Note 10 - Income Taxes (Details Textual) - USD ($)	9 Months Ended
	Jun. 30, 2020	Sep. 30, 2019
Deferred Income Tax Assets, Net, Total	$ 1,220,564
Domestic Tax Authority [Member]
Deferred Income Tax Assets, Net, Total	1,200,000
Deferred Income Tax Expense (Benefit), Total	(1,200,000)
Deferred Tax Assets, Valuation Allowance, Total	$ 9,400,000