v3.26.1
Basis of Presentation and Summary of Significant Accounting Policies (Details Narrative)
R in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2026
Oct. 31, 2025
Oct. 31, 2023
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Customer
Jun. 30, 2025
USD ($)
Customer
Dec. 31, 2025
USD ($)
Customer
Jun. 30, 2026
ZAR (R)
Jan. 06, 2026
USD ($)
Oct. 01, 2025
USD ($)
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Federal deposit insurance limit       $ 250,000   $ 250,000          
Cash held by subsidiaries       14,700,000   14,700,000   $ 9,600,000      
Cash equivalents       183,400,000   183,400,000   267,400,000      
Restricted cash       4,120,000   4,120,000   0      
Restricted cash non-current       1,736,000   1,736,000   0      
Revenues       5,123,000 $ 1,198,000 9,303,000 $ 2,300,000        
Ownership percentage of acquisition 60.00% 100.00% 51.00%                
Fair value liability level 1 to level 2 transfers amount       0              
Fair value liability level 2 to level 1 transfers amount       0              
Fair value liability transfers into level 3       0              
Fair value liability transfers out of level 3       0              
Allowance for expected credit losses       0   0   0      
Impairment on energy properties           0          
Amortization expense       42,000,000 0 75,000,000 0        
Gain (loss) on asset acquisition           0          
Token liability       900,000   900,000          
Goodwill       6,466,000   6,466,000   $ 5,177,000     $ 1,600,000
Impairment losses of long-lived assets       0 0 0 0        
Provision for income taxes       (97,000) $ 95,000 $ (128,000) $ 25,000        
ARO discounted at pre-tax rate                   9.51%  
ARO assets capitalized                   $ 2,500,000  
Accounts Receivable [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Number of customers | Customer           0   0      
Revenues [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Number of customers | Customer           1 1        
Customer [Member] | Revenues [Member] | Concentrations of Credit Risk [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Concentration risk percentage           15.00% 10.00%        
Revenues           $ 1,200,000 $ 200,000        
Virginia Gas Project [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Rehabilitation obligation       $ 3,800,000   $ 3,800,000     R 61.6    
Minimum [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Estimated useful lives           4 years          
Minimum [Member] | IsoBio and Skyline's Joint Ventures with KC-Glory JV, KC-Geotech JV and KC-CRFG JV [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Equity Method Investment, Ownership Percentage       20.00%   20.00%     20.00%    
Minimum [Member] | Property and equipment [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Estimated useful lives           3 years          
Maximum [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Estimated useful lives           5 years          
Maximum [Member] | IsoBio and Skyline's Joint Ventures with KC-Glory JV, KC-Geotech JV and KC-CRFG JV [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Equity Method Investment, Ownership Percentage       50.00%   50.00%     50.00%    
Maximum [Member] | Property and equipment [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Estimated useful lives           10 years          
Enlightened Isotopes [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Subsidiary ownership percentage       80.00%   80.00%     80.00%    
P E T Labs [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Subsidiary ownership percentage       51.00%   51.00%     51.00%    
Tetra4 [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Subsidiary ownership percentage       94.50%   94.50%     94.50%    
NuMed Diagnostics, LLC [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Subsidiary ownership percentage       60.00%   60.00%     60.00%    
VIE ASP Rentals [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Subsidiary ownership percentage       42.00%   42.00%     42.00%    
Electricity Payments and Early Termination Guaranties [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Restricted cash non-current       $ 500,000   $ 500,000          
Convertible Notes Payable [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Fair value on a recurring basis       203,400,000   203,400,000   $ 199,300,000      
Reserving Six Months of Payments to Fulfill Obligations Under the DFC Credit Facility [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Restricted cash       2,800,000   2,800,000          
Reserving Six Months of Payments to Fulfill Obligations Under the IDC Debt [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Restricted cash       1,300,000   1,300,000          
Renergens Obligation [Member]                      
Basis of Presentation and Summary of Significant Accounting Policies [Line Items]                      
Restricted cash non-current       $ 1,200,000   $ 1,200,000