v3.26.1
Note 9 - Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Change in Asset Retirement Obligation [Table Text Block]

Balance, December 31, 2025

 $4,231 

Additions

  - 

Liabilities settled

  - 

Accretion expense

  108 
     

Balance, June 30, 2026

 $4,339