Annual report pursuant to Section 13 and 15(d)

Loan Payable (Details)

Loan Payable (Details) (USD $)
12 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Debt Disclosure [Abstract]    
Line of Credit Facility Expiration Month and Year December 2016  
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  
LIBOR Rate Period 3 months  
Debt Instrument, Description of Variable Rate Basis three month LIBOR rate, with a floor of 1.25% plus an applicable margin of 4.0%  
Debt Instrument, Basis Spread on Variable Rate 1.25%  
Debt Instrument Margin on Variable Rate 4.00%  
Debt Instrument Increase in Interest Rate on Default 3.00%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%  
Line of Credit Facility Minimum Borrowings 2,000,000  
Long-term Line of Credit 3,013,000 3,264,000
Line of Credit Facility, Remaining Borrowing Capacity $ 2,700,000