Annual report pursuant to Section 13 and 15(d)

Accrued Liabilities, Other Current Liabilities and Other Liabilities (Details) - Schedule of Accrued liabilities

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Accrued Liabilities, Other Current Liabilities and Other Liabilities (Details) - Schedule of Accrued liabilities - USD ($)
$ in Thousands
Jul. 31, 2017
Jul. 31, 2016
Schedule of Accrued liabilities [Abstract]    
Payroll, benefits, severance and commissions $ 4,092 $ 3,956
Legal 442 954
Professional fees 599 503
Research and development 143 300
Other 1,444 2,498
$ 6,720 $ 8,211