v3.26.1
CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Private Placement
Common Stock
At the Market Offering
Common Stock
Stock Subscription Receivable
Additional Paid-in Capital
Private Placement
Additional Paid-in Capital
At the Market Offering
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Private Placement
At the Market Offering
Total
Balance at the beginning of the period at Dec. 31, 2023     $ 26       $ 459,591 $ 106 $ (399,582)     $ 60,141
Balance at the beginning of the period (in shares) at Dec. 31, 2023     25,565,414                  
Increase (Decrease) in Stockholders' Equity                        
Issuance of common stock upon vest of restricted stock units (in shares)     27,500                  
Issuance of common stock upon exercise of stock options             92         $ 92
Issuance of common stock upon exercise of stock options (in shares)     34,698                 34,698
Issuance of common stock upon exercise of warrants             41         $ 41
Issuance of common stock upon exercise of warrants (in shares)     41,289                  
Issuance of common stock     $ 12       37,039         37,051
Issuance of common stock (in shares)     12,660,993                  
ATM issuance costs                   $ (2,948)    
Dividend attributable to the down round feature of 2017 Warrants             234   (234)      
Foreign currency translation adjustment               (226)       (226)
Stock-based compensation             5,504         5,504
Net income (loss)                 (67,555)     (67,555)
Balance at the end of the period at Dec. 31, 2024     $ 38       502,501 (120) (467,371)     35,048
Balance at the end of the period (in shares) at Dec. 31, 2024     38,329,894                  
Increase (Decrease) in Stockholders' Equity                        
Issuance of common stock upon vest of restricted stock units     $ 1                 1
Issuance of common stock upon vest of restricted stock units (in shares)     229,927                  
Issuance of common stock upon exercise of stock options             16         $ 16
Issuance of common stock upon exercise of stock options (in shares)     6,667                 6,667
Issuance of common stock upon exercise of prefunded warrants     $ 3       (3)          
Issuance of common stock upon exercise of prefunded warrants (in shares)     2,921,041                  
Issuance of common stock $ 15 $ 27     $ 57,155 $ 51,791       57,170 $ 51,818  
Issuance of common stock (in shares) 15,212,311 27,151,211                 27,151,211  
ATM issuance costs           $ (143)       $ (1,718) $ (143)  
Stock subscription receivable from the issuance of common stock through ATM sales       $ (150)               $ (150)
Foreign currency translation adjustment               25       25
Stock-based compensation             4,899         4,899
Net income (loss)                 4,822     4,822
Balance at the end of the period at Dec. 31, 2025     $ 84 $ (150)     $ 616,216 $ (95) $ (462,549)     $ 153,506
Balance at the end of the period (in shares) at Dec. 31, 2025     83,851,051