Quarterly report pursuant to Section 13 or 15(d)

Segment and Geographic Information - Segment Geographic Information on Revenues and Long-Lived Assets by Geographic (Details)

v3.8.0.1
Segment and Geographic Information - Segment Geographic Information on Revenues and Long-Lived Assets by Geographic (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Entity Wide Revenue Major Customer [Line Items]        
Net revenues $ 27,891 $ 22,832 $ 54,011 $ 46,871
United States and Canada        
Entity Wide Revenue Major Customer [Line Items]        
Net revenues 8,292 8,811 15,485 15,480
Europe, Middle East, and Africa        
Entity Wide Revenue Major Customer [Line Items]        
Net revenues 2,351 4,047 4,885 7,805
Asia Pacific and China        
Entity Wide Revenue Major Customer [Line Items]        
Net revenues 16,193 9,558 30,948 22,954
Mexico, Central America, and South America        
Entity Wide Revenue Major Customer [Line Items]        
Net revenues $ 1,055 $ 416 $ 2,693 $ 632