v3.26.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Current assets:              
Cash and cash equivalents   $ 64,950 $ 50,761 $ 17,667 $ 16,709 $ 27,756  
Marketable securities   25,242 69,908   0    
Accounts receivable   500 879   1,280    
Total prepaid expenses and other current assets   4,646 4,464   2,260    
Total current assets   95,338 126,012   20,249    
Restricted cash   850 1,450 1,450 1,450    
Property and equipment, net   29,746 26,553   6,723    
Operating lease right-of-use assets   4,762 5,261   7,115    
Other assets   124 131   24    
Total assets   130,820 159,407   35,561    
Current liabilities:              
Accounts payable   1,032 1,455   1,372    
Accrued expenses and other current liabilities   10,817 11,354   11,416    
Operating lease liabilities, current   1,733 1,916   1,638    
Debt, current portion   936 1,065   16,792    
Second lien loans   11,346 10,872   0    
Total current liabilities   25,864 26,662   31,218    
Debt, net of current portion $ 29,752 29,752 29,878   17,574    
Operating lease liabilities, noncurrent   3,253 3,584   5,723    
Warrant liabilities, noncurrent   93,688 158,346   1,619    
Other liabilities   996 804   313    
Total liabilities   153,553 219,274   115,748    
Commitments and contingencies (Note 10)        
Redeemable convertible preferred stock   223,185 223,185 170,648 170,648 170,648 $ 170,648
Stockholders’ deficit              
Common stock, $0.0001 par value; 1,980,000 and 265,000 shares authorized as of December 31, 2025 and December 31, 2024, respectively; 175,4401 and 58,057 shares issued and outstanding as of December 31, 2025 and December 31, 2024, respectively   18 17 [1]   6 [1]    
Additional paid-in capital   581,245 570,578   17,303    
Accumulated other comprehensive income   (2) 22   0    
Accumulated deficit   (827,179) (853,669)   (268,144)    
Total stockholders’ deficit   (245,918) (283,052) $ (376,634) (250,835) $ (187,098) $ (135,128)
Total liabilities, redeemable convertible preferred stock and stockholders’ deficit   130,820 159,407   35,561    
Series A cumulative redeemable convertible preferred stock              
Current liabilities:              
Redeemable convertible preferred stock   $ 223,185 $ 223,185   $ 0    
[1] Excludes 6,250,000 shares legally issued and outstanding related to sponsor earn out securities (see Note 3).