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Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Common Shares Excluded from Net Income (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 Months Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Warrants to purchase common stock	19,557			1,076			19,557			1,871
Options to purchase common stock	505			322			505			515
Total	20,062			1,398			20,062			2,386

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

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