| Schedule of components of income taxes |
| | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | | June 30, 2026 | | June 30, 2025 | | June 30, 2026 | | June 30, 2025 | Federal | | | | | | | | | | | | | Current | | $ | 207,911 | | $ | — | | $ | 250,542 | | $ | — | Deferred | | | 656,032 | | | 89,756 | | | 1,585,909 | | | (1,303,205) | Total | | | 863,943 | | | 89,756 | | | 1,836,451 | | | (1,303,205) | | | | | | | | | | | | | | State | | | | | | | | | | | | | Current | | | 178,476 | | | 58,613 | | | 303,690 | | | 147,788 | Deferred | | | (297,378) | | | (10,382) | | | (64,755) | | | (457,301) | Total | | | (118,902) | | | 48,231 | | | 238,935 | | | (309,513) | Total income tax expense (benefit) | | $ | 745,041 | | $ | 137,987 | | $ | 2,075,386 | | $ | (1,612,718) |
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| Schedule of income tax effects to deferred tax assets and liabilities |
| | | | | | | | | June 30, 2026 | | September 30, 2025 | Deferred tax liabilities | | | | | | | Property and equipment | | $ | 10,231,370 | | $ | 10,057,004 | Other | | | 1,413,889 | | | 1,483,362 | Total deferred tax liabilities | | $ | 11,645,259 | | $ | 11,540,366 | | | | | | | | Deferred income tax assets | | | | | | | Accruals & Other | | $ | 3,043,687 | | $ | 3,215,102 | Net operating loss carryforward-Federal | | | 144,541 | | | 1,451,126 | Net operating loss carryforward-States | | | 470,665 | | | 824,539 | Net operating loss valuation allowance-States | | | (288,314) | | | (703,928) | Total deferred tax assets | | $ | 3,370,579 | | $ | 4,786,839 | | | | | | | | Total net deferred tax liabilities | | $ | 8,274,680 | | $ | 6,753,527 |
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