v3.26.1
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, 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)     6,655,181 11,485,040    
Issuance of common stock upon the exercise of warrants 4,992 $ 1 $ 1 $ 1 4,991  
Issuance of common stock under employee stock purchase plan (in shares)     49,433      
Issuance of common stock under employee stock purchase plan 48       48  
Stock-based compensation 1,006       1,006  
Net loss (12,414)         (12,414)
Ending balance (in shares) at Jun. 30, 2025     100,367,113      
Ending balance at Jun. 30, 2025 26,149   $ 10   286,678 (260,539)
Beginning balance (in shares) at Mar. 31, 2025     90,896,125      
Beginning balance at Mar. 31, 2025 27,759   $ 9   281,688 (253,938)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock, common stock warrants, and pre-funded warrants, net of issuance costs (in shares)     3,485,040      
Issuance of common stock upon the exercise of warrants (in shares)     5,985,948      
Issuance of common stock upon the exercise of warrants 4,490   $ 1   4,489  
Stock-based compensation 501       501  
Net loss (6,601)         (6,601)
Ending balance (in shares) at Jun. 30, 2025     100,367,113      
Ending balance at Jun. 30, 2025 $ 26,149   $ 10   286,678 (260,539)
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)     48,769,565      
Issuance of common stock upon the exercise of warrants 82,918   $ 5   82,913  
Issuance of common stock under employee stock purchase plan (in shares)     45,850      
Issuance of common stock under employee stock purchase plan 66       66  
Stock-based compensation 1,813       1,813  
Net loss $ (18,012)         (18,012)
Ending balance (in shares) at Jun. 30, 2026 201,918,874   201,918,874      
Ending balance at Jun. 30, 2026 $ 137,656   $ 20   430,636 (293,000)
Beginning balance (in shares) at Mar. 31, 2026     181,332,574      
Beginning balance at Mar. 31, 2026 107,412   $ 18   390,789 (283,395)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock upon the exercise of warrants (in shares)     20,586,300      
Issuance of common stock upon the exercise of warrants 38,834   $ 2   38,832  
Stock-based compensation 1,015       1,015  
Net loss $ (9,605)         (9,605)
Ending balance (in shares) at Jun. 30, 2026 201,918,874   201,918,874      
Ending balance at Jun. 30, 2026 $ 137,656   $ 20   $ 430,636 $ (293,000)