Note 8 - Benefits Plans - Schedule of Employee Stock Ownership Plan (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Shares held by the ESOP (in shares)	161,126	75,080
Fair value per share (in dollars per share)	$ 25.83	$ 25
Maximum cash obligation	$ 4,161,885	$ 1,877,000

Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 718
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480459/718-40-55-20

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 718
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480459/718-40-55-9

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480489/718-40-50-1

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