LEASE OBLIGATIONS - Operating lease expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
LEASE OBLIGATIONS
Total amortization	$ 359,719	$ 287,513	$ 954,534	$ 821,460
Total interest	57,019	59,128	148,513	187,429
Total amortization and interest	416,738	346,641	1,103,047	1,008,889
Rental expense	8,300,000	4,800,000	20,100,000	13,800,000
Operating lease 1
LEASE OBLIGATIONS
Total amortization		6,885		45,833
Total interest				545
Total amortization and interest		6,885		46,378
Operating lease 2
LEASE OBLIGATIONS
Total amortization	5,583	6,605	38,731	41,399
Total interest	358	1,842	2,127	6,648
Total amortization and interest	5,941	8,447	40,858	48,047
Operating lease 3
LEASE OBLIGATIONS
Total amortization	273,091	234,661	750,293	645,397
Total interest	37,285	56,336	117,254	174,845
Total amortization and interest	310,376	290,997	867,547	820,242
Operating lease 4
LEASE OBLIGATIONS
Total amortization	19,779	39,362	64,246	88,831
Total interest	7,851	950	8,865	5,391
Total amortization and interest	27,630	$ 40,312	73,111	$ 94,222
Operating lease 5
LEASE OBLIGATIONS
Total amortization	21,093		42,564
Total interest	5,861		9,190
Total amortization and interest	26,954		51,754
Operating lease 6
LEASE OBLIGATIONS
Total amortization	12,171		30,698
Total interest	1,089		6,502
Total amortization and interest	13,260		37,200
Operating lease 7
LEASE OBLIGATIONS
Total amortization	10,472		10,472
Total interest	2,105		2,105
Total amortization and interest	12,577		12,577
Operating lease 8
LEASE OBLIGATIONS
Total amortization	17,530		17,530
Total interest	2,470		2,470
Total amortization and interest	$ 20,000		$ 20,000