Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Revenues, Operating Loss, Long-Lived Assets By Geographic Area (Details) (Parenthetical)

v3.8.0.1
Segment Information - Summary of Revenues, Operating Loss, Long-Lived Assets By Geographic Area (Details) (Parenthetical)
3 Months Ended
Mar. 31, 2018
USD ($)
Segment Reporting [Abstract]  
Non-cash impairment charges $ 1,700,000