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 ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Share-based compensation expense $ 539 $ 603
2004 Incentive Plan and 2014 Equity Plan [Member]    
Number of Options [Roll Forward]    
Non-vested options outstanding, beginning of period (in shares) 232,998 218,333
Granted (in shares) 0 105,000
Vested (in shares) (91,998) (87,002)
Forfeited (in shares) (30,000) (3,333)
Non-vested options outstanding, end of period (in shares) 111,000 232,998
Weighted Average Grant Date Fair Value [Abstract]    
Non-vested options outstanding, beginning of period (in dollars per share) $ 4.47 $ 4.04
Granted (in dollars per share) 0 5.16
Vested (in dollars per share) 4.31 4.21
Forfeited (in dollars per share) 5.16 4.21
Non-vested options outstanding, end of period (in dollars per share) $ 4.43 $ 4.47
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Fair value of options vested $ 400 $ 400
Share-based compensation expense 500 $ 600
Unrecognized compensation expenses $ 300  
Weighted-average period for options expected to vest 1 year 3 months 29 days