Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

v3.8.0.1
Income Taxes (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 22, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax [Line Items]        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00%   34.00% 34.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent     3.96% 3.96%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent     37.96% 37.96%
Valuation Allowance, Deferred Tax Asset, Change in Amount     $ 12,109 $ (14,733)
Deferred Tax Assets, Valuation Allowance     45,598 57,707
Operating Loss Carryforwards     $ 156,400  
Operating Loss Carryforwards Expire Date     2037  
Effective Income Tax Rate Reconciliation, Percent     21.00%  
Income Tax Expense (Benefit)     $ 0 $ 0
Scenario, Plan [Member]        
Income Tax [Line Items]        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   21.00%