v3.26.1
Condensed Balance Sheets (Parentheticals) - $ / shares
Feb. 12, 2025
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Common stock, par value (in dollars per share)   $ 0.0001   $ 0.0001  
Common stock, shares authorized (in shares)   100   100  
Common stock, shares issued (in shares)   100   100  
Common stock, shares outstanding (in shares)   100   100  
Archimedes Tech SPAC Partners II Co          
Ordinary shares subject to possible redemption, shares (in shares)   23,000,000   23,000,000 0
us-gaap_TemporaryEquityRedemptionPricePerShare   $ 10.62   $ 10.43 $ 0
Preferred Stock, Par or Stated Value Per Share   $ 0.0001   $ 0.0001 $ 0.0001
Preferred Stock, Shares Authorized   1,000,000   1,000,000 1,000,000
Preferred Stock, Shares Issued   0   0 0
Preferred Stock, Shares Outstanding   0 0 0 0
Common stock, par value (in dollars per share)   $ 0.0001   $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares)   400,000,000   400,000,000 400,000,000
Common stock, shares issued (in shares)   6,590,000   6,590,000 5,750,000
Common stock, shares outstanding (in shares)   6,590,000   6,590,000 5,750,000
Temporary Equity, Shares Outstanding (in shares)   23,000,000   23,000,000 0
Shares Subject to Forfeiture (in shares)         750,000
Archimedes Tech SPAC Partners II Co | IPO [Member]          
Common stock, par value (in dollars per share) $ 0.0001        
Units Issued During Period, Shares (in shares) 23,000,000        
Archimedes Tech SPAC Partners II Co | Over-Allotment Option [Member]          
Units Issued During Period, Shares (in shares) 3,000,000