v3.26.1
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details) - USD ($)
 1 Months Ended 6 Months Ended 10 Months Ended 12 Months Ended
Jan. 21, 2026
Sep. 05, 2025
Aug. 06, 2025
Mar. 28, 2025
Jan. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Feb. 11, 2026
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Proceeds from issuance of SIF Warrants (note 11)           $ 3,624,000 $ 4,570,000   $ 4,570,000 $ 1,548,000  
Cash and cash equivalents (note 4)           $ 31,975,000   $ 49,125,000 49,125,000 $ 6,392,000  
Settlement of related party loans     $ 1,408,000                
PIPE financing                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of units issued         10,556,367            
Price per unit issued         $ 10.2            
Number of shares in a unit         1            
Number of warrants in a unit         1            
Exercise price         $ 12            
Spring Valley Acquisition III                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Transaction costs   $ 14,319,936                  
Cash underwriting fee   4,600,000                  
Deferred Underwriting Fee   9,200,000           9,200,000 $ 9,200,000    
Other offering costs   519,936           $ 519,936      
Percent of fair market value of target businesses               80.00%      
Percentage of ownership interest to be acquired               50.00%      
Accrued interest   $ 230,000,000                  
Share price           $ 10   $ 10 $ 10    
Number of business days prior to business combination               2 days      
Permitted Withdrawals percentage           5.00%   5.00%      
Percentage of restriction on redemption of shares               15.00% 15.00%    
Redemption percentage of shares if business combination not completed               100.00%      
Maximum period to complete the business combination               24 months      
Maximum number of business days for completion of redemption               10 days      
Dissolution expense payable from interest earned on trust account               $ 100,000 $ 100,000    
Cash and cash equivalents (note 4)           $ 1,889,472   749,812 749,812    
Working capital deficit               $ 748,063 $ 748,063    
Spring Valley Acquisition III | Sponsor                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Share price               $ 10 $ 10    
Exercise price per share $ 0.9                    
Spring Valley Acquisition III | Sponsor | Unsecured promissory note                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Aggregate principal amount       $ 250,000   151,636   $ 151,636 $ 151,636    
Spring Valley Acquisition III | Founder shares | Sponsor                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Sponsor earnout shares 1,000,000                    
Transferred founder shares 1,250,000                    
Shares lock up period 6 months                    
Spring Valley Acquisition III | Related Party Loans                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Exercise price               $ 0.09 $ 0.09    
Loans outstanding               $ 0 $ 0    
Spring Valley Acquisition III | Related Party Loans | Maximum                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Settlement of related party loans           $ 1,500,000,000,000   $ 1,500,000      
Spring Valley Acquisition III | Working Capital Loan | Sponsor                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Convertible working capital loans $ 1,500,000                    
Spring Valley Acquisition III | Private Placement Warrants                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of warrants issued   7,046,111           7,046,111      
Price per warrant issued   $ 0.9                  
Proceeds from issuance of SIF Warrants (note 11)   $ 6,341,500                  
Spring Valley Acquisition III | Private Placement Warrants | Sponsor                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of warrants issued   4,490,555                  
Spring Valley Acquisition III | Public Warrants                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of warrants in a unit           0.33   0.33 0.33    
Exercise price           $ 11.5   $ 11.5 $ 11.5    
Spring Valley Acquisition III | Class A ordinary shares                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of shares in a unit           1   1 1    
Spring Valley Acquisition III | Class A ordinary shares | Private Placement Warrants                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of shares called by each warrant           1   1 1    
Exercise price           $ 11.5   $ 11.5 $ 11.5    
Spring Valley Acquisition III | Class A ordinary shares | Public Warrants                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of shares called by each warrant           1   1 1   1
Exercise price           $ 11.5   $ 11.5 $ 11.5    
Spring Valley Acquisition III | Class B common shares | Founder shares                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of shares forfeited 1,000,000                    
Spring Valley Acquisition III | Class B common shares | Founder shares | Sponsor                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Net proceeds       $ 25,000   $ 25,000   $ 25,000      
Spring Valley Acquisition III | IPO including over-allotment                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of units issued   23,000,000                  
Price per unit issued   $ 10                  
Gross proceeds   $ 230,000,000                  
Spring Valley Acquisition III | Initial Public Offering                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Maximum period to liquidate for trust accounts funds           24 months   24 months      
Spring Valley Acquisition III | Underwriters over-allotment option                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of units issued   3,000,000                  
Spring Valley Acquisition III | Underwriters over-allotment option | Private Placement Warrants                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of warrants issued   2,555,556                  
Spring Valley Acquisition III | PIPE financing                      
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS                      
Number of units issued 10,556,367                    
Price per unit issued $ 10.2                    
Gross proceeds $ 107,700,000                    
Number of shares in a unit 1                    
Number of warrants in a unit 1                    
Exercise price $ 12