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Note 13 - Retirement, Savings and Deferred Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
  

Three Months Ended

 
  

March 31,

 
  

2025

  

2024

 

Service cost

 $71  $99 

Interest cost

  240   226 

Net amortization

  (35)  20 

Net periodic benefit cost

 $276  $345 
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
  

March 31,

  

December 31,

 
  

2025

  

2024

 

Prior service cost

 $113  $132 

Net loss

  (3,248)  (3,303)
  $(3,135) $(3,171)