Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY, Stock Option Activity (Details)

v3.21.4
SHAREHOLDERS' EQUITY, Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Aug. 31, 2021
Stock Options [Abstract]      
Share-based compensation expense $ 112 $ 86  
2014 Equity Plan [Member]      
Shareholders' Equity [Abstract]      
Shares reserved for issuance (in shares) 1,600,000    
Shares available for grant (in shares) 876,665   974,965
2004 Incentive Plan and 2014 Equity Plan [Member]      
Number of Options [Roll Forward]      
Outstanding, beginning of period (in shares) 714,500    
Granted (in shares) 105,000    
Net settlement exercised (in shares) (13,167)    
Outstanding, end of period (in shares) 806,333   714,500
Options exercisable (in shares) 570,002    
Weighted Average Exercise Price [Roll Forward]      
Outstanding, beginning of period (in dollars per share) $ 7.80    
Granted (in dollars per share) 13.37    
Net settlement exercised (in dollars per share) 7.81    
Outstanding, end of period (in dollars per share) 8.53   $ 7.80
Options exercisable (in dollars per share) $ 7.42    
Stock Options [Abstract]      
Weighted average remaining contractual term 6 years 3 months 25 days   6 years 21 days
Weighted average remaining contractual term, options exercisable 5 years 2 months 4 days    
Approximate aggregate intrinsic value, outstanding $ 4,864   $ 5,107
Approximate aggregate intrinsic value, options exercisable 4,070    
Share-based compensation expense $ 100 $ 100  
Shares issued (in shares) 6,467    
Options cancelled (in shares) 6,700