v3.26.1
Note 5 - Other Long-Term Obligations and Commitments (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

(Thousands of dollars)

 

Operating
Leases

 

2026 (remaining)

  $ 415  

2027

    235  

2028

    27  

Total undiscounted lease payments

    677  

Less: Amount associated with discounting

    (70 )

Total net operating lease liabilities

    607  

Less: Current portion of other long-term obligations

    (544 )

Non-current portion included in other long-term obligations

  $ 63  
Schedule of Change in Asset Retirement Obligation [Table Text Block]

(Thousands of dollars)

 

June 30,
2026

 

Asset retirement obligations at December 31, 2025

  $ 14,337  

Dispositions

    (4 )

Liabilities settled

    (139 )

Accretion of discount

    534  

Asset retirement obligations at June 30, 2026

    14,728  

Less current portion of asset retirement obligations

    1,682  

Asset retirement obligations, long-term

  $ 13,046