Income Taxes (Details 1) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred income tax assets:
Bad debt reserve	$ 701	$ 543
Accrued expenses	1,093	2,629
State taxes	80	91
Charitable contributions	173	189
Net operating loss	49,055	46,632
ROU assets	521
Lease liability	(474)
Stock options and restricted stock	520	519
Depreciation	5,241	6,209
Total deferred income tax assets	56,910	56,812
Valuation allowance	(44,756)	(41,187)
DEFERRED INCOME TAX ASSETS, NET	$ 12,154	$ 15,625