Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Summary of related activity under Incentive Plan

	Awards Available			Options Outstanding			Weighted Average Exercise Price
Balance December 31, 2011		2,010			7,858		$	6.21
Plan amendment		1,700			—			—
Restricted stock awards granted		(415	)		—			—
Restricted stock awards cancelled		13			—			—
Stock option awards granted		(1,563	)		1,563			4.66
Stock option awards exercised		—			(303	)		1.66
Stock option awards cancelled		419			(419	)		8.32
Balance June 30, 2012		2,164			8,699		$	5.99

Weighted Average Assumptions for Stock Option Awards Granted to Employees and Directors under the Incentive Plan

	2012			2011
Expected Life in Years		5.5			5.5
Expected Volatility		87	%		80	%
Expected Dividend Yield		0.0	%		0.0	%
Risk-Free Interest Rate		0.88	%		2.20	%