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LONG-TERM DEBT (Tables)
12 Months Ended
Jul. 31, 2017
Debt Disclosure [Abstract]  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]
The incremental value was determined using the Black-Scholes option pricing model using the following assumptions:
 
Expected Life in Years
 
 
3.98
 
Expected Annual Volatility
 
 
71.10
%
Expected Risk Free Interest Rate
 
 
1.00
%
Expected Dividend Yield
 
 
0.00
%
Schedule of Long-term Debt Instruments [Table Text Block]
At July 31, 2017, long-term debt consisted of the following:
 
 
 
July 31, 2017
 
 
July 31, 2016
 
Principal amount
 
$
20,000,000
 
 
$
20,000,000
 
Unamortized discount
 
 
(745,165)
 
 
 
(801,822)
 
Long-term debt, net of unamortized discount
 
$
19,254,835
 
 
$
19,198,178
 
Schedule of Maturities of Long-term Debt [Table Text Block]
The aggregate yearly maturities of long-term debt based on principal amounts outstanding at July 31, 2017 are as follows:
 
Fiscal 2018
 
$
-
 
Fiscal 2019
 
 
10,000,000
 
Fiscal 2020
 
 
10,000,000
 
Total
 
$
20,000,000