Summary of Significant Accounting Policies (Computation of Basic and Diluted EPS) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net Loss Per Share [Abstract]
Numerator for basic EPS	$ (4,920,147)	$ (5,812,912)
Numerator for diluted EPS	$ (4,920,147)	$ (5,812,912)
Denominator for basic EPS - weighted average shares	8,015,226	5,499,316
Denominator for diluted EPS	8,015,226	5,499,316
Basic EPS	$ (0.61)	$ (1.06)
Diluted EPS	$ (0.61)	$ (1.06)