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Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Common Shares Excluded from Net Loss

The following table sets forth the potentially dilutive common shares excluded from the calculation of net loss per common share because their inclusion would be anti-dilutive (in thousands):

	Three and Nine Months Ended September 30,
	2014			2013
Warrants to purchase common stock	8,540			18,903
Options to purchase common stock	8,994			9,928
Total	17,534			28,831

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Schedule Of Earning Per Share To Common Shareholders Table [Text Block]

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