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Note 11 - Earnings per Share and Dividends per Share (Tables)
3 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

Three Months Ended December 31,

 
  

2025

  

2024

 

Weighted average common stock outstanding, basic

  7,890,720   7,780,122 

Dilutive impact of RSUs

  74,827   82,759 

Weighted average common stock outstanding, diluted

  7,965,547   7,862,881