Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 31, 2017	Jul. 31, 2016
Summary of accrued expenses
Accrued compensation	$ 1,778	$ 362
Accrued professional fees	1,423	542
Accrued Interest	96
Accrued license fees	80
Accrued equipment	64	101
Accrued commissions	57
Other	4	37
TOTAL ACCRUED EXPENSES	$ 3,502	$ 1,042