Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Mar. 31, 2015
Payables and Accruals [Abstract]    
Accrued employee compensation and related expenses $ 7,410 $ 11,040
Customer prepayment 284 633
Warranty reserve 349 429
Professional fees 1,390 1,568
Sales tax payable 1,669 1,058
Other 1,692 2,689
Total accrued current liabilities $ 12,794 $ 17,417