Annual report pursuant to Section 13 and 15(d)

Accrued Warranty Reserve (Details)

v3.19.2
Accrued Warranty Reserve (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Accrued Warranty Reserve      
Balance, beginning of the period $ 1,682 $ 3,766  
Standard warranty provision 2,200 1,702  
Accrual related to reliability repair programs   (760)  
Deductions for warranty claims (1,268) (3,026)  
Balance, end of the period 2,614 1,682 $ 3,766
Product Warranty Expense $ 2,201 $ 942  
C200      
Accrued Warranty Reserve      
Product Warranty Expense     5,200
Non-C200      
Accrued Warranty Reserve      
Product Warranty Expense     $ 600