v3.26.1
Fair Value Instruments (Tables) - GIGCAPITAL7 CORP [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis
The following table presents information about the Company’s assets and liabilities that are measured at fair value on a recurring basis as of March 31, 2026 and December 31, 2025, and indicates the fair value hierarchy of the valuation inputs the Company utilized to determine such fair value:
 
Description:
  
Level
    
March 31, 2026
    
December 31, 2025
 
Assets:
        
Cash and marketable securities held in Trust Account
     1      $ 213,506,528      $ 211,637,310  
     
 
 
    
 
 
 
Liabilities:
        
Derivative liability
     3      $ 15,706      $ —   
     
 
 
    
 
 
 
Warrant liability
     2      $ 1,182,642      $ 1,524,790  
     
 
 
    
 
 
 
The following table presents information about the Company’s assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2025 and December 31, 2024, and indicates the fair value hierarchy of the valuation inputs the Company utilized to determine such fair value:
 

Description:
  
Level
  
December 31,
2025
 
  
December 31,
2024
 
Assets:
  
  
  
Cash and marketable securities held in Trust Account
  
1
  
$
211,637,310
 
  
$
203,188,704
 
Liabilities:
        
Warrant liability
  
2
  
$
1,524,790
 
  
$
241,735
 
Schedule of Estimated Fair Value of Working Capital Note  
The fair value of the warrants was estimated using the following assumptions:
 
    
Upon
Issuance
   
As of
September 11,
2024
 
Stock Price
   $ 9.08     $ 9.18  
Volatility
     9.0     8.0
Risk free interest rate
     3.78     3.52
Exercise price
   $ 11.50     $ 11.50  
Time to maturity - years
     6.75       6.72  
Schedule of Fair Value of Working Capital Note
The following table presents information about the change in fair value of the Company’s Level 3 derivative liability during the three months ended March 31, 2026.
 
    
March 31, 2026
 
Fair value beginning of period
   $ 30,449  
Change in fair value
     (14,743
  
 
 
 
Fair value—end of period
   $ 15,706  
  
 
 
 
The change in the fair value of the Level 3 warrant liability in the period from May 8, 2024 (date of inception) through September 11, 2024, was as follows:
 

 
  
Period from
May 8, 2024
(Inception) through
September 11, 2024
 
Fair value - beginning of period
   $ —   
Additions
     58,060  
Change in fair value
     2,929,653  
Transfers out of level 3 to level 2
     (2,987,713
Fair value - end of period
   $ —   
Schedule Of Estimated Fair Value Of Derivative Liability Based On Significant Inputs At Issuance [Text Block]
The derivative liability was valued using the Black-Scholes option pricing model. The estimated fair value of the derivative liability was based on the following inputs at issuance and as of March 31, 2026:
 
    
Upon Issuance
   
As of
March 31, 2026
 
Unit price
   $ 11.12     $ 11.00  
Expected term
     0.33       0.17  
Volatility
     56     7
Risk free interest rate
     3.69     3.72
Exercise price
   $ 10.0     $ 10.0  
Dividend yield
     0     0