Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY, Non-Vested Options (Details)

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SHAREHOLDERS' EQUITY, Non-Vested Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
Stock Options [Abstract]        
Share-based compensation expense     $ 371 $ 313
2004 Incentive Plan and 2014 Equity Plan [Member]        
Number of Options [Roll Forward]        
Non-vested options outstanding, beginning of period (in shares)     218,333  
Granted (in shares)     105,000  
Vested (in shares)     (87,002)  
Forfeited (in shares)     (3,333)  
Non-vested options outstanding, end of period (in shares) 232,998   232,998  
Weighted Average Grant Date Fair Value [Abstract]        
Non-vested options outstanding, beginning of period (in dollars per share)     $ 4.04  
Granted (in dollars per share)     5.16  
Vested (in dollars per share)     4.21  
Forfeited (in dollars per share)     4.21  
Non-vested options outstanding, end of period (in dollars per share) $ 4.47   $ 4.47  
Stock Options [Abstract]        
Share-based compensation expense $ 300 $ 200 $ 400 $ 300
Unrecognized compensation expenses $ 800   $ 800  
Weighted-average period for options expected to vest     2 years 6 months