Note 11 - Stock-based Compensation Plan - Stock Option Activity (Details) (Parentheticals)	Sep. 30, 2024 shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)	171,735
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)	262,310

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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