Quarterly report pursuant to Section 13 or 15(d)

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

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Accrued Liabilities and Other Current Liabilities (Details) - Accrued liabilities (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2014
Jul. 31, 2013
Accrued liabilities [Abstract]    
Legal $ 3,166 $ 3,104
Payroll, benefits, and commissions 3,848 4,794
Professional fees 578 721
Research and development 712 863
Other 2,270 2,294
$ 10,574 $ 11,776