Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares	Sep. 30, 2026	Dec. 31, 2025
Common Stock, No Par Value (in dollars per share)
Common Stock, Shares Authorized (in shares)	35,000,000	35,000,000
Common Stock, Shares, Outstanding (in shares)	26,410,243	26,312,842
Treasury Stock, Common, Shares (in shares)	638,553	735,954

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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+ Details