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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 |  |

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