v3.25.4
Note 3 - Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenue $ 7,353 $ 20,619
Oil Sales[Member]    
Revenue 6,378 18,165
Natural Gas, Midstream [Member]    
Revenue 975 2,454
Rockies [Member]    
Revenue 5,277 7,555
Rockies [Member] | Oil Sales[Member]    
Revenue 5,099 7,366
Rockies [Member] | Natural Gas, Midstream [Member]    
Revenue 178 189
West Texas, South Texas, and Gulf Coast [Member]    
Revenue 770 5,393
West Texas, South Texas, and Gulf Coast [Member] | Oil Sales[Member]    
Revenue 754 5,276
West Texas, South Texas, and Gulf Coast [Member] | Natural Gas, Midstream [Member]    
Revenue 16 117
Mid-Continent [Member]    
Revenue 1,306 7,671
Mid-Continent [Member] | Oil Sales[Member]    
Revenue 525 5,523
Mid-Continent [Member] | Natural Gas, Midstream [Member]    
Revenue $ 781 $ 2,148