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-Publisher FASB
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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment, Intangible Assets, Insurance and Fair Value Measurements (Details) - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Goodwill and Intangible Assets:
Goodwill impairment charges	$ 1,912,877
Indefinite-lived assets impairment charges	0	$ 0
Insurance
Letter of credit issued for worker's compensation insurance carrier as part of the entity's self-insured loss control program	500,000
Retail Segment
Goodwill and Intangible Assets:
Goodwill impairment charges	$ 1,900,000
Buildings and improvements \| Minimum
Property and Equipment
Estimated useful lives	5 years
Buildings and improvements \| Maximum
Property and Equipment
Estimated useful lives	40 years
Warehouse equipment \| Minimum
Property and Equipment
Estimated useful lives	3 years
Warehouse equipment \| Maximum
Property and Equipment
Estimated useful lives	12 years
Furniture, fixtures and leasehold improvements \| Minimum
Property and Equipment
Estimated useful lives	1 year
Furniture, fixtures and leasehold improvements \| Maximum
Property and Equipment
Estimated useful lives	12 years
Vehicles \| Minimum
Property and Equipment
Estimated useful lives	2 years
Vehicles \| Maximum
Property and Equipment
Estimated useful lives	5 years