v3.26.1
Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 26, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Disaggregation of Revenue [Line Items]            
Accumulated deficit   $ 270,365,000   $ 270,365,000   $ 206,303,000
Net loss   42,051,000 $ 15,140,000 62,655,000 $ 27,345,000  
Cash outflow from operating activities       30,630,000 27,374,000  
Cash and cash equivalents   312,780,000   312,780,000   16,164,000
Working capital, net       318,249,000   $ 31,237,000
Proceeds from reverse recapitalization and Private Investment in Public Equity ("PIPE") transaction, net of transaction costs $ 301,646,000     $ 263,599,000 0  
Proceeds from issuance of private placement 275,000,000          
Cash acquired through reverse recapitalization $ 26,646,000          
Earnout shares (in shares) 1,100,000     1,100,000    
Impairment of long-lived assets to be disposed of   0 $ 0 $ 0 $ 0  
Minimum            
Disaggregation of Revenue [Line Items]            
Revenue from contract with customer, contract duration       6 months    
Xanadu Class B Subordinate Voting Shares ("Earn-out Shares") | Yorkville Agreement            
Disaggregation of Revenue [Line Items]            
Proceeds from notes payable   $ 67,154,000   $ 67,154,000    
Earnout shares (in shares)   5,467,524   5,467,524    
Derivative liability, contingent consideration, remaining shares available for issuance (in shares)   232,846,000   232,846,000    
Xanadu Class B Subordinate Voting Shares ("Earn-out Shares") | Yorkville Agreement | Maximum            
Disaggregation of Revenue [Line Items]            
Derivative liability, contingent consideration, remaining shares available for issuance (in shares)   24,532,476   24,532,476