INCOME TAXES - Composition of our deferred tax assets and liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Charitable contributions	$ 7	$ 7
Net operating loss carry forwards	91,578	88,212
Depreciation (including air rights)		5,698
Lease liability	40	210
Other	144	209
Investment in joint ventures		2
Accrued expenses		389
Total deferred tax assets	91,769	94,727
Valuation allowance	(90,228)	(91,284)
Deferred tax asset after valuation allowance	1,541	3,443
Deferred tax liabilities:
Intangibles		(2,436)
Investment in joint venture	(326)
Other	(230)	(235)
Pension costs	(948)	(474)
Right-of-use asset	(37)	(298)
Total deferred tax liabilities	(1,541)	(3,443)
Net deferred tax assets	0	0
Current deferred tax assets	0	0
Long-term deferred tax assets	0	0
Total deferred tax assets	$ 0	$ 0