v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
$ in Thousands
Total
At The Market Offering
Common stock – Class A
Preferred Stock
Preferred stock – Series A
Common stock
Common stock – Class A
Common stock
Common stock – Class A
At The Market Offering
Additional paid-in capital
Additional paid-in capital
At The Market Offering
Accumulated deficit
Beginning balance (in shares) at Dec. 31, 2024       0          
Beginning balance at Dec. 31, 2024 $ (7,810)     $ 0 $ 0   $ 400,183   $ (407,993)
Beginning balance (in shares) at Dec. 31, 2024         155,781        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Issuance of common stock upon release of RSUs (in shares)         110        
Share repurchase related to Section 16 Officer tax coverage exchange (in shares)         (24)        
Share repurchase related to Section 16 Officer tax coverage exchange (1)           (1)    
Issuance of common stock under At-The-Market Offering, net of issuance costs and related warrants in registered offering, net of issuance costs (in shares)         16,807        
Issuance of common stock under At-The-Market Offering, net of issuance costs and related warrants in registered offering, net of issuance costs 4,401           4,401    
Issuance of common stock upon exercise of pre-funded warrants (in shares)         65,932        
Issuance of common stock in connection with warrant inducement, net of issuance costs (in shares)         18,544        
Issuance of common stock in connection with warrant inducement, net of issuance costs 1,889           1,889    
Issuance of common stock for convertible note principal and interest (in shares)         10,645        
Issuance of common stock for convertible note principal and interest 664           664    
Stock-based compensation - stock options, RSAs, RSUs 1,057           1,057    
Net loss (6,172)               (6,172)
Ending balance (in shares) at Mar. 31, 2025       0          
Ending balance at Mar. 31, 2025 $ (5,972)     $ 0 $ 0   408,193   (414,165)
Ending balance (in shares) at Mar. 31, 2025         267,795        
Beginning balance (in shares) at Dec. 31, 2025 547,408     547,408          
Beginning balance at Dec. 31, 2025 $ 17,140     $ 0 $ 0   455,718   (438,578)
Beginning balance (in shares) at Dec. 31, 2025     2,165,559   2,165,559        
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Issuance of common stock upon release of RSUs (in shares)         73        
Share repurchase related to Section 16 Officer tax coverage exchange (in shares)         (4)        
Issuance of common stock upon conversion of preferred stock (in shares)       547,408 306,672        
Issuance of common stock under At-The-Market Offering, net of issuance costs and related warrants in registered offering, net of issuance costs (in shares)           2,203,615      
Issuance of common stock under At-The-Market Offering, net of issuance costs and related warrants in registered offering, net of issuance costs   $ 12,929           $ 12,929  
Issuance of pre-funded warrants and warrants in private placement, net of issuance costs 4,580           4,580    
Issuance of common stock upon exercise of pre-funded warrants (in shares)         945,136        
Issuance of common stock in settlement of accounts payable (in shares)         5,723        
Issuance of common stock in settlement of accounts payable 95           95    
Issuance of common stock upon exercise of warrant liability (in shares)         4,202        
Issuance of common stock for convertible note principal and interest (in shares)         159,030        
Issuance of common stock for convertible note principal and interest 973           973    
Issuance of common stock in relation to the convertible debt settlement (in shares)         50,000        
Issuance of common stock in relation to the convertible debt settlement 606           606    
Stock-based compensation - stock options, RSAs, RSUs 322           322    
Net loss $ (9,480)               (9,480)
Ending balance (in shares) at Mar. 31, 2026 0     0          
Ending balance at Mar. 31, 2026 $ 27,165     $ 0 $ 0   $ 475,223   $ (448,058)
Ending balance (in shares) at Mar. 31, 2026     5,840,006   5,840,006