v2.4.0.8
Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) (USD $)
In Thousands, except Share data, unless otherwise specified
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Balance at Dec. 31, 2013 $ (92,024) $ 8 $ 7,817 $ (99,849)
Balance (in shares) at Dec. 31, 2013 7,629,133 7,629,133    
Increase (Decrease) in Stockholders' Equity        
Exercise of stock options 1,023   1,023  
Exercise of stock options (in shares)   464,803    
Grant of common stock 55   55  
Grant of common stock (in shares)   5,000    
Accretion of issuance costs on redeemable convertible preferred stock (89)   (89)  
Stock-based compensation expense 3,239   3,239  
Conversion of redeemable convertible preferred stock to common stock 98,136 23 98,113  
Conversion of redeemable convertible preferred stock to common stock (in shares)   23,501,208    
Conversion of Series D warrant to common stock warrant 821   821  
Issuance of common stock from initial public offering, net of issuance costs 100,302 9 100,293  
Issuance of common stock from initial public offering, net of issuance costs (in shares)   8,626,377    
Exercise of warrants to purchase common stock (in shares)   32,709    
Net loss (17,645)     (17,645)
Balance at Jun. 30, 2014 $ 93,818 $ 40 $ 211,272 $ (117,494)
Balance (in shares) at Jun. 30, 2014 40,259,230 40,259,230