Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Mar. 31, 2014
Payables and Accruals [Abstract]    
Accrued employee compensation and related expenses $ 7,435 $ 5,043
Customer prepayment 477 1,235
Warranty reserve 350 645
Professional fees 1,631 1,250
Sales tax payable 1,483 707
Other 1,050 989
Total accrued current liabilities $ 12,426 $ 9,869