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Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Loss Per Share [Abstract]

ScheduleOfDilutiveSecuritiesExcludedFromComputationOfEarningsPerShare [Table Text Block]

At December 31, 2012 and 2011, the Company excluded the following potentially dilutive securities:

	December 31,
	2012			2011
Stock Options	21,686,680			17,143,505
Warrants	55,287,611			37,389,825
Series E Preferred Stock, Common stock equivalents	—			3,989,669
Restricted Shares	342,500			976,668

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ScheduleOfDilutiveSecuritiesExcludedFromComputationOfEarningsPerShare [Table Text Block]

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