Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Additional Information (Details)

v3.7.0.1
Intangible Assets, Net - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Goodwill And Intangible Assets Disclosure [Abstract]        
Amortization expense $ 11,000 $ 8,000 $ 22,000 $ 17,000