v3.26.3
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Pre-Funded Warrants
Common Stock
Common Stock
Pre-Funded Warrants
Additional Paid-In Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2024     73,977,459      
Beginning balance at Dec. 31, 2024 $ 9,465   $ 7   $ 257,583 $ (248,125)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon warrant inducement, net of issuance costs (in shares)     19,685,040      
Issuance of common stock upon warrant inducement, net of issuance costs 21,986   $ 2   21,984  
Issuance of common stock, common stock warrants, and pre-funded warrants, net of issuance costs (in shares)     8,200,000      
Issuance of common stock, common stock warrants, and pre-funded warrants, net of issuance costs 23,051   $ 1   23,050  
Issuance of common stock upon the exercise of warrants (in shares)     11,615,537 11,485,040    
Issuance of common stock upon the exercise of warrants 8,711 $ 1 $ 1 $ 1 8,710  
Issuance of common stock under employee stock purchase plan (in shares)     115,449      
Issuance of common stock under employee stock purchase plan 112       112  
Stock-based compensation 1,509       1,509  
Net loss (19,205)         (19,205)
Ending balance (in shares) at Sep. 30, 2025     125,078,525      
Ending balance at Sep. 30, 2025 45,630   $ 12   312,948 (267,330)
Beginning balance (in shares) at Jun. 30, 2025     100,367,113      
Beginning balance at Jun. 30, 2025 26,149   $ 10   286,678 (260,539)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon warrant inducement, net of issuance costs (in shares)     19,685,040      
Issuance of common stock upon warrant inducement, net of issuance costs 21,986   $ 2   21,984  
Issuance of common stock upon the exercise of warrants (in shares)     4,960,356      
Issuance of common stock upon the exercise of warrants 3,720       3,720  
Issuance of common stock under employee stock purchase plan (in shares)     66,016      
Issuance of common stock under employee stock purchase plan 63       63  
Stock-based compensation 503       503  
Net loss (6,791)         (6,791)
Ending balance (in shares) at Sep. 30, 2025     125,078,525      
Ending balance at Sep. 30, 2025 $ 45,630   $ 12   312,948 (267,330)
Beginning balance (in shares) at Dec. 31, 2025 153,103,459   153,103,459      
Beginning balance at Dec. 31, 2025 $ 70,871   $ 15   345,844 (274,988)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon the exercise of warrants (in shares)     50,360,100      
Issuance of common stock upon the exercise of warrants 85,142   $ 5   85,137  
Issuance of common stock under employee stock purchase plan (in shares)     64,274      
Issuance of common stock under employee stock purchase plan 150       150  
Stock-based compensation 3,745       3,745  
Net loss $ (28,103)         (28,103)
Ending balance (in shares) at Sep. 30, 2026 203,527,833   203,527,833      
Ending balance at Sep. 30, 2026 $ 131,805   $ 20   434,876 (303,091)
Beginning balance (in shares) at Jun. 30, 2026     201,918,874      
Beginning balance at Jun. 30, 2026 137,656   $ 20   430,636 (293,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon the exercise of warrants (in shares)     1,590,535      
Issuance of common stock upon the exercise of warrants 2,224       2,224  
Issuance of common stock under employee stock purchase plan (in shares)     18,424      
Issuance of common stock under employee stock purchase plan 84       84  
Stock-based compensation 1,932       1,932  
Net loss $ (10,091)         (10,091)
Ending balance (in shares) at Sep. 30, 2026 203,527,833   203,527,833      
Ending balance at Sep. 30, 2026 $ 131,805   $ 20   $ 434,876 $ (303,091)