EQUITY (Tables)

6 Months Ended

Jun. 30, 2013

Equity Tables

Summary of common stock activity

 The following table summarizes common stock activity for the six months ended June 30, 2013:

	Common Stock
Shares outstanding at December 31, 2012		76,639,849
Shares issued pursuant to options exercised for cash		20,000
Shares issued pursuant to cashless warrants exercised		4,021,672
Shares issued pursuant to achievement of vesting provisions		120,000
Shares issued pursuant to warrants exercised for cash		606,539
Shares outstanding at June 30, 2013		81,408,060

Summary of warrant activity

 The following table summarizes warrant activity for the following periods:

	Warrants			Weighted- Average Exercise Price
Balance at December 31, 2012		18,788,485		$	0.56
Granted		1,137,632		$	0.96
Expired / Canceled		(688,749	)	$	1.49
Exercised		(6,646,200	)	$	0.53
Balance at June 30, 2013		12,591,168		$	0.56

Summary of stock option plans activity

 A summary of the activity under the Company’s stock option plans is as follows:

	Options			Weighted-Average Exercise Price
Balance at December 31, 2012		3,031,221		$	0.82
Granted		452,500		$	0.94
Expired/Cancelled		(27,500	)	$	1.00
Exercised		(20,000	)	$	0.17
Balance at June 30, 2013		3,436,221		$	0.84