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INTANGIBLE ASSETS - Summary of intangible assets (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
INTANGIBLE ASSETS |  |
Internally developed software (5-year useful life) |  | $ 157,221
Customer relationships (10-year useful life) | $ 621,000 | 621,000
Intellectual property (5-15 years) | 917,350 | 917,350
Intangible assets, gross | 1,538,350 | 1,695,571
Less: Accumulated amortization | 1,001,995 | 933,020
Impairment losses | $ 536,355 | 157,221
Intangible assets, net |  | $ 605,330

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- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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