INCOME TAXES (Details 2) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Pension costs	$ 602	$ 1,008
Stock-based compensation reserves not currently deductible	0	(147)
Net operating loss carry forwards	53,901	56,462
Depreciation (including air rights)	5,756	1,796
Other	163	0
Deferred gain on sale	4,987	0
Investment in joint venture	355	254
Accrued expenses	178	220
Total deferred tax assets	65,942	59,593
Valuation allowance	(62,127)	(59,469)
Deferred tax asset after valuation allowance	3,815	124
Deferred tax liabilities:
Intangibles	(3,525)	(124)
Other	(290)	0
Total deferred tax liabilities	(3,815)	(124)
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