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INCOME TAXES - Components of deferred tax assets (Details) - USD ($)
Sep. 30, 2020
Sep. 30, 2019
Deferred tax assets (liabilities):    
Stock based compensation $ 2,120,000 $ 1,960,000
Depreciation and amortization 232,000 277,000
Net operating loss carry forward 17,499,000 14,091,000
Tax credits 1,227,000 1,171,000
Other 355,000 397,000
Less: valuation allowance (21,433,000) (17,896,000)
Net deferred tax asset $ 0 $ 0