INCOME TAXES - Summary of income tax effects of temporary differences giving rise to the deferred tax assets and liabilities (Details) - USD ($)	Jun. 30, 2026	Sep. 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