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Note 15 - Share-based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
          

Weighted Average

 

Restricted Stock

     

Weighted Average

  

Remaining

 

Awards

 

Shares

  

Award Price

  

Contractual Term (In Years)

 
             

Outstanding at January 1, 2021

  405,450  $19.77   3.0 

Granted

  209,000   15.07     

Vested

  (112,100)  23.85     

Forfeited

  (40,500)  16.98     

Outstanding at December 31, 2021

  461,850  $16.94   3.2