Note 13 - Income Taxes	9 Months Ended
Note 13 - Income Taxes	Jun. 30, 2020
Notes to Financial Statements
Income Tax Disclosure [Text Block]	13. INCOME TAXES For the nine months ended June 30, 2020, the Company recorded income tax expense of $742,490 reflecting an effective tax rate of 22.8%. For the nine months ended June 30, 2019, the Company recorded an income tax expense of $675,457 reflecting an effective tax rate of 20.0%. The Company continues to maintain a partial valuation allowance against its deferred tax assets as the Company believes that the negative evidence that it will be able to recover these net deferred tax assets outweighs the positive evidence. Accounting Standards Codification Topic 740, Accounting for Uncertainty in Income Taxes , requires the Company to recognize in its consolidated financial statements uncertainties in tax positions taken that may not be sustained upon examination by the taxing authorities. If interest or penalties are assessed, the Company would recognize these charges as income tax expense. The Company has not recorded any income tax expense or benefit for uncertain tax positions.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.