INCOME TAXES - Components of income taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 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)