v3.26.1
Net Loss Per Share Attributable to Common Stockholders - Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders (Details) - shares
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities 787,624 2,987
Convertible Preferred Stock [Member]    
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities 823
Convertible Notes Payable [Member]    
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities 1,956
Related Party Convertible Notes Payable at Fair Value [Member]    
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities [1] 310 0
Convertible loans payable - held at fair value [Member]    
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities [2] 751,012
Warrants [Member]    
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities 35,670
Options to Purchase Common Stock [Member]    
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities 245 208
Earnout shares [Member]    
Schedule of Diluted Net Loss Per Share Attributable to Common Stockholders [Line Items]    
Antidilutive securities [3] 387
[1] Includes the assumed issuance of 183 shares of common stock for the conversion of Tasly Convertible Notes at $14,400.00 per share;
[2] Includes the assumed issuance of 751,012 shares of common stock at the conversion price of $10.87 per share for the Ascent PIPE Notes, taking 95% of the lowest closing share price in the 10 trading days preceding June 30, 2026;
[3] These earnout shares exclude 129 shares allocated to Milestone III, as Milestone III expired as of December 31, 2025.