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Note 10 - Short-term Borrowings (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Short-term Debt [Table Text Block]
   

December 31, 2021

   

December 31, 2020

 
   

Amount

    Weighted Average Rate    

Amount

    Weighted Average Rate  

Customer repurchase agreements

  $ 41,128       0.03 %   $ 42,551       0.13 %