XML 36 R25.htm IDEA: XBRL DOCUMENT v3.25.2
Note 5 - Derivative Instruments (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
   

Asset (Liability)

 
   

June 30, 2025

   

December 31, 2024

 
   

Contract Quantity

   

Fair Value

   

Contract Quantity

   

Fair Value

 

Regulated fixed price future commitments, included in other current assets (in thousand barrels)

    13     $ 46       100     $ (235 )