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Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Deficit (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Non-controlling Interest [Member]
Accumulated Deficit [Member]
Series A-1 convertible preferred stock [Member]
Preferred Stock [Member]
Beginning balance at Dec. 31, 2023 $ (148,382) $ 197 $ 1,796,095   $ (955) $ 11,949 $ (1,955,668) $ 0
Balance, shares at Dec. 31, 2023   19,718           32
Net loss (63,454)         (1,568) (61,886)  
Other comprehensive loss (116)       (116)      
Share-based compensation 4,196   3,477     719    
Shares sold at the market 17,171 $ 13 17,158          
Shares sold at the market, shares   1,249            
Payment of CEO payroll in shares 89   89          
Payment of CEO payroll In shares, shares   7            
Vesting of nonvested shares, shares   8            
Exercise of stock options and employee share purchases 173   166     7    
Exercise of stock options and employee share purchases, shares   12            
Ending balance at Mar. 31, 2024 (190,323) $ 210 1,816,985   (1,071) 11,107 (2,017,554) $ 0
Balance, shares at Mar. 31, 2024   20,994           32
Beginning balance at Dec. 31, 2023 (148,382) $ 197 1,796,095   (955) 11,949 (1,955,668) $ 0
Balance, shares at Dec. 31, 2023   19,718           32
Share-based compensation           2,812    
Ending balance at Dec. 31, 2024 (306,424) $ 236 1,857,662   (1,398) 19,956 (2,182,880) $ 0
Balance, shares at Dec. 31, 2024   23,635           32
Net loss (26,370)         (1,104) (25,266)  
Other comprehensive loss (70)       (70)      
Share-based compensation 3,184   2,587     597    
Shares sold at the market 6,343 $ 28 6,315          
Shares sold at the market, shares   2,783            
Issuance of warrants 398   398          
Payment of CEO payroll in shares 89 $ 1 88          
Payment of CEO payroll In shares, shares   33            
Issuance of shares for services 39   39     0    
Issuance of shares for services, shares   11            
Issuance of shares in connection with debt agreement 220 $ 1 219          
Issuance of shares in connection with debt agreement, shares   66            
Vesting of nonvested shares, shares   1            
Exercise of stock options and employee share purchases 44   43     1    
Exercise of stock options and employee share purchases, shares   18            
Issuance of shares for employee salaries 149   171 $ (22)        
Issuance of shares for employee salaries, shares   24   (8)        
Retirement of treasury shares     (22) $ 22        
Retirement of treasury shares, share   (8)   8        
Ending balance at Mar. 31, 2025 $ (322,398) $ 266 $ 1,867,500   $ (1,468) $ 19,450 $ (2,208,146) $ 0
Balance, shares at Mar. 31, 2025   26,563           32