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INCOME TAXES (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability   $ 100 $ 100
Net deferred tax assets $ 13,484 10,704  
Increase in valuation allowance 2,800 1,900  
Gross federal and state net operating loss ("NOL") carryforwards 68,000 61,000  
Federal losses   $ (70)  
Federal      
Federal losses $ 39,000