Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY, Combined Activity and Value of Non-vested Options (Details)

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SHAREHOLDERS' EQUITY, Combined Activity and Value of Non-vested Options (Details) - USD ($)
 12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Weighted Average Grant Date Fair Value [Abstract]    
Forfeited (in dollars per share) $ 4.60 $ 4.41
Stock Options, Additional Disclosure [Abstract]    
Fair value of options vested $ 297,100 $ 210,700
Weighted average grant date fair value of options granted (in dollars per share) $ 4.60 $ 4.41
Share-based compensation expense $ 336,228 $ 324,840
Unrecognized compensation expenses $ 284,000  
Weighted-average period for options expected to vest 3 years  
2004 Incentive Plan and 2014 Equity Plan [Member]    
Number of Options [Roll Forward]    
Non-vested options outstanding, beginning of period (in shares) 155,833  
Granted (in shares) 82,500 82,500
Vested (in shares) (85,833)  
Forfeited (in shares) 0  
Non-vested options outstanding, end of period (in shares) 152,500 155,833
Weighted Average Grant Date Fair Value [Abstract]    
Non-vested options outstanding, beginning of period (in dollars per share) $ 3.76  
Granted (in dollars per share) 4.60  
Vested (in dollars per share) 3.46  
Forfeited (in dollars per share) 0  
Non-vested options outstanding, end of period (in dollars per share) 4.03 $ 3.76
Stock Options, Additional Disclosure [Abstract]    
Weighted average grant date fair value of options granted (in dollars per share) $ 0