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Warrants, Redeemable Convertible Preferred Stock and Stockholders' Deficit - Additional Information (Details)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
USD ($)
$ / shares
shares
Jun. 30, 2025
Class
$ / shares
shares
Jun. 30, 2024
USD ($)
$ / shares
shares
Dec. 31, 2024
$ / shares
shares
Class of Stock [Line Items]        
Number of class of authorized common stock | Class   1    
Number of shares authorized for issuance   500,000,000   500,000,000
Common stock, par value | $ / shares   $ 0.000001   $ 0.000001
Common stock, voting rights   one vote per share    
Common stock, capital shares reserved for conversion, exercise or issuance   16,131,116    
Unused common stock capital shares reserved for conversion or exercise   178,588    
Total shares   15,952,528    
Preferred stock, par value | $ / shares   $ 0.000001    
Preferred stock, cash dividends rate   8.00%    
Dividends declared | $ / shares   $ 0    
Series G Preferred Shares [Member]        
Class of Stock [Line Items]        
Number of shares, issued 57,068,338 0 57,068,338  
Original issuance price per share | $ / shares $ 0.9   $ 0.9  
Cash proceeds | $ $ 51.5   $ 51.5  
Issuance costs | $ $ 0.1   $ 0.1