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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' (DEFICIT) EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common stock
Additional Paid in Capital
2024 Warrants
Additional Paid in Capital
Warrants 2024, Pre Funded Warrants
Additional Paid in Capital
Accumulated Deficit
2024 Warrants
Warrants 2024, Pre Funded Warrants
Total
Beginning Balance at Dec. 31, 2022 $ 28     $ 488,292 $ (411,545)     $ 76,775
Beginning Balance (in shares) at Dec. 31, 2022 28,147              
Issuance of common shares, net of offering costs $ 1     23,917       23,918
Issuance of common shares, net of offering costs (in shares) 756              
Stock-based compensation       4,877       4,877
Exercise of stock options       258       258
Exercise of stock options (in shares) 173              
Vesting of restricted stock units, net of employee tax obligations       (27)       (27)
Vesting of restricted stock units, net of employee tax obligations (in shares) 24              
Net Income (Loss)         (52,796)     (52,796)
Ending Balance at Mar. 31, 2023 $ 29     517,317 (464,341)     53,005
Ending Balance (in shares) at Mar. 31, 2023 29,100              
Beginning Balance at Dec. 31, 2022 $ 28     488,292 (411,545)     76,775
Beginning Balance (in shares) at Dec. 31, 2022 28,147              
Net Income (Loss)               (156,797)
Ending Balance at Sep. 30, 2023 $ 29     527,705 (568,342)     (40,608)
Ending Balance (in shares) at Sep. 30, 2023 29,273              
Beginning Balance at Dec. 31, 2022 $ 28     488,292 (411,545)     76,775
Beginning Balance (in shares) at Dec. 31, 2022 28,147              
Ending Balance at Dec. 31, 2023 $ 30     534,060 (590,598)     $ (56,508)
Ending Balance (in shares) at Dec. 31, 2023 29,930             29,930
Beginning Balance at Mar. 31, 2023 $ 29     517,317 (464,341)     $ 53,005
Beginning Balance (in shares) at Mar. 31, 2023 29,100              
Stock-based compensation       6,124       6,124
Exercise of stock options       250       250
Exercise of stock options (in shares) 136              
Vesting of restricted stock units, net of employee tax obligations (in shares) 31              
Net Income (Loss)         (53,515)     (53,515)
Ending Balance at Jun. 30, 2023 $ 29     523,691 (517,856)     5,864
Ending Balance (in shares) at Jun. 30, 2023 29,267              
Stock-based compensation       4,014       4,014
Exercise of stock options (in shares) 6              
Net Income (Loss)         (50,486)     (50,486)
Ending Balance at Sep. 30, 2023 $ 29     527,705 (568,342)     (40,608)
Ending Balance (in shares) at Sep. 30, 2023 29,273              
Beginning Balance at Dec. 31, 2023 $ 30     534,060 (590,598)     $ (56,508)
Beginning Balance (in shares) at Dec. 31, 2023 29,930             29,930
Issuance of common shares, net of offering costs $ 4     3,705       $ 3,709
Issuance of common shares, net of offering costs (in shares) 3,702              
Stock-based compensation       3,433       3,433
Issuance of stock purchase warrants   $ 224 $ 3,570     $ 224 $ 3,570  
Net Income (Loss)         (26,791)     (26,791)
Ending Balance at Mar. 31, 2024 $ 34     544,992 (617,389)     (72,363)
Ending Balance (in shares) at Mar. 31, 2024 33,632              
Beginning Balance at Dec. 31, 2023 $ 30     534,060 (590,598)     $ (56,508)
Beginning Balance (in shares) at Dec. 31, 2023 29,930             29,930
Issuance of stock purchase warrants               $ 224
Net Income (Loss)               (48,740)
Ending Balance at Sep. 30, 2024 $ 42     553,663 (639,338)     $ (85,633)
Ending Balance (in shares) at Sep. 30, 2024 42,462             42,462
Beginning Balance at Mar. 31, 2024 $ 34     544,992 (617,389)     $ (72,363)
Beginning Balance (in shares) at Mar. 31, 2024 33,632              
Issuance of common shares, net of offering costs $ 6     5,306       5,312
Issuance of common shares, net of offering costs (in shares) 6,699              
Stock-based compensation       1,057       1,057
Vesting of restricted stock units, net of employee tax obligations       (8)       (8)
Vesting of restricted stock units, net of employee tax obligations (in shares) 52              
Net Income (Loss)         (8,299)     (8,299)
Ending Balance at Jun. 30, 2024 $ 40     551,347 (625,688)     (74,301)
Ending Balance (in shares) at Jun. 30, 2024 40,383              
Issuance of common shares, net of offering costs $ 2     451       453
Issuance of common shares, net of offering costs (in shares) 2,066              
Stock-based compensation       1,865       1,865
Vesting of restricted stock units, net of employee tax obligations (in shares) 13              
Net Income (Loss)         (13,650)     (13,650)
Ending Balance at Sep. 30, 2024 $ 42     $ 553,663 $ (639,338)     $ (85,633)
Ending Balance (in shares) at Sep. 30, 2024 42,462             42,462