XML 61 R50.htm IDEA: XBRL DOCUMENT v3.7.0.1
Property and Equipment, Net (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Property, Plant and Equipment [Abstract]        
Depreciation and amortization expense $ 1,421,000 $ 593,000 $ 2,036,000 $ 1,215,000