Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Taxes (Textual)
Federal net operating loss carryovers	$ 27,912
Operating loss expiry date	Dec. 31, 2022
Change in valuation allowance	$ 169	$ (4,111)
Corporate income tax rate	21.00%
Reduction in net deferred tax	$ 4,100
Provision (benefit) for income taxes	(77)	$ (18)
Federal NOL carryovers	$ 916