STOCK OPTIONS (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2013

Dec. 31, 2012

Stock Options Tables

Remaining shares available for future grants

	Stock Option Plans
	2003			2008
Shares Available For Issuance:
Total reserved for stock options and restricted stock		160,000			10,000,000
Restricted stock issued net of cancellations		(31,125	)		(256,891	)
Stock options granted		(154,449	)		(254,500	)
Add back options cancelled before exercise		67,849			54,167
Options cancelled by plan vote		-			-
Remaining shares available for future grants		42,275			9,542,776
							Not Pursuant to a Plan
Total granted		154,449			254,500			310,000
Less: Options cancelled		(67,849	)		(54,167	)		(138,333	)
Options exercised		(35,600	)		(13,000	)		(66,667	)
Shares outstanding, before restricted stock		51,000			187,333			105,000
Restricted stock issued, net of cancellations		31,125			256,891			28,484
Outstanding shares at December 31, 2012		82,125			444,224			133,484

Assumption used for stock option granted

	2013			2012
Risk-free interest rate		0.13% - 1.89	%		0.94% - 2.05	%
Expected dividend yield		—			—
Expected term	1 - 6.5 years			6.5 years
Forfeiture rate (excluding fully vested stock options)		15	%		15	%
Expected volatility		129% - 141	%		129% - 137	%

The assumptions used principally for options granted to employees in the years ended December 31, 2012 and 2011 were as follows:

	2012			2011
Risk-free interest rate		0.92% - 2.05	%		1.80% - 3.47	%
Expected dividend yield		—			—
Expected term	6.5 years			6.5 years
Forfeiture rate (excluding fully vested options)		15	%		15	%
Expected volatility		131% - 142	%		137% - 142	%

Stock option activity

Stock Options	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2013		343,334		$	14.75
Granted		78,250			4.43
Exercised		—			—
Forfeited or expired		(71,916	)		13.38
Outstanding at September 30, 2013		349,668		$	12.45	5.80 years	$	—
Exercisable at September 30, 2013		243,592		$	11.34	4.86 years	$	—

Options:	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2012		339,511		$	16,80
Granted		70,000		$	16.60
Exercised		(23,767	)	$	9,40
Forfeited or expired		(42,411	)	$	30,76
Outstanding at December 31, 2012		343,333		$	14,70	6.11 years	$	885,300
Exercisable at December 31, 2012		224,133		$	10,60	5.48 years	$	885,300