Annual report pursuant to Section 13 and 15(d)

Loan Payable (Details)

v3.5.0.2
Loan Payable (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Jul. 31, 2014
Debt Disclosure [Abstract]      
Line of Credit Facility Expiration Month and Year December2016    
Line of Credit Facility, Maximum Borrowing Capacity $ 8,000    
Line of Credit Facility Additional Borrowings Capacity 4,000    
Unamortized Debt Issuance Expense 281    
Unamortized Debt Issuance Cost Included in Prepaid Expenses $ 28 $ 111  
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%    
Nominal Interest Rate 5.25% 5.25%  
Debt Instrument Increase in Interest Rate on Default 3.00%    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%    
Debt Instrument, Interest Rate During Period 11.40% 10.50% 10.60%
Long-term Line of Credit $ 1,557 $ 3,013  
Line of Credit Facility, Remaining Borrowing Capacity 6,200    
Line of Credit Facility Minimum Borrowings 2,000    
Line of Credit Facility Minimum Liquidity Requirement 3,000    
Line of Credit Facility Minimum Liquidity Current 11,200    
Line of Credit Facility Minimum Cash Burn 0    
Line of Credit Facility Cash Burn Current $ 1,300