warrants	(1,070)	(73)	(965)
Equity in net (income) loss from unconsolidated joint ventures	(804)	555	1,571
Distributions from unconsolidated joint ventures	1,428	885	1,110
Decrease (increase) in operating assets:
Residential condominium units for sale	15,600	(11,450)	(46,473)
Receivables	(178)	882	2,392
Prepaid expenses and other assets, net	(1,783)	(257)	190
Increase (decrease) in operating liabilities:
Accounts payable and accrued expenses	1,712	1,617	1,285
Pension liability		(1,288)	(1,033)
Net cash provided by (used in) operating activities	1,351	(21,238)	(55,881)
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to real estate	(93)	(140)	(4,279)
Investments in unconsolidated joint ventures			(5,383)
Net proceeds from sale of unconsolidated joint venture	17,418
Net cash provided by (used in) investing activities	17,325	(140)	(9,662)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from loans and corporate credit facility	30,239	249,984	86,361
Proceeds from secured line of credit	500	8,200	5,000
Payment of finance costs		(6,552)	(1,497)
Repayment of loans	(48,415)	(225,547)	(23,368)
Repayment of secured line of credit	(3,500)	(3,200)	(2,500)
Settlement of stock awards	(290)	(370)	(695)
Stock buy-back			(359)
Sale of common stock, net		7,639
Net cash (used in) provided by financing activities	(21,466)	30,154	62,942
NET DECREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(2,790)	8,776	(2,601)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	24,845	16,069	18,670
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	22,055	24,845	16,069
CASH AND CASH EQUIVALENTS, BEGINNING PERIOD	4,310	6,515	9,196
RESTRICTED CASH, BEGINNING OF PERIOD	20,535	9,554	9,474
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	24,845	16,069	18,670
CASH AND CASH EQUIVALENTS, END OF PERIOD	1,548	4,310	6,515
RESTRICTED CASH, END OF PERIOD	20,507	20,535	9,554
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	22,055	24,845	16,069
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for: Interest	12,711	16,042	15,495
Cash paid during the period for: Taxes	381	395	251
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Capitalized amortization of deferred financing costs and warrants	1,572	3,193	2,668
Capitalized stock-based compensation expense	44	122	299
Unrealized loss on pension liability	$ (2,283)
Loan forgiveness		$ 243
Investment in unconsolidated joint venture			$ 5,193