v3.26.3
Property, Plant and Equipment & Natural Gas Properties - Property Plant and Equipment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 1,296 $ 828
Less: Accumulated depreciation (552) (520)
Total plant and equipment - net 744 308
Leasehold improvements    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment 560 535
Sand mining permits    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 736 $ 293