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INCOME TAXES (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2022 | Feb. 28, 2021 | Feb. 28, 2022 | Feb. 28, 2021 | Aug. 31, 2022 | Aug. 31, 2021
Income Taxes [Abstract] |  |  |  |  |  |
Effective income tax rate | 22.80% | 24.60% | 23.40% | 24.60% |  |
Income Tax Expense (Benefit) [Abstract] |  |  |  |  |  |
Current | $ 712 | $ 5,723 | $ 1,183 | $ 5,856 |  |
Deferred | (211) | (56) | (205) | 71 |  |
Total | 501 | $ 5,667 | 978 | $ 5,927 |  |
Income Taxes Paid [Abstract] |  |  |  |  |  |
Income taxes paid | 1,810 |  | 5,260 |  |  |
Deferred Tax Assets (Liabilities) [Abstract] |  |  |  |  |  |
Depreciation and depletion | (2,178) |  | (2,178) |  |  | $ (2,360)
Non-qualified stock options | 546 |  | 546 |  |  | 547
Deferred revenues | 108 |  | 108 |  |  | 41
Accrued compensation | 87 |  | 87 |  |  | 141
Other | 27 |  | 27 |  |  | 16
Net deferred tax liability | (1,410) |  | (1,410) |  |  | $ (1,615)
Forecast [Member] |  |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |  |
Effective income tax rate |  |  |  |  | 25.00% |
Federal [Member] |  |  |  |  |  |
Income Taxes Paid [Abstract] |  |  |  |  |  |
Income taxes paid | 910 |  | 4,360 |  |  |
State [Member] |  |  |  |  |  |
Income Taxes Paid [Abstract] |  |  |  |  |  |
Income taxes paid | $ 900 |  | $ 900 |  |  |

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