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INCOME TAXES - Components of deferred tax assets (Details) - USD ($) | Sep. 30, 2022 | Sep. 30, 2021
--- | --- | ---
Deferred tax assets (liabilities): |  |
Stock based compensation | $ 847,000 | $ 650,000
Depreciation and amortization | 113,000 | 247,000
Net operating loss carry forward | 22,872,000 | 20,115,000
Impairment of intangibles | 205,000 | 187,000
Tax credits | 2,055,000 | 1,566,000
Other | 397,000 | 99,000
Less: valuation allowance | (26,489,000) | (22,864,000)
Net deferred tax asset | $ 0 | $ 0

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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