v3.26.1
Note 10 - Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Asset Retirement Obligations [Table Text Block]
  

June 30, 2026

  

December 31, 2025

 
  

(in thousands)

 

Balance, beginning of year

 $8,006  $14,083 

Acquired or incurred

  -   26 

Cost and life revisions

  -   (1,304)

Plugged

  (28)  (232)

Sold

  -   (5,571)

Accretion

  288   1,004 

Balance, end of period

 $8,266  $8,006