Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	34.00%	34.00%	34.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	3.96%	3.96%	3.96%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	37.96%	37.96%	37.96%
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 14,733	$ 14,071
Deferred Tax Assets, Valuation Allowance	57,707	$ 42,974
Operating Loss Carryforwards	$ 133,300
Operating Loss Carryforwards Expire Date		2035