Quarterly report pursuant to Section 13 or 15(d)

Deferred Revenue (Details)

v3.8.0.1
Deferred Revenue (Details) - USD ($)
$ in Thousands
9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2017
Deferred Revenue      
Increase in balance of deferred revenue $ 200    
Increase in deposits 300    
Change in balance attributed to FPP contracts 181 $ 212  
Changes in deferred revenue      
Deferred revenue balance, end of the period 5,232   $ 5,050
FPP agreements      
Deferred Revenue      
Change in balance attributed to FPP contracts (100)    
Changes in deferred revenue      
FPP Balance, beginning of the period 3,414    
FPP Billings 10,985    
FPP Revenue recognized (11,055)    
Balance attributed to FPP contracts 3,344    
Deposits 1,888    
Deferred revenue balance, end of the period $ 5,232