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INCOME TAXES (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Deferred income tax expense $ (67,000) $ (109,000) $ (115,000)
Excess tax benefit from equity-based compensation $ 0 0 $ 53,000
Decrease in deferred tax assets   $ 264,000  
Increase in effective tax rate 0.00% 1.00% 0.00%