v2.4.0.8
Redeemable Convertible Preferred Stock (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2014
Apr. 02, 2014
Subsequent event
Jun. 30, 2009
Series A
Mar. 31, 2014
Series A
Dec. 31, 2013
Series A
Feb. 28, 2010
Series B
Mar. 31, 2014
Series B
Dec. 31, 2013
Series B
Mar. 31, 2011
Series C
Mar. 31, 2014
Series C
Dec. 31, 2013
Series C
Jan. 31, 2013
Series D
Mar. 31, 2012
Series D
Mar. 31, 2014
Series D
Dec. 31, 2013
Series D
Issuances of redeemable convertible preferred stock                              
Purchase Price per Share (in dollars per share)   $ 13.00 $ 1.27     $ 4.46     $ 7.34     $ 7.81 $ 7.81    
Number of Shares     10,033,976 10,033,976 10,033,976 5,057,901 5,057,901 5,057,901 4,429,601 4,429,601 4,429,601 639,828 3,339,902 3,979,730 3,979,730
Conversion Price per Share (in dollars per share)     $ 1.27     $ 4.46     $ 7.34     $ 7.81 $ 7.81    
Summary of activity for the Preferred Stock issued and outstanding                              
Balance at the beginning of the period $ 98,047     $ 12,384     $ 22,210     $ 32,405       $ 31,048  
Accretion of issuance costs on redeemable convertible preferred stock (87)     35     36     11       5  
Balance at the end of the period $ 98,134     $ 12,419     $ 22,246     $ 32,416       $ 31,053  
Redeemable convertible preferred stock converted into shares of common stock   23,501,208