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Condensed Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Other Comprehensive Income [Member]
Accumulated Deficit [Member]
Series X1 Non-voting Convertible Preferred Stock [Member]
Series X Non-Voting Convertible Preferred Stock [Member]
Beginning Balance at Dec. 31, 2022 $ 84,183 $ 14 $ 287,034   $ (202,865)    
Beginning Balance, Shares at Dec. 31, 2022   13,776,788       117,970 6,204
Stock-based compensation 1,381   1,381        
Net loss and comprehensive loss (10,772)       (10,772)    
Ending Balance at Mar. 31, 2023 74,792 $ 14 288,415   (213,637)    
Ending Balance, Shares at Mar. 31, 2023   13,776,788       117,970 6,204
Beginning Balance at Dec. 31, 2022 84,183 $ 14 287,034   (202,865)    
Beginning Balance, Shares at Dec. 31, 2022   13,776,788       117,970 6,204
Net loss and comprehensive loss (86,438)            
Ending Balance at Sep. 30, 2023 35,597 $ 24 324,876   (289,303)    
Ending Balance, Shares at Sep. 30, 2023   23,545,130       110,086 4,422
Beginning Balance at Mar. 31, 2023 74,792 $ 14 288,415   (213,637)    
Beginning Balance, Shares at Mar. 31, 2023   13,776,788       117,970 6,204
Issuance of common stock and pre-funded warrants in connection with Securities Purchase Agreement, net of issuance costs, Shares   8,730,168          
Issuance of common stock and pre-funded warrants in connection with Securities Purchase Agreement, net of issuance costs, Value 33,017 $ 9 33,008        
Issuance of common stock in connection with conversion of X non-voting convertible preferred stock, Shares   99,000         (1,782)
Issuance of common stock in connection with conversion of X1 non-voting convertible preferred stock, Shares   437,977       (7,884)  
Issuance of common stock in connection with conversion of X1 non-voting convertible preferred stock, Value (1)   (1)        
Stock-based compensation 1,720   1,720        
Net loss and comprehensive loss (65,760)       (65,760)    
Ending Balance at Jun. 30, 2023 43,768 $ 23 323,142   (279,397)    
Ending Balance, Shares at Jun. 30, 2023   23,043,933       110,086 4,422
Issuance of common stock in connection with exercise of pre-funded warrants, Shares   501,197          
Issuance of common stock in connection with exercise of pre-funded warrants, Value 1 $ 1          
Stock-based compensation 1,734   1,734        
Net loss and comprehensive loss (9,906)       (9,906)    
Ending Balance at Sep. 30, 2023 35,597 $ 24 324,876   (289,303)    
Ending Balance, Shares at Sep. 30, 2023   23,545,130       110,086 4,422
Beginning Balance at Dec. 31, 2023 7,208 $ 24 326,586   (319,402)    
Beginning Balance, Shares at Dec. 31, 2023   24,213,130       110,086 4,422
Issuance of common stock in connection with exercise of pre-funded warrants, Shares   600,000          
Issuance of common stock in connection with exercise of pre-funded warrants, Value 1 $ 1          
Stock-based compensation 1,694   1,694        
Net loss and comprehensive loss (23,631)       (23,631)    
Ending Balance at Mar. 31, 2024 (14,728) $ 25 328,280   (343,033)    
Ending Balance, Shares at Mar. 31, 2024   24,813,130       110,086 4,422
Beginning Balance at Dec. 31, 2023 7,208 $ 24 326,586   (319,402)    
Beginning Balance, Shares at Dec. 31, 2023   24,213,130       110,086 4,422
Net loss and comprehensive loss 8,433            
Ending Balance at Sep. 30, 2024 76,058 $ 41 386,884 $ 102 (310,969)    
Ending Balance, Shares at Sep. 30, 2024   41,183,102       110,086 4,422
Beginning Balance at Mar. 31, 2024 (14,728) $ 25 328,280   (343,033)    
Beginning Balance, Shares at Mar. 31, 2024   24,813,130       110,086 4,422
Issuance of common stock and pre-funded warrants in connection with Securities Purchase Agreement, net of issuance costs, Shares   13,110,484          
Issuance of common stock and pre-funded warrants in connection with Securities Purchase Agreement, net of issuance costs, Value 48,070 $ 13 48,057        
Issuance of common stock in connection with exercise of pre-funded warrants, Shares   583,000          
Issuance of common stock in connection with exercise of pre-funded warrants, Value 1 $ 1          
Stock-based compensation 3,063   3,063        
Net loss and comprehensive loss (44,907)       (44,907)    
Ending Balance at Jun. 30, 2024 (8,501) $ 39 379,400   (387,940)    
Ending Balance, Shares at Jun. 30, 2024   38,506,614       110,086 4,422
Issuance of common stock and pre-funded warrants in connection with Securities Purchase Agreement, net of issuance costs, Shares   2,436,488          
Issuance of common stock and pre-funded warrants in connection with Securities Purchase Agreement, net of issuance costs, Value 5,703 $ 2 5,701        
Issuance of common stock in connection with exercise of pre-funded warrants, Shares   240,000          
Stock-based compensation 1,783   1,783        
Other comprehensive income 102     102      
Net loss and comprehensive loss 76,971       76,971    
Ending Balance at Sep. 30, 2024 $ 76,058 $ 41 $ 386,884 $ 102 $ (310,969)    
Ending Balance, Shares at Sep. 30, 2024   41,183,102       110,086 4,422