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Note 10 - Asset Retirement Obligations (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Asset Retirement Obligations [Table Text Block]
  

March 31, 2024

  

December 31, 2023

 
  

(in thousands)

 

Balance, beginning of year

 $18,490  $15,442 

Acquired or incurred

  -   11 

Cost and life revisions

  (100)  2,494 

Plugged

  (58)  (215)

Sold

  -   (458)

Accretion

  393   1,216 

Balance, end of period

 $18,725  $18,490 
         

Asset retirement obligations - current

 $1,273  $1,273 

Asset retirement obligations - noncurrent

  17,452   17,217 

Balance, end of period

 $18,725  $18,490