Quarterly report pursuant to Section 13 or 15(d)

Statement of Stockholders' Equity (Deficit)

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Statement of Stockholders' Equity (Deficit) - 6 months ended Jun. 30, 2015 - USD ($)
$ in Thousands
Total
Common stock
Additional paid-in capital
Accumulated deficit
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 1,327   1,327  
Employee stock purchase 342   342  
Employee stock purchase, shares   18,551    
Excess tax benefits from stock-based compensation arrangements 2,688   2,688  
Stock options exercised $ 379   379  
Stock options exercised, shares 268,228 268,228    
Net income $ 5,031     5,031
Ending Balance at Jun. 30, 2015 $ 127,917 $ 19 $ 179,560 $ (51,662)
Ending Balance, shares at Jun. 30, 2015   19,346,143