v3.26.1
Note 4 - Fair Value Measurements - Assets and Liabilities Measured On Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Commodity price derivatives – current $ 27,815 $ 29,574
Commodity price derivatives – noncurrent 3,349 4,197
Commodity price derivatives – current 25,652 380
Commodity price derivatives – noncurrent 3,881 360
Commodity price derivatives – noncurrent 3,881 360
Commodity Contract [Member]    
Total recurring fair value measurements, net 1,631  
Commodity Contract [Member] | Fair Value, Recurring [Member]    
Commodity price derivatives – current 27,815 29,574
Commodity price derivatives – noncurrent 3,349 4,197
Total assets 31,164 33,771
Commodity price derivatives – current 25,652 380
Commodity price derivatives – noncurrent 3,881 360
Commodity price derivatives – noncurrent 3,881 360
Total liabilities 29,533 740
Total recurring fair value measurements, net 1,631 33,031
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Commodity price derivatives – current 0 0
Commodity price derivatives – noncurrent 0 0
Total assets 0 0
Commodity price derivatives – current 0 0
Commodity price derivatives – noncurrent 0 0
Commodity price derivatives – noncurrent 0 0
Total liabilities 0 0
Total recurring fair value measurements, net 0 0
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Commodity price derivatives – current 27,815 29,574
Commodity price derivatives – noncurrent 3,349 4,197
Total assets 31,164 33,771
Commodity price derivatives – current 25,652 380
Commodity price derivatives – noncurrent 3,881 360
Commodity price derivatives – noncurrent 3,881 360
Total liabilities 29,533 740
Total recurring fair value measurements, net 1,631 33,031
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Commodity price derivatives – current 0 0
Commodity price derivatives – noncurrent 0 0
Total assets 0 0
Commodity price derivatives – current 0 0
Commodity price derivatives – noncurrent 0 0
Commodity price derivatives – noncurrent 0 0
Total liabilities 0 0
Total recurring fair value measurements, net $ 0 $ 0