Note 15 - Income Taxes (Details Textual) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2018
Operating Loss Carryforwards, Valuation Allowance		$ 2.1
Deferred Tax Asset And Related Valuation Allowance	$ 69.1	$ 0.5

The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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