Annual report pursuant to Section 13 and 15(d)

Statements of Redeemable Convertible Preferred Stock

v3.3.1.900
Statements of Redeemable Convertible Preferred Stock - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Preferred stock value, Beginning Balance $ 118,671 $ 109,345
Warrants exercised 593 2,048
Deemed dividend on redeemable convertible preferred stock 987 7,278
Conversion of preferred stock to common stock in connection with initial public offering $ (120,251)  
Preferred stock value, Ending Balance   $ 118,671
Series B Preferred Stock    
Preferred stock share, Beginning Balance 425,511 425,511
Warrants exercised, shares   0
Conversion of preferred stock to common stock in connection with initial public offering, shares (425,511)  
Preferred stock share, Ending Balance   425,511
Preferred stock value, Beginning Balance $ 5,056 $ 5,056
Warrants exercised   0
Conversion of preferred stock to common stock in connection with initial public offering $ (5,056)  
Preferred stock value, Ending Balance   $ 5,056
Series C Preferred Stock    
Preferred stock share, Beginning Balance 365,903 365,903
Warrants exercised, shares 11,094 0
Conversion of preferred stock to common stock in connection with initial public offering, shares (376,997)  
Preferred stock share, Ending Balance   365,903
Preferred stock value, Beginning Balance $ 6,460 $ 6,460
Warrants exercised 279 0
Conversion of preferred stock to common stock in connection with initial public offering $ (6,739)  
Preferred stock value, Ending Balance   $ 6,460
Series D Preferred Stock    
Preferred stock share, Beginning Balance 1,573,126 1,487,225
Warrants exercised, shares 11,415 85,901
Conversion of preferred stock to common stock in connection with initial public offering, shares (1,584,541)  
Preferred stock share, Ending Balance   1,573,126
Preferred stock value, Beginning Balance $ 34,619 $ 32,571
Warrants exercised 314 2,048
Conversion of preferred stock to common stock in connection with initial public offering $ (34,933)  
Preferred stock value, Ending Balance   $ 34,619
Series E Preferred Stock    
Preferred stock share, Beginning Balance 1,634,874 1,634,874
Warrants exercised, shares   0
Conversion of preferred stock to common stock in connection with initial public offering, shares (1,634,874)  
Preferred stock share, Ending Balance   1,634,874
Preferred stock value, Beginning Balance $ 29,130 $ 28,044
Warrants exercised   0
Deemed dividend on redeemable convertible preferred stock 139 1,086
Conversion of preferred stock to common stock in connection with initial public offering $ (29,269)  
Preferred stock value, Ending Balance   $ 29,130
Series F Preferred Stock    
Preferred stock share, Beginning Balance 2,701,957 2,701,957
Warrants exercised, shares   0
Conversion of preferred stock to common stock in connection with initial public offering, shares (2,701,957)  
Preferred stock share, Ending Balance   2,701,957
Preferred stock value, Beginning Balance $ 15,620 $ 14,055
Warrants exercised   0
Deemed dividend on redeemable convertible preferred stock 207 1,565
Conversion of preferred stock to common stock in connection with initial public offering $ (15,827)  
Preferred stock value, Ending Balance   $ 15,620
Series G Preferred Stock    
Preferred stock share, Beginning Balance 2,840,260 2,840,260
Warrants exercised, shares   0
Conversion of preferred stock to common stock in connection with initial public offering, shares (2,840,260)  
Preferred stock share, Ending Balance   2,840,260
Preferred stock value, Beginning Balance $ 27,786 $ 23,159
Warrants exercised   0
Deemed dividend on redeemable convertible preferred stock 641 4,627
Conversion of preferred stock to common stock in connection with initial public offering $ (28,427)  
Preferred stock value, Ending Balance   $ 27,786