Net Income (loss) Per Share (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Computation of basic and diluted net loss per share [Abstract]
Net income (loss )	$ (922,072)		$ (1,620,408)
Denominator for basic earnings per share - weighted average shares	105,358,694		93,128,466
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	105,358,694		93,128,466
Income (loss) per common share - basic and diluted (in dollars per share)	$ (0.01)		$ (0.02)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	18,352,203		18,624,205
Outstanding Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	17,142,303		16,022,703
Outstanding Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	267,816		2,344,002
Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	942,084		257,500

[1] Securities outstanding that were excluded from the computation, prior to the use of the treasury stock method, because they would have been anti-dilutive are as follows: Three months ended March 31, 2014 2013Outstanding Stock Options17,142,303 16,022,703Outstanding Warrants267,816 2,344,002Restricted Stock Awards942,084 257,500 18,352,203 18,624,205