Note 8 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)	Sep. 30, 2020	Sep. 30, 2019
Deferred tax assets	$ 2,838,966	$ 2,438,893
Deferred tax liabilities	0	0
Valuation allowance	(2,838,966)	(2,438,893)
Net deferred tax assets/(liabilities)

Amount of deferred tax liability attributable to taxable temporary differences.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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