PROPERTY AND EQUIPMENT, NET (Details) - USD ($)	Sep. 30, 2017	Sep. 30, 2016
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	$ 38,749,769	$ 36,542,652
Less accumulated depreciation and amortization: Owned property and equipment	(25,441,783)	(23,934,775)
Property and equipment, net	13,307,986	12,607,877
Land
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	648,818	648,818
Buildings
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	10,661,543	10,661,543
Warehouse equipment
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	13,195,827	12,915,534
Furniture, fixtures and leasehold improvements
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	10,732,163	10,118,995
Vehicles
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	2,195,704	2,164,794
Construction in progress
PROPERTY AND EQUIPMENT, NET
Property and equipment, gross	$ 1,315,714	$ 32,968

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.14)
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
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