PROPERTY AND EQUIPMENT, NET (Details) - USD ($)	Sep. 30, 2020	Sep. 30, 2019
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	$ 46,207,236	$ 45,820,954
Less accumulated depreciation and amortization: Owned property and equipment	(28,709,962)	(28,165,539)
Property and equipment, net	17,497,274	17,655,415
Land
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	773,068	773,068
Buildings and improvements
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	12,605,512	12,574,893
Warehouse equipment
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	15,409,944	15,011,605
Furniture, fixtures and leasehold improvements
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	13,539,336	13,155,606
Vehicles
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	3,846,227	3,687,901
Construction in progress
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	$ 33,149	$ 617,881

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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