Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common stock
Additional paid-in capital
Retained earnings (accumulated deficit)
Accumulated other comprehensive income (loss)
Beginning Balance at Dec. 31, 2016 $ 182,088 $ 20 $ 194,466 $ (12,363) $ (35)
Beginning Balance at Dec. 31, 2016   20,389,860      
Stock-based compensation 9,640   9,640    
Employee stock purchases 1,379   1,379    
Employee stock purchases, shares   24,523      
Stock options exercised $ 12,625 $ 1 12,624    
Stock options exercised, shares 520,393 561,967      
Net income $ 21,002     21,002  
Other comprehensive income (loss) 307       307
Ending Balance at Dec. 31, 2017 227,041 $ 21 218,109 8,639 272
Ending Balance at Dec. 31, 2017   20,976,350      
Stock-based compensation 12,790   12,790    
Employee stock purchases 2,348   2,348    
Employee stock purchases, shares   25,532      
Restricted stock awards issued, net of forfeitures, shares   56,609      
Vesting of restricted stock units, shares   18,112      
Shares withheld related to net restricted stock settlement (1,208)   (1,208)    
Shares withheld related to net restricted stock settlement, shares   (6,290)      
Stock options exercised $ 17,156 $ 1 17,155    
Stock options exercised, shares 708,319 708,319      
Net income $ 51,845     51,845  
Other comprehensive income (loss) 452       452
Ending Balance at Dec. 31, 2018 310,424 $ 22 249,194 60,484 724
Ending Balance at Dec. 31, 2018   21,778,632      
Stock-based compensation 9,129   9,129    
Employee stock purchases 2,748   2,748    
Employee stock purchases, shares   47,816      
Restricted stock awards issued, net of forfeitures, shares   82,677      
Vesting of restricted stock units (82)   (82)    
Vesting of restricted stock units, shares   28,115      
Shares withheld related to net restricted stock settlement (846)   (846)    
Shares withheld related to net restricted stock settlement, shares   (15,121)      
Stock options exercised $ 3,109   3,109    
Stock options exercised, shares 109,291 109,291      
Net income $ 20,950     20,950  
Other comprehensive income (loss) (811)       (811)
Ending Balance at Dec. 31, 2019 $ 344,621 $ 22 $ 263,252 $ 81,434 $ (87)
Ending Balance at Dec. 31, 2019   22,031,410