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Note 12 - Income Taxes (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Three Months Ended

  

Six Months Ended

 
  

June 30,

  

June 30,

 
  

2022

  

2021

  

2022

  

2021

 

Income tax expense

 $38  $15  $59  $30 

Effective income tax rate

  28%  28%  27%  28%