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Note 10 - Employee Benefits (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Expected Benefit Payments [Table Text Block]
   

2022

   

2021

 

Health benefits, including premiums

  $ 14,607     $ 13,084  

401(k) matching

    2,549       1,946  

Deferred bonus plan

    809       698  

Total

  $ 17,965     $ 15,728