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Condensed Statements of Stockholders' (Deficit) Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Balances at Dec. 31, 2023 $ 4,580 $ 5 [1] $ 424,141 [1] $ (419,566)
Common Stock Balance, Shares at Dec. 31, 2023 [1]   4,812    
Issuance of common stock, net 607   607 [1]  
Issuance of common stock, net, Shares [1]   16    
Issuance of common stock under employee stock purchase plan 282   282 [1]  
Issuance of common stock under employee stock purchase plan, Shares [1]   11    
Exercise of stock options 3   3 [1]  
Release of restricted stock units, shares [1]   19    
Share-based compensation 2,640   2,640 [1]  
Net Income (Loss) (13,614)     (13,614)
Balances at Mar. 31, 2024 (5,502) $ 5 [1] 427,673 [1] (433,180)
Common Stock Balance, Shares at Mar. 31, 2024 [1]   4,858    
Balances at Dec. 31, 2023 4,580 $ 5 [1] 424,141 [1] (419,566)
Common Stock Balance, Shares at Dec. 31, 2023 [1]   4,812    
Net Income (Loss) (34,680)      
Balances at Sep. 30, 2024 27,857 $ 7 [1] 482,096 [1] (454,246)
Common Stock Balance, Shares at Sep. 30, 2024 [1]   7,274    
Balances at Dec. 31, 2023 4,580 $ 5 [1] 424,141 [1] (419,566)
Common Stock Balance, Shares at Dec. 31, 2023 [1]   4,812    
Balances at Dec. 31, 2024 20,876 $ 7 [2] 483,366 [2] (462,497)
Common Stock Balance, Shares at Dec. 31, 2024 [2]   7,275    
Balances at Mar. 31, 2024 (5,502) $ 5 [1] 427,673 [1] (433,180)
Common Stock Balance, Shares at Mar. 31, 2024 [1]   4,858    
Conversion of preferred stock liabilities to common stock, net 33,150 $ 2 [1] 33,148 [1]  
Conversion of preferred stock liabilities to common stock, net, Shares [1]   1,522    
Issuance of common stock, net 18,198   18,198 [1]  
Issuance of common stock, net, Shares [1]   870    
Exercise of stock options 4   4 [1]  
Release of restricted stock units, shares [1]   8    
Share-based compensation 1,218   1,218 [1]  
Net Income (Loss) (10,808)     (10,808)
Balances at Jun. 30, 2024 36,260 $ 7 [1] 480,241 [1] (443,988)
Common Stock Balance, Shares at Jun. 30, 2024 [1]   7,258    
Issuance of common stock, net (15)   (15) [1]  
Issuance of common stock under employee stock purchase plan 343   343 [1]  
Issuance of common stock under employee stock purchase plan, Shares [1]   13    
Exercise of stock options 12   12 [1]  
Exercise of stock options, shares [1]   1    
Release of restricted stock units, shares [1]   2    
Share-based compensation 1,515   1,515 [1]  
Net Income (Loss) (10,258)     (10,258)
Balances at Sep. 30, 2024 27,857 $ 7 [1] 482,096 [1] (454,246)
Common Stock Balance, Shares at Sep. 30, 2024 [1]   7,274    
Balances at Dec. 31, 2024 20,876 $ 7 [2] 483,366 [2] (462,497)
Common Stock Balance, Shares at Dec. 31, 2024 [2]   7,275    
Issuance of common stock under employee stock purchase plan 313   313 [2]  
Issuance of common stock under employee stock purchase plan, Shares [2]   23    
Release of restricted stock units, shares [2]   24    
Share-based compensation 972   972 [2]  
Net Income (Loss) (11,101)     (11,101)
Balances at Mar. 31, 2025 11,060 $ 7 [2] 484,651 [2] (473,598)
Common Stock Balance, Shares at Mar. 31, 2025 [2]   7,322    
Balances at Dec. 31, 2024 20,876 $ 7 [2] 483,366 [2] (462,497)
Common Stock Balance, Shares at Dec. 31, 2024 [2]   7,275    
Reclassification of Tranche C warrants to additional paid-in capital 280      
Net Income (Loss) (31,285)      
Balances at Sep. 30, 2025 (1,722) $ 8 [2] 492,052 [2] (493,782)
Common Stock Balance, Shares at Sep. 30, 2025 [2]   7,955    
Balances at Mar. 31, 2025 11,060 $ 7 [2] 484,651 [2] (473,598)
Common Stock Balance, Shares at Mar. 31, 2025 [2]   7,322    
Release of restricted stock units, shares [2]   7    
Share-based compensation 1,039   1,039 [2]  
Change in fair value of Perceptive Warrants 227   227 [2]  
Reclassification of Tranche C warrants to additional paid-in capital 280   280 [2]  
Net Income (Loss) (11,468)     (11,468)
Balances at Jun. 30, 2025 1,138 $ 7 [2] 486,197 [2] (485,066)
Common Stock Balance, Shares at Jun. 30, 2025 [2]   7,329    
Issuance of common stock, net 4,619 $ 1 [2] 4,618 [2]  
Issuance of common stock, net, Shares [2]   597    
Issuance of common stock under employee stock purchase plan 184   184 [2]  
Issuance of common stock under employee stock purchase plan, Shares [2]   25    
Release of restricted stock units, shares [2]   4    
Share-based compensation 1,053   1,053 [2]  
Net Income (Loss) (8,716)     (8,716)
Balances at Sep. 30, 2025 $ (1,722) $ 8 [2] $ 492,052 [2] $ (493,782)
Common Stock Balance, Shares at Sep. 30, 2025 [2]   7,955    
[1] All Common stock share and related dollar information as well as Additional paid-in capital has been adjusted to reflect the 1-for-20 reverse stock split effective September 15, 2025.
[2] All Common stock share and related dollar information as well as Additional paid-in capital has been adjusted to reflect the 1-for-20 reverse stock split effective September 15, 2025.