Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities and Other Current Liabilities (Detail) - Accrued liabilities

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Accrued Liabilities and Other Current Liabilities (Detail) - Accrued liabilities (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Jul. 31, 2012
Legal $ 3,927 $ 1,475
Payroll, benefits, and commissions 3,758 5,125
Professional fees 904 901
Research and development 701 696
Other 1,944 1,621
$ 11,234 $ 9,818