PROPERTY AND EQUIPMENT, NET (Details) - USD ($)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	$ 153,859,138	$ 120,780,147
Less accumulated depreciation:	(47,810,077)	(40,172,696)
Property and equipment, net	106,049,061	80,607,451
Interest costs capitalized	900,000	800,000
Land and improvements
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	5,619,034	4,292,142
Buildings and improvements
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	67,813,750	43,963,416
Warehouse equipment
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	25,509,993	23,894,049
Furniture, fixtures and leasehold improvements
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	19,970,335	16,869,932
Vehicles
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	14,040,286	12,962,265
Construction in progress
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	$ 20,905,740	$ 18,798,343