Quarterly report pursuant to Section 13 or 15(d)

Statements of Stockholders' Equity (Deficit)

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Statements of Stockholders' Equity (Deficit) (USD $)
In Thousands, except Share data
Total
Series A Convertible Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning Balance at Dec. 31, 2013 $ (62,372) $ 247 $ 1   $ (62,620)
Beginning Balance, shares at Dec. 31, 2013   66,666 280,974    
Stock-based compensation 666     578 88
Stock options exercised 109     109  
Stock options exercised, shares 93,414   93,414    
Warrants exercised 76     76  
Warrants exercised, shares     76,597    
Reclassification of warrant liability 22     22  
Less deemed dividend on redeemable convertible preferred stock (987)       (987)
Conversion of preferred stock 120,251 (247) 14 120,484  
Conversion of preferred stock, shares   (66,666) 14,259,647    
Issuance of common stock in connection with initial public offering 49,875   3 49,872  
Issuance of common stock in connection with initial public offering, shares     3,529,411    
Net income 3,174       3,174
Ending Balance at Jun. 30, 2014 $ 110,814   $ 18 $ 171,141 $ (60,345)
Ending Balance, shares at Jun. 30, 2014     18,240,043