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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Noncontrolling Interests
Balance at Dec. 31, 2021 $ 85,617 $ 174 $ 1,048,936 $ (149) $ (964,342) $ 998
Balance (in shares) at Dec. 31, 2021   173,670        
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases 2,138 $ 3 2,135      
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases (in shares)   3,134        
Stock-based compensation 6,426   6,426      
Other comprehensive income (loss) (1,486)     (1,486)    
Net loss (12,284)       (12,284)  
Balance at Mar. 31, 2022 80,411 $ 177 1,057,497 (1,635) (976,626) 998
Balance (in shares) at Mar. 31, 2022   176,804        
Balance at Dec. 31, 2021 85,617 $ 174 1,048,936 (149) (964,342) 998
Balance (in shares) at Dec. 31, 2021   173,670        
Net loss (29,200)          
Balance at Sep. 30, 2022 74,073 $ 177 1,069,629 (3,189) (993,497) 953
Balance (in shares) at Sep. 30, 2022   177,403        
Balance at Mar. 31, 2022 80,411 $ 177 1,057,497 (1,635) (976,626) 998
Balance (in shares) at Mar. 31, 2022   176,804        
Issuance of common stock from exercise of stock options and vesting of restricted stock units 256   256      
Issuance of common stock from exercise of stock options and vesting of restricted stock units (in shares)   274        
Stock-based compensation 5,007   5,007      
Other comprehensive income (loss) (518)     (518)    
Net loss (8,395)       (8,389) (6)
Balance at Jun. 30, 2022 76,761 $ 177 1,062,760 (2,153) (985,015) 992
Balance (in shares) at Jun. 30, 2022   177,078        
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases 1,101   1,101      
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases (in shares)   325        
Stock-based compensation 5,768   5,768      
Other comprehensive income (loss) (1,036)     (1,036)    
Net loss (8,521)       (8,482) (39)
Balance at Sep. 30, 2022 74,073 $ 177 1,069,629 (3,189) (993,497) 953
Balance (in shares) at Sep. 30, 2022   177,403        
Balance at Dec. 31, 2022 68,562 $ 177 1,077,341 (2,787) (1,007,121) 952
Balance (in shares) at Dec. 31, 2022   177,582        
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases 426 $ 3 423      
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases (in shares)   2,890        
Stock-based compensation 5,669   5,669      
Other comprehensive income (loss) 546     546    
Net loss (15,641)       (15,619) (22)
Balance at Mar. 31, 2023 59,562 $ 180 1,083,433 (2,241) (1,022,740) 930
Balance (in shares) at Mar. 31, 2023   180,472        
Balance at Dec. 31, 2022 68,562 $ 177 1,077,341 (2,787) (1,007,121) 952
Balance (in shares) at Dec. 31, 2022   177,582        
Net loss (36,258)          
Balance at Sep. 30, 2023 49,023 $ 181 1,093,494 (2,225) (1,043,282) 855
Balance (in shares) at Sep. 30, 2023   181,166        
Balance at Mar. 31, 2023 59,562 $ 180 1,083,433 (2,241) (1,022,740) 930
Balance (in shares) at Mar. 31, 2023   180,472        
Issuance of common stock from vesting of restricted stock units (69) $ 1 (70)      
Issuance of common stock from vesting of restricted stock units (in shares)   237        
Stock-based compensation 5,720   5,720      
Other comprehensive income (loss) (192)     (192)    
Net loss (13,331)       (13,275) (56)
Balance at Jun. 30, 2023 51,690 $ 181 1,089,083 (2,433) (1,036,015) 874
Balance (in shares) at Jun. 30, 2023   180,709        
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases 432   432      
Issuance of common stock from exercise of stock options, vesting of restricted stock units, and ESPP purchases (in shares)   457        
Stock-based compensation 3,979   3,979      
Other comprehensive income (loss) 208     208    
Net loss (7,286)       (7,267) (19)
Balance at Sep. 30, 2023 $ 49,023 $ 181 $ 1,093,494 $ (2,225) $ (1,043,282) $ 855
Balance (in shares) at Sep. 30, 2023   181,166