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Note 12 - Stock-based Compensation (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
  

Number of Shares

  

Weighted Average Exercise Price

  

Weighted Average of Remaining Contractual Life (in years)

  

Aggregate Intrinsic Value

 

Outstanding at December 31, 2022

  802,163  $12.23         

Issued

    $         

Exercised

  (1,258) $15.30         

Expired/Forfeited

  (999) $15.30         

Outstanding at March 31, 2023

  799,906  $12.22   1.3  $13,299,303 

Exercisable at March 31, 2023

  688,544  $9.25   1.0  $12,840,335