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Note Payable (Details Textual) - Secured Term Loan Due September 2015 [Member]
$ in Millions
12 Months Ended
Jul. 31, 2015
USD ($)
Debt Instrument [Line Items]  
Debt instrument face value $ 11.0
Debt Instruments Maturity Period Sep. 01, 2015
Debt instrument stated interest rate percentage 5.60%
Reduction in the final balloon payment $ 6.4