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Note 10 - Employee Benefits (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Expected Benefit Payments [Table Text Block]
  

2021

  

2020

 

Health benefits, including premiums

 $13,084  $13,173 

401(k) matching

  1,946   1,797 

Deferred bonus plan

  698   679 

Total

 $15,728  $15,649