v3.26.1
Consolidated Statements of Stockholders’ Equity - USD ($)
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2023   762,600      
Beginning balance at Dec. 31, 2023 $ 96,157,000   $ 677,342,000 $ (581,208,000) $ 23,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation expense 9,736,000   9,736,000    
Issue common stock, net of issuance costs (in shares)   968,600      
Issue common stock, net of issuance costs 41,481,000   41,481,000    
Issue stock for warrant exercises (in shares)   133,500      
Issue stock for warrant exercises 4,000   4,000    
Issue stock for employee stock purchase plan (in shares)   500      
Issue stock for employee stock purchase plan 13,000   13,000    
Issuance of common stock due to the vesting of restricted stock units, net of shares withheld to cover taxes (in shares)   200      
Issuance of common stock due to the vesting of restricted stock units, net of shares withheld to cover taxes (3,000)   (3,000)    
Net loss (112,017,000)     (112,017,000)  
Other comprehensive income (loss) $ 4,000       4,000
Ending balance (in shares) at Dec. 31, 2024 1,865,400 1,865,400      
Ending balance at Dec. 31, 2024 $ 35,375,000   728,573,000 (693,225,000) 27,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation expense 4,534,000   4,534,000    
Issue common stock, net of issuance costs (in shares)   8,496,600      
Issue common stock, net of issuance costs 30,560,000 $ 1,000 30,559,000    
Issue stock for warrant exercises (in shares)   355,000      
Issue stock for warrant exercises $ 9,000   9,000    
Issue stock for employee stock purchase plan (in shares) 1,000        
Issuance of common stock for convertible debentures payable (in shares)   22,000      
Issuance of common stock for convertible debentures payable $ 350,000   350,000    
Issuance of common stock due to the vesting of restricted stock units, net of shares withheld to cover taxes (in shares)   1,200      
Issuance of common stock due to the vesting of restricted stock units, net of shares withheld to cover taxes 1,000   1,000    
Net loss (26,395,000)     (26,395,000)  
Other comprehensive income (loss) $ (10,000)       (10,000)
Ending balance (in shares) at Dec. 31, 2025 10,740,200 10,740,200      
Ending balance at Dec. 31, 2025 $ 44,424,000 $ 1,000 $ 764,026,000 $ (719,620,000) $ 17,000