Annual report pursuant to Section 13 and 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
Payables and Accruals [Abstract]    
Accrued employee compensation and related expenses $ 8,047 $ 10,970
Interest 4,703 6,162
Customer prepayment 2,197 1,518
Warranty reserve 552 857
Professional fees 1,436 1,346
Sales tax payable 175 183
Other 1,605 1,406
Total accrued current liabilities $ 18,715 $ 22,442