Quarterly report pursuant to sections 13 or 15(d)

Accounts Receivable (Detail)

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Accounts Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Mar. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Billed $ 3,923 $ 434
Unbilled 2,022 1,691
Less: allowance for doubtful accounts (130) (130)
Net Accounts receivable $ 5,815 $ 1,995