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INCOME TAXES (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Aug. 31, 2023 | Aug. 31, 2022 | Aug. 31, 2021
Income Tax Expense (Benefit) [Abstract] |  |  |
Current income tax expense | $ 1,200,000 | $ 3,600,000 |
Deferred income tax expense | 300,000 | 500,000 |
Unrecognized tax benefits | 0 | 0 |
Income Taxes Paid [Abstract] |  |  |
Cash paid for income taxes | 947,000 | 5,260,000 |
Deferred Tax Assets (Liabilities) [Abstract] |  |  |
Depreciation and depletion | (2,155,000) | (2,061,000) |
Non-qualified stock options | 484,000 | 568,000 |
Accrued compensation | 170,000 | 279,000 |
Deferred revenues | 121,000 | 108,000 |
Other | 28,000 | 31,000 |
Net deferred tax liability | (1,352,000) | (1,075,000) |
Effective Income Tax Rate Reconciliation [Abstract] |  |  |
Expected expense (benefit) from federal taxes at statutory rate | 1,306,000 | 2,668,000 |
State taxes, net of federal benefit | 201,000 | 456,000 |
Permanent and other differences | (57,000) | 4,000 |
Stock Compensation | 12,000 | 22,000 |
Other | 59,000 | (64,000) |
Total income tax expense | $ 1,521,000 | $ 3,086,000 |
Statutory federal tax rate | 21.00% | 21.00% |
Net Operating Loss Carryforwards [Abstract] |  |  |
Net operating loss carryforwards |  | $ 0 | $ 0
Federal [Member] |  |  |
Income Taxes Paid [Abstract] |  |  |
Cash paid for income taxes | $ 3,500,000 | 4,400,000 |
State [Member] |  |  |
Income Taxes Paid [Abstract] |  |  |
Cash paid for income taxes | $ 900,000 | $ 900,000 |

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