Equity Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Equity Instruments [Abstract]

Schedule of warrant activity

A summary of our warrant activity for the three and nine months ended September 30, 2012 and 2011 follows:

Warrants	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term
Outstanding at January 1, 2012		41,057,583		$	0.35		4.86 years
Granted		25,000		$	0.25
Forfeited or expired		(100,000	)	$	0.53
Outstanding at March 31, 2012		40,982,583		$	0.35		4.61 years
Forfeited or expired		(2,300,000	)	$	0.32
Outstanding at June 30, 2012		38,682,583		$	0.35		4.58 years
Granted		100,000		$	0.25
Forfeited or expired		(2,075,000	)	$	0.63
Outstanding at September 30, 2012		36,707,583		$	0.33		4.43 years
Exercisable at September 30, 2012*		36,640,583		$	0.33		4.43 years
Outstanding at January 1, 2011		27,209,750		$	0.38		4.25 years
Granted		1,291,500		$	0.89
Reclassified		500,000		$	0.55
Forfeited, expired, or cancelled		(650,000	)	$	0.51
Outstanding at March 31, 2011		28,351,250		$	0.40		4.05 years
Granted		433,000		$	0.25
Forfeited or expired		(1,000,000	)	$	1.00
Outstanding at June 30, 2011		27,784,250		$	0.37		3.77 years
Granted		3,373,333		$	0.44
Outstanding at September 30, 2011		31,157,583		$	0.38		3.57 years
Exercisable at September 30, 2011*		29,357,583		$	0.35		3.56 years

* No aggregate intrinsic value.

Schedule of Option activity

A summary of our option activity for the three and nine months ended September 30, 2012 and 2011 follows:

Options	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term
Outstanding at January 1, 2012		8,795,400		$	0.33		7.74 years
Forfeited or expired		(40,000	)	$	0.38
Outstanding at March 31, 2012		8,755,400		$	0.33		7.49 years
Forfeited or expired		(119,500	)	$	0.35
Outstanding at June 30, 2012		8,635,900		$	0.33		7.24 years
Forfeited or expired		(677,900	)	$	0.29
Outstanding at September 30, 2012		7,958,000		$	0.33		6.85 years
Exercisable at September 30, 2012*		7,334,100		$	0.34		6.75 years
Outstanding at January 1, 2011		2,611,100		$	0.50		8.09 years
Granted		25,000		$	0.23		9.82 years
Forfeited or expired		(464,750	)	$	0.30
Outstanding at March 31, 2011		2,171,350		$	0.54		7.77 years
Forfeited or expired		(116,500	)	$	0.38
Outstanding at June 30, 2011		2,054,850		$	0.55		7.47 years
Forfeited or expired		(126,450	)	$	0.55
Outstanding at September 30, 2011		1,928,400		$	0.55		7.22 years
Exercisable at September 30, 2011*		1,019,300		$	0.69		6.40 years

* No aggregate intrinsic value.