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Consolidated Statements of Stockholders' Equity - USD ($)
Total
Preferred stock
Common stock
Additional paid-in capital
Accumulated deficit
Accumulated other comprehensive loss
Beginning balance (in shares) at Dec. 31, 2022   9        
Beginning balance (in shares) at Dec. 31, 2022     21,090,938      
Beginning balance at Dec. 31, 2022 $ 222,362,756 $ 0 $ 21,090 $ 1,710,888,191 $ (1,487,847,784) $ (698,741)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock for legal settlement (in shares)     760,083      
Issuance of common stock for legal settlement 14,000,000   $ 760 13,999,240    
Issuance of common stock for cash, net of financing costs (in shares)     875,305      
Issuance of common stock for cash, net of financing costs 5,461,745   $ 875 5,460,870    
Exercise of stock options and warrants for cash and vesting of RSUs, net of tax payments (in shares)     66,749      
Exercise of stock options for cash and vesting of RSUs, net of tax payments (466,646)   $ 67 (466,713)    
Stock-based compensation 11,072,486     11,072,486    
Net loss (135,117,352)       (135,117,352)  
Unrealized gain (loss) on short-term investments, net of tax 40,060         40,060
Foreign currency translation $ (3,920)         (3,920)
Ending balance (in shares) at Dec. 31, 2023 9 9        
Ending balance (in shares) at Dec. 31, 2023 22,793,075   22,793,075      
Ending balance at Dec. 31, 2023 $ 117,349,129 $ 0 $ 22,792 1,740,954,074 (1,622,965,136) (662,601)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock for cash, net of financing costs (in shares)     13,213,778      
Issuance of common stock for cash, net of financing costs 36,033,473   $ 13,214 36,020,259    
Issuance of warrants for cash, net of financing costs 16,146,397     16,146,397    
Exercise of stock options and warrants for cash and vesting of RSUs, net of tax payments (in shares)     93,138      
Exercise of stock options for cash and vesting of RSUs, net of tax payments (353,120)   $ 93 (353,213)    
Stock-based compensation 6,595,108     6,595,108    
Net loss (107,254,126)       (107,254,126)  
Unrealized gain (loss) on short-term investments, net of tax (45,469)         (45,469)
Foreign currency translation $ 32,403         32,403
Ending balance (in shares) at Dec. 31, 2024 9 9        
Ending balance (in shares) at Dec. 31, 2024 36,099,991   36,099,991      
Ending balance at Dec. 31, 2024 $ 68,503,795 $ 0 $ 36,099 $ 1,799,362,625 $ (1,730,219,262) $ (675,667)