v3.26.1
Condensed Balance Sheets - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Current assets      
Cash $ 2,129,451 $ 1,757,241 $ 17,276
Prepaid expenses   333,403 0
Due from stockholder   0 24,614
Prepaid expenses and other current assets 81,134 333,403  
Total current assets 2,210,585 2,090,644 41,890
Property and equipment, net 35,419 37,364 4,688
Operating lease right-of-use assets, net 60,611 81,607 0
Other assets 0 6,006 0
Deferred transaction costs 2,290,926 1,874,924 0
Total assets 4,597,541 4,090,545 46,578
Current liabilities:      
Accounts payable 1,832,384 97,937 0
Accrued expenses 11,908,228 17,383,394 70,725
Operating lease liabilities, current portion 20,946 37,731 0
Total current liabilities 13,761,558 17,519,062 70,725
Operating lease liabilities 10,023 12,499 0
Simple Agreements for Future Equity 34,524,160 46,358,393 566,404
Total liabilities 48,295,741 63,889,954 637,129
Commitments and contingencies
Stockholders' deficit:      
Ordinary shares 255 255 250
Additional paid-in capital 15,302,584 12,568,471 2,755
Accumulated deficit (59,001,039) (72,368,135) (593,556)
Total stockholders' deficit (43,698,200) (59,799,409) (590,551)
Total liabilities and stockholders' deficit 4,597,541 4,090,545 46,578
GIGCAPITAL7 CORP [Member]      
Current assets      
Cash 54,692 89,362 1,344,228
Prepaid expenses and other current assets 154,351 151,344 207,680
Total current assets 209,043 240,706 1,551,908
Cash and marketable securities held in Trust Account 213,506,528 211,637,310 203,188,704
Other assets   0 85,984
Total assets 213,715,571 211,878,016 204,826,596
Current liabilities:      
Accounts payable 333,683 170,775 25,439
Accrued expenses 622,747 123,464 114,000
Convertible working capital loan—related party 132,776 0  
Related party payable 5,738 4,053 34,048
Derivative liability 15,706 0  
Accrued legal services 2,649,839 1,818,095 0
Total current liabilities 3,760,489 2,116,387 173,487
Warrant liability 1,182,642 1,524,790 241,735
Total liabilities 4,943,131 3,641,177 415,222
Commitments and contingencies
Stockholders' deficit:      
Preferred shares 0 0 0
Additional paid-in capital 0 0 0
Accumulated deficit (4,635,421) (3,301,804) 1,321,337
Total stockholders' deficit (4,634,088) (3,300,471) 1,322,670
Total liabilities and stockholders' deficit 213,715,571 211,878,016 204,826,596
GIGCAPITAL7 CORP [Member] | Class A Ordinary Shares      
Current liabilities:      
Class A ordinary shares subject to possible redemption, par value of $0.0001 per share; 200,000,000 shares authorized; 20,000,000 shares at a redemption value of $10.67 per share and $10.58 per share as of March 31, 2026 and December 31, 2025, respectively 213,406,528 211,537,310 203,088,704
Stockholders' deficit:      
Ordinary shares 0 0 0
GIGCAPITAL7 CORP [Member] | Class B Ordinary Shares      
Stockholders' deficit:      
Ordinary shares $ 1,333 $ 1,333 $ 1,333