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Note 3 - Additional Balance Sheet Information (Tables)
 9 Months Ended
Sep. 30, 2025
Notes Tables  
Condensed Balance Sheet [Table Text Block]

(Thousands of dollars)

  

September 30,
2025

   

December 31,
2024

 

Accounts Receivable:

                

Joint interest billings

   $ 1,154     $ 2,413  

Trade receivables

     827       958  

Oil and gas sales

     16,201       21,211  

Other

     1,327       170  
Total   $ 19,509     $ 24,752  

Accounts Payable:

                

Trade

   $ 22,943     $ 12,038  

Royalty and other owners

     3,812       3,607  

Other

     359       684  

Total

   $ 27,114     $ 16,329  

Accrued Liabilities:

                

Compensation and related expenses

   $ 4,796     $ 10,668  

Taxes

     2,719       9,524  

Lease operating costs

     2,200       4,263  

Other

     820       1,059  

Total

   $ 10,535     $ 25,514