v3.26.3
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, 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-ATM (in shares)         7,457,627          
Common Stock issued under public equity offering-ATM   $ 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]                    
Warrants issued under the Purchase Agreement 1,430                  
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)    
Shares issued under employee stock purchase plan (in shares)       18,056            
Shares issued under employee stock purchase plan 59           59      
Share-based compensation expense 1,875           1,875      
Vested restricted stock units, net (in shares)       10,561            
Vested restricted stock units, net (19)           (19)      
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-ATM (in shares)           21,250,000        
Common Stock issued under public equity offering-ATM     $ 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 under the Securities Purchase Agreements (in shares)       550,000            
Common Stock issued upon warrant exercises under the Securities Purchase Agreements 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)
Beginning balance (in shares) at Dec. 31, 2025       122,044,299            
Beginning balance at Dec. 31, 2025 (33,662)     $ 122     413,214     (446,998)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Common Stock issued under public equity offering-ATM (in shares)         1,191,071          
Common Stock issued under public equity offering-ATM   5,062     $ 1     5,061    
Costs of Common Stock issued under public equity offering-ATM   (303)           (303)    
Warrants issued under the Purchase Agreement 916           916      
Share-based compensation expense 2,318           2,318      
Vested restricted stock units, net (in shares)       1,048,422            
Vested restricted stock units, net (329)     $ 1     (330)      
Options exercises, net (in shares)       750            
Options exercised, net 1           1      
Net loss (8,057)                 (8,057)
Ending balance (in shares) at Mar. 31, 2026       124,284,542            
Ending balance at Mar. 31, 2026 (34,054)     $ 124     420,877     (455,055)
Beginning balance (in shares) at Dec. 31, 2025       122,044,299            
Beginning balance at Dec. 31, 2025 (33,662)     $ 122     413,214     (446,998)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Warrants issued under the Purchase Agreement 154                  
Net loss (47,417)                  
Ending balance (in shares) at Sep. 30, 2026       125,687,705            
Ending balance at Sep. 30, 2026 (70,824)     $ 126     423,465     (494,415)
Beginning balance (in shares) at Mar. 31, 2026       124,284,542            
Beginning balance at Mar. 31, 2026 (34,054)     $ 124     420,877     (455,055)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Costs of Common Stock issued under public equity offering-ATM   (79)           (79)    
Warrants issued under the Credit Agreement 663           663      
Shares issued under employee stock purchase plan (in shares)       19,660            
Shares issued under employee stock purchase plan 82           82      
Share-based compensation expense 2,880           2,880      
Vested restricted stock units, net (in shares)       1,172,446            
Vested restricted stock units, net (3,241)     $ 2     (3,243)      
Options exercises, net (in shares)       35,000            
Options exercised, net 27           27      
Net loss (22,864)                 (22,864)
Ending balance (in shares) at Jun. 30, 2026       125,511,648            
Ending balance at Jun. 30, 2026 (56,586)     $ 126     421,207     (477,919)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Costs of Common Stock issued under public equity offering-ATM   $ (27)           $ (27)    
Share-based compensation expense 2,126           2,126      
Vested restricted stock units, net (in shares)       6,759            
Vested restricted stock units, net (18)     $ 0     (18)      
Options exercises, net (in shares)       8,750            
Options exercised, net 23           23      
Common Stock issued upon warrant exercises under the Securities Purchase Agreements (in shares)       160,548            
Common Stock issued upon warrant exercises under the Securities Purchase Agreements 154           154      
Net loss (16,496)                 (16,496)
Ending balance (in shares) at Sep. 30, 2026       125,687,705            
Ending balance at Sep. 30, 2026 $ (70,824)     $ 126     $ 423,465     $ (494,415)