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Note 13 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Expense (Benefit), Total	$ 473,332	$ 118,310	$ 742,490	$ 675,457
Effective Income Tax Rate Reconciliation, Percent, Total			22.80%	20.00%

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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