Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Employee Benefit Plans (Tables)

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Note 12 - Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
                   

Other postretirement

 
   

Defined benefit plans

   

benefit plans

 
   

Three months

   

Three months

 
   

ended

   

ended

 
   

March 31,

   

March 31,

 
   

2024

   

2023

   

2024

   

2023

 

Service cost

  $ 7     $ 6     $     $  

Interest cost

    22       23       1       1  

Expected return on assets

    (32 )     (31 )            

Amortization of prior service benefit

    (1 )     (1 )     (1 )     (1 )

Amortization of actuarial loss

    8       8              

Net periodic benefit cost

  $ 4     $ 5     $     $