EQUITY (Tables)

9 Months Ended

Sep. 30, 2013

Equity Tables

Summary of common stock activity

	Common Stock
Shares outstanding at December 31, 2012		76,639,849
Shares issued pursuant to options exercised for cash		32,713
Shares issued pursuant to cashless warrants exercised		4,336,741
Shares issued pursuant to achievement of vesting provisions		120,000
Shares issued pursuant to warrants exercised for cash		3,577,779
Shares outstanding at September 30, 2013		84,707,082

Summary of warrant activity

	Warrants			Weighted- Average Exercise Price
Balance at December 31, 2012		18,788,485		$	0.56
Granted		1,232,632		$	1.01
Expired / Canceled		(688,749	)	$	1.49
Exercised		(10,015,320	)	$	0.52
Balance at September 30, 2013		9,317,048		$	0.59

Summary of stock option plans activity

	Options			Weighted-Average Exercise Price
Balance at December 31, 2012		3,031,221		$	0.82
Granted		487,500		$	1.03
Expired/Cancelled		(27,500	)	$	1.00
Exercised		(32,713	)	$	0.27
Balance at September 30, 2013		3,458,508		$	0.85