Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Loss Per Share

Schedule of common stock equivalents excluded in the calculation of diluted earnings (loss) per share

	Three Months ended		Nine Months ended
	September 30,		September 30,
	2013	2012	2013	2012
Convertible Senior Secured Notes	16,983,531	—	9,393,821	—
Series A Preferred Stock	—	—	—	5,409,671
Warrants to purchase Series A
Preferred Stock/Common Stock	13,561	91,184	12,924	71,662
Stock Options, Stock Appreciation Rights,
Non-vested Stock Options, and ESPP Awards	166,531	346,783	159,808	290,029