Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements Of Changes in Stockholders' Equity (Deficit)

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Condensed Consolidated Statements Of Changes in Stockholders' Equity (Deficit) - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital
Accumulated Deficit
Balance at beginning of period (in shares) at Dec. 31, 2022   119,508    
Balance at beginning of period at Dec. 31, 2022 $ 121,874 $ 12 $ 666,973 $ (545,111)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock upon vesting of restricted stock awards (in shares) 3,214   3,214  
Issuance of common stock upon exercise of stock options (in shares)   129    
Issuance of common stock upon exercise of stock options 3   3  
Issuance of common stock upon vesting of restricted stock awards (in shares)   11    
Issuance of common stock upon vesting of restricted stock units (in shares)   787    
Issuance of common stock (in shares)   16,404    
Issuance of common stock 11,129 $ 2 11,127  
Net loss (17,315)     (17,315)
Balance at end of period (in shares) at Mar. 31, 2023   136,839    
Balance at end of period at Mar. 31, 2023 118,905 $ 14 681,317 (562,426)
Balance at beginning of period (in shares) at Dec. 31, 2022   119,508    
Balance at beginning of period at Dec. 31, 2022 121,874 $ 12 666,973 (545,111)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net loss (50,746)      
Balance at end of period (in shares) at Jun. 30, 2023   138,409    
Balance at end of period at Jun. 30, 2023 88,545 $ 14 684,388 (595,857)
Balance at beginning of period (in shares) at Mar. 31, 2023   136,839    
Balance at beginning of period at Mar. 31, 2023 118,905 $ 14 681,317 (562,426)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock upon vesting of restricted stock awards (in shares) 2,488   2,488  
Issuance of common stock upon exercise of stock options (in shares)   95    
Issuance of common stock upon exercise of stock options 2   2  
Issuance of common stock upon vesting of restricted stock awards (in shares)   8    
Issuance of common stock upon vesting of restricted stock units (in shares)   668    
Issuance of common stock (in shares)   1,039    
Issuance of common stock 995   995  
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock   240    
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock (414)   (414)  
Net loss (33,431)     (33,431)
Balance at end of period (in shares) at Jun. 30, 2023   138,409    
Balance at end of period at Jun. 30, 2023 $ 88,545 $ 14 684,388 (595,857)
Balance at beginning of period (in shares) at Dec. 31, 2023 142,837 142,837    
Balance at beginning of period at Dec. 31, 2023 $ 93,159 $ 14 692,115 (598,970)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock upon vesting of restricted stock awards (in shares) 3,488   3,488  
Issuance of common stock upon exercise of stock options (in shares)   70    
Issuance of common stock upon exercise of stock options 1   1  
Issuance of common stock upon vesting of restricted stock awards (in shares)   8    
Issuance of common stock upon vesting of restricted stock units (in shares)   854    
Issuance of common stock (in shares)   953    
Issuance of common stock 1,294   1,294  
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock   288    
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock (419)   (419)  
Net loss (15,810)     (15,810)
Balance at end of period (in shares) at Mar. 31, 2024   144,434    
Balance at end of period at Mar. 31, 2024 $ 81,713 $ 14 696,479 (614,780)
Balance at beginning of period (in shares) at Dec. 31, 2023 142,837 142,837    
Balance at beginning of period at Dec. 31, 2023 $ 93,159 $ 14 692,115 (598,970)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net loss $ (25,207)      
Balance at end of period (in shares) at Jun. 30, 2024 146,530 146,530    
Balance at end of period at Jun. 30, 2024 $ 76,531 $ 15 700,693 (624,177)
Balance at beginning of period (in shares) at Mar. 31, 2024   144,434    
Balance at beginning of period at Mar. 31, 2024 81,713 $ 14 696,479 (614,780)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of common stock upon vesting of restricted stock awards (in shares) 2,515   2,515  
Issuance of common stock upon exercise of stock options and ESPP shares purchased (in shares)   219    
Stock Issued During Period, Value, Stock Options Exercised, Shares Purchased 156   156  
Issuance of common stock upon vesting of restricted stock awards (in shares)   8    
Issuance of common stock upon vesting of restricted stock units (in shares)   330    
Issuance of common stock (in shares)   1,638    
Issuance of common stock 1,649 $ 1 1,648  
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock   99    
Withholding of restricted stock to satisfy tax withholding obligations upon the vesting of the related restricted stock (105)   (105)  
Net loss $ (9,397)     (9,397)
Balance at end of period (in shares) at Jun. 30, 2024 146,530 146,530    
Balance at end of period at Jun. 30, 2024 $ 76,531 $ 15 $ 700,693 $ (624,177)