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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Income Tax Disclosure [Abstract]          
Unrecognized tax benefits $ 500   $ 500   $ 500
Unrecognized interest or penalties  
Accrued interest and penalties