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Note 13 - Retirement, Savings and Deferred Compensation Plans (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

September 30,

  

September 30,

 
  

2024

  

2023

  

2024

  

2023

 

Service cost

 $98  $92  $296  $277 

Interest cost

  225   221   677   664 

Net amortization

  19   18   59   53 

Net periodic benefit cost

 $342  $331  $1,032  $994 
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
  

September 30,

  

December 31,

 
  

2024

  

2023

 

Prior service cost

 $153  $212 

Net loss

  (1,336)  (1,336)
  $(1,183) $(1,124)