Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders Equity Tables

Fair value of stock-based compensation

The Company used the following assumptions in the Black-Scholes calculation used to measure the fair value of stock-based compensation in accordance with ASC 718 for stock options granted in 2012 and 2011.

	11-16-2012		8-14-2012		5-15-2012		11-15-2011
Risk-free interest rate	0.62	%	0.75	%	0.74	%	0.93	%
Dividend yield	0	%	0	%	0	%	0	%
Expected life (years)	5		5		5		5
Volatility	91.3	%	111.8	%	122.7	%	130.0	%

Option grants Activity

Activity for the two years ended December 31, 2012, for all option grants is shown below:

	2012								2011
	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value		Shares		Weighted Average Exercise Price
Outstanding at beginning of year		2,426	$	53.60						316	$	322.00
Granted		5,487	$	10.93						2,250	$	40.00
Exercised		-	$	-						-	$	-
Expired or forfeited		(750)	$	40.00						(140)	$	440.00
Outstanding at end of year		7,163	$	22.34		4.4	$	-		2,426	$	53.60
Exercisable at end of year		6,788	$	21.36		4.5	$	-		1,176
Weighted-average fair value of
options granted during the year	$	8.44							$	34.20
Price range of options
Outstanding	$	9.80-$228.00							$	40.00-$228.00
Exercised	$	-							$	-
Expired or forfeited	$	40.00							$	440.00

Stock options outstanding

The following table summarizes information with respect to stock options outstanding at December 31, 2012:

		Options Outstanding						Options Exercisable
Range of Exercise  Price		Number of  Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Number of Options		Weighted Average Exercise Price
$	9.80-$15.20		5,488	$	10.93		4.7		5,488	$	10.93
$	40.00		1,500	$	40.00		3.9		1,125	$	40.00
$	228.00		175	$	228.00		2.4		175	$	228.00
			7,163						6,788