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SHAREHOLDERS’ EQUITY - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
May 31, 2022
May 31, 2022
Aug. 31, 2021
Apr. 09, 2021
Dec. 23, 2016
Feb. 25, 2014
Feb. 23, 2007
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock, capital shares reserved for future issuance (in shares)       1,300,000      
Share-based compensation, term of agreements   10 years          
Options, outstanding, number (in shares) 1,276,000 1,276,000 1,184,000        
Share-based payment arrangement, option, exercise price range, lower range limit (in usd per share)   $ 6.85          
Share-based payment arrangement, option, exercise price range, upper range limit (in usd per share)   $ 66.14          
Stock issued during period, shares, issued for services (in shares) 1,875 5,326          
Stock issued during period, value, issued for services $ 87 $ 263          
Par value common stock 11 11          
Additional paid in capital, common stock 137,500 137,500          
Stock Options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Fair value of nonvested stock options $ 7,500 $ 7,500          
Fair value of nonvested stock options, period for recognition   3 years 3 months 29 days          
2007 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock, capital shares reserved for future issuance (in shares) 2,000,000 2,000,000       1,000,000 1,000,000
2017 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock, capital shares reserved for future issuance (in shares)         1,000,000