STOCK OPTION PLAN AND WARRANTS (Tables)

12 Months Ended

Dec. 31, 2013

STOCK OPTION PLAN AND WARRANTS [Abstract]

Summary of warrant activity

A summary of the status of the warrants issued by the Company as of December 31, 2013 and 2012 are as follows:

	12/31/13		12/31/12
	Number of Warrants	Weighted Average Exercise Price	Number of Warrants	Weighted Average Exercise Price
Outstanding at beginning of year	23,392,811	$1.46	23,752,669	$1.55
Granted	4,010,295	$1.18	650,000	$0.83
Exercised	(2,287,730)	$1.28	(490,424)	$0.62
Cashless Exercises	(8,082,535)	$1.43	(335,541)	$0.91
Expired and Cancelled	(344,576)	$0.88	(183,893)	$14.73
	16,688,265		23,392,811
Outstanding, end of period	16,688,265	$1.44	23,392,811	$1.46
Exercisable at end of period	16,688,265	$1.44	23,392,811	$1.46

Summary of the status of stock options

A summary of the status of stock options issued by the Company as of December 31, 2013 and 2012 are as follows:

	12/31/13		12/31/12
	Number of Shares	Weighted Average Exercise Price	Number of Shares	Weighted Average Exercise Price
Outstanding at beginning of year	7,728,877	$1.01	5,645,202	$1.10
Granted	2,176,535	$1.67	2,354,275	$0.80
Exercised	(293,650)	$0.98	(230,600)	$1.09
Expired and Cancelled	(28,000)	$2.18	(40,000)	$0.86
	9,583,762		7,728,877
Outstanding, end of period	9,583,762	$1.16	7,728,877	$1.01
Exercisable at end of period	9,536,262	$1.17	7,582,022	$1.03

Stock option valuation assumptions

	2013	2012
Weighted average fair value per option granted	$1.04	$0.38
Risk-free interest rate	0.65 - 0.81%	0.34 - 0.42%
Expected dividend yield	0.00%	0.00%
Expected lives	2.695	2.695
Expected volatility	99.79 - 108%	97.72 - 103%

Stock options outstanding by price range

Stock options outstanding at December 31, 2013 are as follows:                                                                                                           

		Weighted
		Average	Weighted
		Remaining	Average
	Options	Contractual	Exercise	Options
Range of Exercise Prices	Outstanding	Life	Price	Exercisable
$0.01-$1.50	7,090,227	2.8	$0.97	7,090,227
$1.51-$3.00	2,368,535	4.5	$1.67	2,321,035
$3.01-$5.00	125,000	4.6	$3.11	125,000
	9,583,762	3.3	$1.17	9,536,262

Stock options outstanding at December 31, 2012 are as follows:

		Weighted
		Average	Weighted
		Remaining	Average
	Options	Contractual	Exercise	Options
Range of Exercise Prices	Outstanding	Life	Price	Exercisable
$0.01-$1.50	5,435,202	3.9	$1.18	5,107,003
$1.51-$3.00	210,000	2.0	$1.49	210,000
	5,645,202	4.0	1.13	5,317,003