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
Oct. 31, 2014
Jul. 31, 2014
Accrued liabilities [Abstract]    
Payroll, benefits, and commissions $ 4,701 $ 4,959
Legal fee expense 5,469 4,721
Research and development 400 400
Professional fees 463 638
Other 2,587 2,199
$ 13,620 $ 12,917