Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Mar. 31, 2015
Payables and Accruals [Abstract]    
Accrued employee compensation and related expenses $ 8,653 $ 11,040
Customer prepayment 471 633
Warranty reserve 365 429
Professional fees 1,406 1,568
Sales tax payable 1,183 1,058
Other 1,029 2,689
Total accrued current liabilities $ 13,107 $ 17,417