Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE STOCK PLANS - Stock Option Activity (Details)

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EMPLOYEE STOCK PLANS - Stock Option Activity (Details) - 2014 Equity Plan - USD ($)
 3 Months Ended 12 Months Ended
Nov. 30, 2023
Nov. 30, 2022
Aug. 31, 2023
Aug. 31, 2022
Shareholders' Equity [Abstract]        
Shares reserved for issuance (in shares) 1,600,000      
Shares available for grant (in shares) 956,378   964,378  
Number of Options [Roll Forward]        
Outstanding, beginning of period (in shares) 563,000 712,500 712,500  
Exercised (in shares) 0      
Outstanding, end of period (in shares) 563,000 712,500 563,000 712,500
Options exercisable (in shares) 504,000      
Weighted Average Exercise Price [Roll Forward]        
Outstanding, beginning of period (in dollars per share) $ 9.15 $ 8.75 $ 8.75  
Outstanding, end of period (in dollars per share) 9.15 $ 8.75 $ 9.15 $ 8.75
Options exercisable (in dollars per share) $ 8.95      
Stock Options [Abstract]        
Weighted average remaining contractual term 5 years 2 months 12 days 5 years 6 months 5 years 6 months 5 years 8 months 12 days
Weighted average remaining contractual term, options exercisable 5 years 1 month 6 days      
Approximate aggregate intrinsic value, outstanding $ 1,221,000 $ 1,640,000 $ 1,221,000 $ 1,489,000
Approximate aggregate intrinsic value, options exercisable $ 1,100,000