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Note 11 - Earnings Per Share Attributable to Common Stockholders (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Three Months Ended

  

Six Months Ended

 
  

June 30,

  

June 30,

 
  

2023

  

2022

  

2023

  

2022

 

Service Period Stock Options

  1,203   1,272   1,230   1,261 

Restricted Stock Units

  518   169   392   150 

Performance Stock Options

  1,117   944   1,117   944 

Convertible Notes

  5,776      5,776    

Total

  8,614   2,385   8,515   2,355