Redeemable Convertible Preferred Stock (Tables)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Summary of Redeemable Convertible Preferred Stock

The following shares of redeemable convertible preferred stock have been issued by the Company as of March 31, 2015:

	Years Issued	Shares Issued		Net Proceeds
Series A Stock	2002 – 2004		1,292,084	$	1,307,794
Series B Stock	2005 – 2006		11,919,624		3,542,237
Series C-1 Stock	2007		16,240,450		5,505,641
Series C-2 Stock	2008 – 2009		19,104,610		4,172,672
Series D Stock	2011 – 2015		143,762,592		30,947,799
Series E Stock	2014 – 2015		45,989,722		7,395,228

Schedule of Conversion of Preferred Stock into Common Stock

The following shares of Preferred Stock were optionally converted to Common Stock as of December 30, 2014:

	Preferred Shares Converted	Common Stock Equivalents
Series B Stock	5,129,912		57,307
Series C-1 Stock	2,997,838		43,330
Series C-2 Stock	9,156,279		86,292
Series D Stock	4,233,419		39,420