Quarterly report [Sections 13 or 15(d)]

Note 11 - Subsequent Event (Details Textual)

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Note 11 - Subsequent Event (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Feb. 17, 2026
Oct. 28, 2026
Sep. 30, 2026
Sep. 30, 2026
Mar. 31, 2026
Treasury Stock, Shares, Acquired (in shares) 2,935,227   28,022    
Treasury Stock, Value, Acquired, Cost Method $ 5,900,000   $ 27,000 $ 28,000 $ 5,962,000
Subsequent Event [Member]          
Treasury Stock, Shares, Acquired (in shares)   57,269      
Treasury Stock, Value, Acquired, Cost Method   $ 56,000