Annual report pursuant to Section 13 and 15(d)

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

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Accrued Liabilities, Other Current Liabilities and Other Liabilities (Detail) - Accrued liabilities (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2012
Jul. 31, 2011
Legal $ 1,475 $ 610
Payroll, benefits, severance and commissions 5,125 4,286
Research and development 696 709
Professional fees 901 782
Other 1,621 1,801
$ 9,818 $ 8,188