Quarterly report pursuant to Section 13 or 15(d)

Statement of Stockholders' Equity (Deficit)

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Statement of Stockholders' Equity (Deficit) (USD $)
Total
Series A Convertible Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning Balance at Dec. 31, 2013 $ (62,372,000) $ 247,000 $ 1,000   $ (62,620,000)
Beginning Balance, shares at Dec. 31, 2013   66,666 280,974    
Stock-based compensation 1,123,000     1,035,000 88,000
Employee stock purchase 413,000     413,000  
Employee stock purchase, shares     30,358    
Stock options exercised 229,000     229,000  
Stock options exercised, shares 243,828   243,828    
Warrants exercised 76,000     76,000  
Warrants exercised, shares     92,584    
Reclassification of warrant liability 22,000     22,000  
Less deemed dividend on redeemable convertible preferred stock (987,000)       (987,000)
Conversion of preferred stock 120,251,000 (247,000) 14,000 120,484,000  
Conversion of preferred stock, shares   (66,666) 14,259,647    
Issuance of common stock in connection with initial public offering 49,844,000   3,000 49,841,000  
Issuance of common stock in connection with initial public offering, shares     3,529,411    
Net income 5,307,000       5,307,000
Ending Balance at Sep. 30, 2014 $ 113,906,000   $ 18,000 $ 172,100,000 $ (58,212,000)
Ending Balance, shares at Sep. 30, 2014     18,240,043