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) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Aug. 31, 2022
Stock Options [Abstract]      
Share-based compensation expense $ 93 $ 112  
2014 Equity Plan [Member]      
Shareholders' Equity [Abstract]      
Shares reserved for issuance (in shares) 1,600,000    
Shares available for grant (in shares) 909,620   912,953
2004 Incentive Plan and 2014 Equity Plan [Member]      
Number of Options [Roll Forward]      
Outstanding, beginning of period (in shares) 712,500    
Outstanding, end of period (in shares) 712,500   712,500
Options exercisable (in shares) 581,500    
Weighted Average Exercise Price [Roll Forward]      
Outstanding, beginning of period (in dollars per share) $ 8.75    
Outstanding, end of period (in dollars per share) 8.75   $ 8.75
Options exercisable (in dollars per share) $ 8.17    
Stock Options [Abstract]      
Weighted average remaining contractual term 5 years 6 months   5 years 8 months 12 days
Weighted average remaining contractual term, options exercisable 4 years 10 months 24 days    
Approximate aggregate intrinsic value, outstanding $ 1,640   $ 1,489
Approximate aggregate intrinsic value, options exercisable $ 1,542    
Shares issued (in shares)   6,467  
Options cancelled (in shares)   6,700