Annual report pursuant to Section 13 and 15(d)

Loan Payable (Details)

v3.10.0.1
Loan Payable (Details) - USD ($)
12 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2016
Debt Disclosure [Abstract]      
Line of Credit Facility, Maximum Borrowing Capacity $ 8,000,000    
Line of Credit Facility Additional Borrowings Capacity 4,000,000    
Unamortized Debt Issuance Expense $ 281,000    
Unamortized Debt Issuance Cost Included in Prepaid Expenses   $ 0 $ 28
Nominal Interest Rate   5.25% 5.25%
Debt Instrument, Interest Rate During Period   14.30% 11.40%
Line of Credit Facility Expiration Month and Year December7, 2016