Subsequent Events (Tables)

6 Months Ended

Jun. 30, 2013

Subsequent Events [Abstract]

Shares of Common Stock Issued Upon Conversion of Preferred Stock

The shares of common stock issued upon conversion of the preferred stock were as follows (in thousands):

	Shares of Preferred Stock		Shares of Common Stock
Series A		557		781
Series B		516		805
Series C		3,551		3,551
Series D		2,430		2,430
Series E		1,064		1,064
		8,118		8,631