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Consolidated Statements of Changes in Shareholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
At the Market [Member]
Direct Financing [Member]
Common Stock [Member]
Common Stock [Member]
At the Market [Member]
Common Stock [Member]
Direct Financing [Member]
Accumulated Deficit [Member]
Noncontrolling Deficit [Member]
Accumulated Other Comprehensive Income / (Loss) [Member]
Balance at Dec. 31, 2023 $ 62,023     $ 451,343     $ (384,856) $ (1,396) $ (3,068)
Balance, shares at Dec. 31, 2023       174,987          
Shares issued through registered direct financings   $ 70 $ 14,000   $ 70 $ 14,000      
Shares issued through registered direct financings, shares         56 13,462      
Financing related fees (113)     $ (113)          
Shares issued upon vesting of restricted stock units, net of shares retired to pay employees' taxes (23)     $ (23)          
Shares issued upon vesting of restricted stock units, net of shares retired to pay employees' taxes, shares       45          
Shares issued upon exercise of stock options 229     $ 229          
Shares issued upon exercise of stock options, shares       287          
Derivative warrant liability reclassified to share capital upon exercise of warrants 0                
Stock-based compensation 3,762     $ 3,762          
Unrealized gain (loss) on marketable debt securities 5               5
Foreign currency translation adjustment 173               173
Net income (loss) (15,332)           (15,336) 4  
Balance at Sep. 30, 2024 64,794     $ 469,268     (400,192) (1,392) (2,890)
Balance, shares at Sep. 30, 2024       188,837          
Balance at Jun. 30, 2024 66,875     $ 467,928     (397,158) (1,425) (2,470)
Balance, shares at Jun. 30, 2024       188,824          
Shares issued upon exercise of stock options 10     $ 10          
Shares issued upon exercise of stock options, shares       13          
Stock-based compensation 1,330     $ 1,330          
Unrealized gain (loss) on marketable debt securities 12               12
Foreign currency translation adjustment (432)               (432)
Net income (loss) (3,001)           (3,034) 33  
Balance at Sep. 30, 2024 64,794     $ 469,268     (400,192) (1,392) (2,890)
Balance, shares at Sep. 30, 2024       188,837          
Balance at Dec. 31, 2024 77,012     $ 484,722     (403,465) (1,369) (2,876)
Balance, shares at Dec. 31, 2024       220,416          
Shares issued through registered direct financings   1,315 $ 3,795   $ 1,315 $ 3,795      
Shares issued through registered direct financings, shares         1,000 7,895      
Financing related fees (448)     $ (448)          
Shares issued upon vesting of restricted stock units, net of shares retired to pay employees' taxes (15)     $ (15)          
Shares issued upon vesting of restricted stock units, net of shares retired to pay employees' taxes, shares       45          
Shares issued upon exercise of stock options 646     $ 646          
Shares issued upon exercise of stock options, shares       622          
Shares issued upon exercise of warrants 319     $ 319          
Shares issued upon exercise of warrants, shares       350          
Derivative warrant liability reclassified to share capital upon exercise of warrants 187     $ 187          
Stock-based compensation 3,654     3,654          
Unrealized gain (loss) on marketable debt securities (4)               (4)
Foreign currency translation adjustment (1,406)               (1,406)
Net income (loss) (64,259)           (64,384) 125  
Balance at Sep. 30, 2025 20,796     $ 494,175     (467,849) (1,244) (4,286)
Balance, shares at Sep. 30, 2025       230,328          
Balance at Jun. 30, 2025 47,112     $ 490,551     (438,068) (1,273) (4,098)
Balance, shares at Jun. 30, 2025       228,356          
Shares issued through registered direct financings   $ 1,315     $ 1,315        
Shares issued through registered direct financings, shares         1,000        
Financing related fees (42)     $ (42)          
Shares issued upon exercise of stock options 646     $ 646          
Shares issued upon exercise of stock options, shares       622          
Shares issued upon exercise of warrants 319     $ 319          
Shares issued upon exercise of warrants, shares       350          
Derivative warrant liability reclassified to share capital upon exercise of warrants 187     $ 187          
Stock-based compensation 1,199     1,199          
Unrealized gain (loss) on marketable debt securities 1               1
Foreign currency translation adjustment (189)               (189)
Net income (loss) (29,752)           (29,781) 29  
Balance at Sep. 30, 2025 $ 20,796     $ 494,175     $ (467,849) $ (1,244) $ (4,286)
Balance, shares at Sep. 30, 2025       230,328