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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Based Compensation Grants

The following table summarizes the stock based compensation grants outstanding under our 2005 LTIP and 2010 ECP plans as of December 31, 2012:

	Options Outstanding			RSAs Outstanding			Options and RSAs Exercised			Available Shares			Total
2010 ECP	605,690			173,805			904,744			1,701,706			3,385,945
2005 LTIP	573,509			—			224,164			202,327			1,000,000
Total	1,179,199			173,805			1,128,908			1,904,033			4,385,945

Schedule of Stock Options

The following table summarizes information about stock options activity for our 2005 LTIP and 2010 ECP plans during the years ended December 31, 2012 and 2011:

	2012							2011
	Options			Weighted Average Exercise Price				Options			Weighted Average Exercise Price
Outstanding, beginning of year	1,358,717			$	2.81			1,223,159			$	3.74
Granted	49,500			$	0.56			340,000			$	2.83
Forfeited or expired	(229,018	)		$	3.09			(204,442	)		$	6.61
Exercised	—			$	—			—			$	—
Outstanding, end of year	1,179,199			$	2.66			1,358,717			$	2.81
Exercisable, end of year	896,101			$	2.79			629,043			$	3.03

Schedule of Stock Option Plans, by Exercise Price Range

The following table summarizes information about stock options outstanding as of December 31, 2012, which includes 605,590 2010 ECP options and 573,509 2005 LTIP options:

Range of Exercise Price		Shares			Weighted Average Remaining Contractual Life ( Years)		Weighted Average Exercise Price
$0.00 – $3.00		1,128,949			2.49		$	7.20
$3.01 - $9.99		50,250			6.66		5.52
Total		1,179,199			7.13		$	2.66

Schedule of Fair Value Options

The fair value of options granted during the year ended December 31, 2012 and 2011 was estimated assuming the following weighted averages:

	2012			2011
Expected life (in years)	3.15			4.90
Volatility	174.2	%		163.4	%
Risk free interest rate	0.30	%		1.96	%
Dividend yield	—	%		—	%

Schedule of RSA Activity

The following table summarizes our RSA activity for 2012:

	RSAs			Weighted Average Fair Value
Outstanding, beginning of year	322,276			$	1.73
Granted	1,271,008			$	0.78
Forfeited	(316,715	)		$	0.59
Vested	(1,102,764	)		$	1.13
Outstanding, end of year	173,805			$	0.70

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Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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