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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 income (loss) 8,553         8,553    
Foreign currency translation adjustment (17)             (17)
Unrealized loss on marketable securities, net of tax (85)             (85)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)     1,214          
Issuance of common stock upon exercise of options, equity stock and employee stock purchase plan (4,300)   $ 1 (4,301)        
Repurchase and retirement of common stock under repurchase program (in shares)     (4,015)          
Repurchase and retirement of common stock under repurchase program (100,068)   $ (4) (22,849)   (77,215)    
Stock-based compensation 13,799     13,799        
Balance (in shares) at Jun. 30, 2021     108,897          
Balance at Jun. 30, 2021 830,588   $ 109 1,257,075   (426,413)   (183)
Balance (in shares) at Mar. 31, 2021     112,505          
Balance at Mar. 31, 2021 909,406   $ 113 1,269,790   (360,364)   (133)
Increase (Decrease) in Stockholders' Equity                
Net income (loss) 11,166         11,166    
Foreign currency translation adjustment 4             4
Unrealized loss on marketable securities, net of tax (54)             (54)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)     407          
Issuance of common stock upon exercise of options, equity stock and employee stock purchase plan 2,836   $ 0 2,836        
Repurchase and retirement of common stock under repurchase program (in shares)     (4,015)          
Repurchase and retirement of common stock under repurchase program (100,068)   $ (4) (22,849)   (77,215)    
Stock-based compensation 7,298     7,298        
Balance (in shares) at Jun. 30, 2021     108,897          
Balance at Jun. 30, 2021 830,588   $ 109 1,257,075   (426,413)   (183)
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 income (loss) (31,198)         (31,198)    
Foreign currency translation adjustment (969)             (969)
Unrealized loss on marketable securities, net of tax (3,317)             (3,317)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)     1,236          
Issuance of common stock upon exercise of options, equity stock and employee stock purchase plan (12,699)   $ 2 (12,701)        
Stock-based compensation 16,414     16,414        
Retirement of convertible senior note hedges 62,011     62,011        
Retirement of warrants (46,356)     (46,356)        
Balance (in shares) at Jun. 30, 2022     110,528          
Balance at Jun. 30, 2022 838,158   $ 111 1,283,789   (440,004)   (5,738)
Balance (Accounting Standards Update 2020-06) at Jun. 30, 2022   $ (8,124)     $ (34,545)   $ 26,421  
Balance (in shares) at Mar. 31, 2022     110,235          
Balance at Mar. 31, 2022 793,126   $ 110 1,272,353   (475,024)   (4,313)
Increase (Decrease) in Stockholders' Equity                
Net income (loss) 35,020         35,020    
Foreign currency translation adjustment (676)             (676)
Unrealized loss on marketable securities, net of tax (749)             (749)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)     293          
Issuance of common stock upon exercise of options, equity stock and employee stock purchase plan 2,801   $ 1 2,800        
Stock-based compensation 8,636     8,636        
Balance (in shares) at Jun. 30, 2022     110,528          
Balance at Jun. 30, 2022 $ 838,158   $ 111 $ 1,283,789   $ (440,004)   $ (5,738)
Balance (Accounting Standards Update 2020-06) at Jun. 30, 2022   $ (8,124)     $ (34,545)   $ 26,421