Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

v3.8.0.1
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, 2014 $ 118,150 $ 19 $ 174,824 $ (56,693)  
Beginning Balance, shares at Dec. 31, 2014   19,059,364      
Stock-based compensation 3,640   3,640    
Employee stock purchases 701   701    
Employee stock purchases, shares   31,106      
Stock options exercised $ 1,615 $ 1 1,614    
Stock options exercised, shares 676,715 676,715      
Warrants exercised - common $ 5   5    
Warrants exercised - common, shares   15,218      
Excess tax benefits from stock-based compensation arrangements (1,641)   (1,641)    
Net income 11,585     11,585  
Other comprehensive income (loss) (37)       $ (37)
Ending Balance at Dec. 31, 2015 134,018 $ 20 179,143 (45,108) (37)
Ending Balance, shares at Dec. 31, 2015   19,782,403      
Cumulative effect of change in accounting principle 12,226     12,226  
Stock-based compensation 7,294   7,294    
Employee stock purchases 1,055   1,055    
Employee stock purchases, shares   37,378      
Stock options exercised $ 6,974   6,974    
Stock options exercised, shares 570,079 570,079      
Net income $ 20,519     20,519  
Other comprehensive income (loss) 2       2
Ending Balance at Dec. 31, 2016 182,088 $ 20 194,466 (12,363) (35)
Ending Balance, shares 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, shares at Dec. 31, 2017   20,976,350