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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional paid-in capital
Accumulated other comprehensive income (loss)
Accumulated deficit
Beginning balance (in shares) at Dec. 31, 2022   37,280      
Beginning balance at Dec. 31, 2022 $ 357,932 $ 37 $ 763,629 $ (2,538) $ (403,196)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under stock plans, net of tax effects and payments (in shares)   144      
Issuance of common stock under stock plans, net of tax effects and payments 551   551    
Stock-based compensation expense 3,943   3,943    
Foreign currency translation, net of tax 42     42  
Net loss (7,274)       (7,274)
Ending balance (in shares) at Mar. 31, 2023   37,424      
Ending balance at Mar. 31, 2023 355,194 $ 37 768,123 (2,496) (410,470)
Beginning balance (in shares) at Dec. 31, 2022   37,280      
Beginning balance at Dec. 31, 2022 357,932 $ 37 763,629 (2,538) (403,196)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under stock plans, net of tax effects and payments (in shares)   559      
Issuance of common stock under stock plans, net of tax effects and payments 2,490 $ 1 2,489    
Stock-based compensation expense 12,497   12,497    
Unrealized (loss) gain on marketable securities, net of tax (241)     (241)  
Foreign currency translation, net of tax (350)     (350)  
Net loss (19,541)       (19,541)
Ending balance (in shares) at Sep. 30, 2023   37,839      
Ending balance at Sep. 30, 2023 352,787 $ 38 778,615 (3,129) (422,737)
Beginning balance (in shares) at Mar. 31, 2023   37,424      
Beginning balance at Mar. 31, 2023 355,194 $ 37 768,123 (2,496) (410,470)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under stock plans, net of tax effects and payments (in shares)   142      
Issuance of common stock under stock plans, net of tax effects and payments 139   139    
Stock-based compensation expense 4,210   4,210    
Foreign currency translation, net of tax (244)     (244)  
Net loss (5,551)       (5,551)
Ending balance (in shares) at Jun. 30, 2023   37,566      
Ending balance at Jun. 30, 2023 353,748 $ 37 772,472 (2,740) (416,021)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under stock plans, net of tax effects and payments (in shares)   273      
Issuance of common stock under stock plans, net of tax effects and payments 1,800 $ 1 1,799    
Stock-based compensation expense 4,344   4,344    
Unrealized (loss) gain on marketable securities, net of tax (241)     (241)  
Foreign currency translation, net of tax (148)     (148)  
Net loss (6,716)       (6,716)
Ending balance (in shares) at Sep. 30, 2023   37,839      
Ending balance at Sep. 30, 2023 352,787 $ 38 778,615 (3,129) (422,737)
Beginning balance (in shares) at Dec. 31, 2023   38,014      
Beginning balance at Dec. 31, 2023 349,958 $ 38 783,142 (1,672) (431,550)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under stock plans, net of tax effects and payments (in shares)   274      
Issuance of common stock under stock plans, net of tax effects and payments 599   599    
Stock-based compensation expense 5,265   5,265    
Unrealized (loss) gain on marketable securities, net of tax (607)     (607)  
Foreign currency translation, net of tax (674)     (674)  
Net loss (11,243)       (11,243)
Ending balance (in shares) at Mar. 31, 2024   38,288      
Ending balance at Mar. 31, 2024 343,298 $ 38 789,006 (2,953) (442,793)
Beginning balance (in shares) at Dec. 31, 2023   38,014      
Beginning balance at Dec. 31, 2023 349,958 $ 38 783,142 (1,672) (431,550)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Unrealized (loss) gain on marketable securities, net of tax 272        
Foreign currency translation, net of tax (11)        
Net loss (26,903)        
Ending balance (in shares) at Sep. 30, 2024   38,475      
Ending balance at Sep. 30, 2024 338,882 $ 39 798,707 (1,411) (458,453)
Beginning balance (in shares) at Mar. 31, 2024   38,288      
Beginning balance at Mar. 31, 2024 343,298 $ 38 789,006 (2,953) (442,793)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under stock plans, net of tax effects and payments (in shares)   110      
Issuance of common stock under stock plans, net of tax effects and payments (328)   (328)    
Stock-based compensation expense 5,228   5,228    
Unrealized (loss) gain on marketable securities, net of tax (175)     (175)  
Foreign currency translation, net of tax 62     62  
Net loss (7,307)       (7,307)
Ending balance (in shares) at Jun. 30, 2024   38,398      
Ending balance at Jun. 30, 2024 340,778 $ 38 793,906 (3,066) (450,100)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under stock plans, net of tax effects and payments (in shares)   77      
Issuance of common stock under stock plans, net of tax effects and payments 145 $ 1 144    
Stock-based compensation expense 4,657   4,657    
Unrealized (loss) gain on marketable securities, net of tax 1,054     1,054  
Foreign currency translation, net of tax 601     601  
Net loss (8,353)        
Ending balance (in shares) at Sep. 30, 2024   38,475      
Ending balance at Sep. 30, 2024 $ 338,882 $ 39 $ 798,707 $ (1,411) $ (458,453)