v3.26.1
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Other Property and Equipment, Net (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Other property and equipment, net $ 3,259 $ 3,012
Land [Member]    
Other property and equipment, net 1,851 1,869
Transportation Equipment [Member]    
Other property and equipment, net 695 411
Building [Member]    
Other property and equipment, net 495 502
Leasehold Improvements [Member]    
Other property and equipment, net 170 177
Field Equipment [Member]    
Other property and equipment, net 48 52
Furniture and Fixtures [Member]    
Other property and equipment, net $ 0 $ 1