Net Loss Per Share of Common Stock (Details) - Summary of Earnings Per Share Reconcilation (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Numerator:
Net loss (in Dollars)	$ (1,179,465)	$ (4,226,515)	$ (3,998,558)	$ (10,538,593)
Preferred stock cash dividends (in Dollars)	0	0	0	(192,848)
Net loss attributable to common stockholders (in Dollars)	$ (1,179,465)	$ (4,226,515)	$ (3,998,558)	$ (10,731,441)
Denominator:
Weighted average basic and diluted shares outstanding (in Shares)	33,892,790	32,848,076	33,654,044	32,648,487
Basic and diluted net loss per share:
Net loss	$ (0.03)	$ (0.13)	$ (0.12)	$ (0.32)
Preferred stock cash dividends	$ 0	$ 0	$ 0	$ (0.01)
Net loss attributable to common stockholders	$ (0.03)	$ (0.13)	$ (0.12)	$ (0.33)