XML 49 R39.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Income Tax Disclosure [Abstract]        
U.S Federal statutory rate     34.00%  
Income tax expense $ 52 $ 11 $ 93 $ 48
Pre-tax income (loss) $ 3,734 $ (1,114) $ 7,232 $ (6,944)
Effective tax rate 1.40% 1.00% 1.30% 0.70%