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Condensed Statements of Changes in Stockholders' Deficit - USD ($)
$ in Thousands
Total
Public Equity Offering - ATM
Public Equity Offering
Common Stock
Common Stock
Public Equity Offering - ATM
Common Stock
Public Equity Offering
Additional Paid-in Capital
Additional Paid-in Capital
Public Equity Offering - ATM
Additional Paid-in Capital
Public Equity Offering
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023       68,533,085            
Beginning balance at Dec. 31, 2023 $ (106,487)     $ 69     $ 212,521     $ (319,077)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Common stock issued under public equity offering (in shares)         4,557,220 16,666,667        
Common Stock issued under public equity offering   $ 12,385 $ 75,000   $ 4 $ 17   $ 12,381 $ 74,983  
Costs of common stock issued under public equity offering     (5,187)           (5,187)  
Costs of common stock issued under public equity offering-ATM   (410)           (410)    
Share-based compensation expense 1,580           1,580      
Vested restricted stock units, net (in shares)       490,359            
Vested restricted stock units, net (893)           (893)      
Options exercises, net (in shares)       231,400            
Options exercised, net 539           539      
Net loss (12,828)                 (12,828)
Ending balance (in shares) at Mar. 31, 2024       90,478,731            
Ending balance at Mar. 31, 2024 (36,301)     $ 90     295,514     (331,905)
Beginning balance (in shares) at Dec. 31, 2023       68,533,085            
Beginning balance at Dec. 31, 2023 (106,487)     $ 69     212,521     (319,077)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Net loss (27,082)                  
Ending balance (in shares) at Sep. 30, 2024       91,178,193            
Ending balance at Sep. 30, 2024 (45,420)     $ 91     300,648     (346,159)
Beginning balance (in shares) at Mar. 31, 2024       90,478,731            
Beginning balance at Mar. 31, 2024 (36,301)     $ 90     295,514     (331,905)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Common stock issued under public equity offering (in shares)         559,801          
Common Stock issued under public equity offering   2,520     $ 1     2,519    
Costs of common stock issued under public equity offering     (359)           (359)  
Costs of common stock issued under public equity offering-ATM   (158)           (158)    
Share-based compensation expense 1,523           1,523      
Vested restricted stock units, net (in shares)       3,512            
Vested restricted stock units, net (5)           (5)      
Shares issued under employee stock purchase plan (in shares)       17,716            
Shares issued under employee stock purchase plan 46           46      
Net loss (2,745)                 (2,745)
Ending balance (in shares) at Jun. 30, 2024       91,059,760            
Ending balance at Jun. 30, 2024 (35,479)     $ 91     299,080     (334,650)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Share-based compensation expense 1,577           1,577      
Vested restricted stock units, net (in shares)       (7,192)            
Vested restricted stock units, net (202)           (202)      
Options exercises, net (in shares)       125,625            
Options exercised, net 193           193      
Net loss (11,509)                 (11,509)
Ending balance (in shares) at Sep. 30, 2024       91,178,193            
Ending balance at Sep. 30, 2024 (45,420)     $ 91     300,648     (346,159)
Beginning balance (in shares) at Dec. 31, 2024       91,413,742            
Beginning balance at Dec. 31, 2024 (60,156)     $ 91     302,967     (363,214)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Common stock issued under public equity offering (in shares)         7,457,627          
Common Stock issued under public equity offering   22,000     $ 8     21,992    
Costs of common stock issued under public equity offering-ATM   (729)           (729)    
Share-based compensation expense 1,587           1,587      
Vested restricted stock units, net (in shares)       445,784            
Vested restricted stock units, net (702)           (702)      
Net loss (22,930)                 (22,930)
Ending balance (in shares) at Mar. 31, 2025       99,317,153            
Ending balance at Mar. 31, 2025 (60,930)     $ 99     325,115     (386,144)
Beginning balance (in shares) at Dec. 31, 2024       91,413,742            
Beginning balance at Dec. 31, 2024 (60,156)     $ 91     302,967     (363,214)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Net loss (51,924)                  
Ending balance (in shares) at Sep. 30, 2025       121,658,113            
Ending balance at Sep. 30, 2025 (4,109)     $ 121     410,908     (415,138)
Beginning balance (in shares) at Mar. 31, 2025       99,317,153            
Beginning balance at Mar. 31, 2025 (60,930)     $ 99     325,115     (386,144)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Costs of common stock issued under public equity offering-ATM (34)           (34)      
Share-based compensation expense 1,875           1,875      
Vested restricted stock units, net (in shares)       10,561            
Vested restricted stock units, net (19)           (19)      
Shares issued under employee stock purchase plan (in shares)       18,056            
Shares issued under employee stock purchase plan $ 59           59      
Options exercises, net (in shares) 7,500                  
Options exercised, net $ 7           7      
Net loss (13,548)                 (13,548)
Ending balance (in shares) at Jun. 30, 2025       99,353,270            
Ending balance at Jun. 30, 2025 (72,590)     $ 99     327,003     (399,692)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Common stock issued under public equity offering (in shares)         21,250,000          
Common Stock issued under public equity offering   85,000     $ 21     84,979    
Costs of common stock issued under public equity offering     $ (5,537)           $ (5,537)  
Costs of common stock issued under public equity offering-ATM   $ (10)           $ (10)    
Share-based compensation expense 2,777           2,777      
Vested restricted stock units, net (in shares)       304,843            
Vested restricted stock units, net (72)           (72)      
Options exercises, net (in shares)       200,000            
Options exercised, net 339           339      
Common stock issued upon warrant exercises (in shares)       550,000            
Common stock issued upon warrant exercises 1,430     $ 1     1,429      
Net loss (15,446)                 (15,446)
Ending balance (in shares) at Sep. 30, 2025       121,658,113            
Ending balance at Sep. 30, 2025 $ (4,109)     $ 121     $ 410,908     $ (415,138)