v3.25.1
Note 3 - Revenue Recognition (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Disaggregation of Revenue [Table Text Block]

Three Months Ended

 

March 31,

 
             
  

U.S.

  

International

  

Total

 

2025:

            

Gas Utilities

 $273  $  $273 

DIET

  162   58   220 

PTI

  156   63   219 
  $591  $121  $712 

2024:

            

Gas Utilities

 $265  $  $265 

DIET

  202   65   267 

PTI

  200   45   245 
  $667  $110  $777