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Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2015

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,
	2015			2014
Warrants to purchase common stock	22,308			8,540
Options to purchase common stock	11,188			8,994
Total	33,496			17,534

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

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