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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Cumulative effect, period of adoption, adjustment
Common stock
Additional paid-in capital
Additional paid-in capital
Cumulative effect, period of adoption, adjustment
Accumulated deficit
Accumulated deficit
Cumulative effect, period of adoption, adjustment
Accumulated other comprehensive gain (loss)
Balance (in shares) at Dec. 31, 2020     111,698          
Balance at Dec. 31, 2020 $ 912,706   $ 112 $ 1,270,426   $ (357,751)   $ (81)
Increase (Decrease) in Stockholders' Equity                
Net loss (2,613)         (2,613)    
Foreign currency translation adjustment (21)             (21)
Unrealized loss on marketable securities, net of tax (31)             (31)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)     807          
Issuance of common stock upon exercise of options, equity stock and employee stock purchase plan (7,136)   $ 1 (7,137)        
Stock-based compensation 6,501     6,501        
Balance (in shares) at Mar. 31, 2021     112,505          
Balance at Mar. 31, 2021 909,406   $ 113 1,269,790   (360,364)   (133)
Balance (in shares) at Dec. 31, 2021     109,292          
Balance at Dec. 31, 2021 862,396   $ 109 1,298,966   (435,227)   (1,452)
Increase (Decrease) in Stockholders' Equity                
Net loss (66,218)         (66,218)    
Foreign currency translation adjustment (293)             (293)
Unrealized loss on marketable securities, net of tax (2,568)             (2,568)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)     943          
Issuance of common stock upon exercise of options, equity stock and employee stock purchase plan (15,500)   $ 1 (15,501)        
Stock-based compensation 7,778     7,778        
Retirement of convertible senior note hedges 62,011     62,011        
Retirement of warrants (46,356)     (46,356)        
Balance (in shares) at Mar. 31, 2022     110,235          
Balance at Mar. 31, 2022 $ 793,126   $ 110 $ 1,272,353   $ (475,024)   $ (4,313)
Balance (Accounting Standards Update 2020-06) at Mar. 31, 2022   $ (8,124)     $ (34,545)   $ 26,421