Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of assumptions made for purposes of estimating fair value under the Black-Scholes model

	2012	2011	2010
Dividend yield:	0%	0%	0%
Expected term of options (years):	6	6	6
Risk free interest rate:	0.80%-1.16%	1.16%-2.61%	1.52%-2.93%
Volatility:	80%	74%-79%	94%-95%

Schedule of stock option activity

			Weighted		Weighted Average	Aggregate
			Avgerage Exercise		Remaining	Instrinsic
	Shares		Price		Contractual Terms	Value
Options outstanding at December 31, 2011		1,948,997	$	9.84	8.8	$	-
Granted		78,400	1.22		9.3	-
Exercised		-	-		-	-
Forfeited		(16,471)	5.89		-	-
Expired		(24,671)	56.06		-	-
Options outstanding at December 31, 2012		1,986,255	$	8.95	7.9	-
Options exercisable at December 31, 2012		870,918	16.01		6.9	-
Options unvested at December 31, 2012		1,115,337	3.45		8.7	-

Schedule of restricted stock activity

			Aggregate
			Intrinsic
	Shares		Value
Unvested restricted stock at December 31, 2011		280,771	$	572,773
Forfeited		(280,771)	(572,773)
Unvested restricted stock at December 31, 2012		-	$	-