v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
shares in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
Segment
shares
Jun. 30, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
Finite Lived Intangible Assets [Line Items]          
Revenues $ 95,203 $ 16,961 $ 147,147 $ 32,585  
Revenue from Contract with Customer, Product and Service [Extensible Enumeration] Products Products Products Products  
Revenue recognized     $ 80,693   $ 58,898
Accounts receivable, net balance $ 32,250   32,250   0
Allowance for doubtful accounts $ 0   $ 0   $ 0
Shares omitted from loss per share, anti-dilutive | shares 1,946 400 3,528 708  
Number of reportable segment | Segment     1    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     srt:ChiefExecutiveOfficerMember    
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description     The CODM uses Net Income to evaluate how to reinvest profits into the PV segment assets, research and development, employees, and other resources. The measure of segment assets is reported on the unaudited condensed Balance Sheet as total assets.    
Investments without a readily determinable $ 275,000   $ 275,000    
Products          
Finite Lived Intangible Assets [Line Items]          
Revenues 95,203 $ 16,961 124,147 $ 32,585  
Products | Revenue Benchmark | Customer Concentration Risk | Customer One          
Finite Lived Intangible Assets [Line Items]          
Revenues 95,203 16,961 124,147 32,585  
Milestone and Engineering Arrangement          
Finite Lived Intangible Assets [Line Items]          
Revenue recognized 0 0 23,000 0  
Government Research and Development          
Finite Lived Intangible Assets [Line Items]          
Revenues $ 0 $ 0 $ 0 $ 0