Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Jul. 31, 2018

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses are summarized in the following table (in thousands):

	July 31, 2018		July 31, 2017
Accounts Payable	$	417	$	403
Accrued Interest		1,223		1,003
Accrued Warranty		12		12
Accrued Other		7		7
Total	$	1,659	$	1,425