Annual report pursuant to section 13 and 15(d)

Accounts Receivable (Detail)

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Accounts Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Billed $ 434 $ 709
Unbilled 1,691 589
Less: allowance for doubtful accounts (130) (108)
Net Accounts receivable $ 1,995 $ 1,190