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Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Tax Disclosure [Line Items]        
Income Tax Expense (Benefit) $ 200 $ (2,222) $ (1,795) $ (106)
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]        
Income Tax Disclosure [Line Items]        
Effective Tax Rate, Percent     4.50% (2.50%)
Income Tax Expense (Benefit)       $ (100)
Income taxes audit, tax years     2017  
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Change in Valuation Allowance on Deferred Tax Assets [Member]        
Income Tax Disclosure [Line Items]        
Income Tax Expense (Benefit)     $ (1,800)