Net Income (loss) Per Share (Details) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Computation of basic and diluted net loss per share [Abstract]
Net income (loss)	$ (1,620,408)		$ (1,093,652)
Denominator for basic earnings per share - weighted average shares (in shares)	93,128,466		74,872,122
Effect of dilutive securities: Stock options and warrants outstanding and convertible debt (in shares)	0	[1]	0	[1]
Denominator for diluted earnings per share - weighted average shares adjusted for dilutive securities (in shares)	93,128,466		74,872,122
Income (loss) per common share - basic and diluted (in dollars per share)	$ (0.02)		$ (0.01)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	18,366,705		27,958,352
Outstanding Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	16,022,703		12,517,000
Outstanding Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	2,344,002		7,891,567
Convertible Debt, Promissory Notes [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0		5,131,018
Convertible Line of Credit with Related Party [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0		1,358,931
Convertible Debt, Acquisition [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0		1,059,836

[1] Securities outstanding that were excluded from the computiation, prior to the use of the treasury stock method, because they would have been anti-dilutive are as follows: