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
Jun. 30, 2013
Mar. 31, 2013
Jun. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Billed $ 3,243   $ 590
Unbilled 1,647   537
Less: allowance for doubtful accounts (142)   (108)
Net Accounts receivable $ 4,748 $ 1,995 $ 1,019