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Note 22 - Stock Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
  

2021

 
  

Shares

  Weighted Average Grant Date Fair Value 

Unvested, January 1, 2021

  15,858  $20.40 

Granted

  23,094   19.39 

Vested

  (8,073)  19.84 

Forfeited

  (98)  18.41 

Unvested, December 31, 2021

  30,781  $19.79