Accrued Expenses (Tables)

12 Months Ended

Jul. 31, 2016

Accrued Expenses [Abstract]

Summary of accrued expenses

July 31, (in thousands)	2016		2015
Accrued professional fees	$	542	$	174
Accrued compensation		362		641
Accrued equipment		101		—
Other		37		13
TOTAL ACCRUED EXPENSES	$	1,042	$	828