Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

Stock-Based Compensation [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Expected Volatility		Risk-free Interest Rate		Expected Term	Dividend Rate
September 30, 2013:
Employees	85	%	0.9	%	5	—	%
Officers and non-employee directors	81	%	1.6	%	8	—	%
September 30, 2012:
Employees	92	%	0.8	%	5	—	%
Officers and non-employee directors	81	%	1.5	%	8	—	%

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Options		Weighted Average Exercise Price
	(in thousands)
Outstanding at December 31, 2012	21,525		$	2.51
Granted	3,473		2.13
Exercised	(498	)	1.75
Expired	(883	)	3.93
Forfeited	(143	)	1.97
Outstanding at September 30, 2013	23,474		2.42
Exercisable at September 30, 2013	16,868		$	2.59

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Outstanding at December 31, 2012	3,543		$	1.80
Granted	1,969		2.09
Vested	(992	)	1.80
Forfeited	(193	)	1.90
Nonvested at September 30, 2013	4,327		$	1.93

Schedule of Share-based Compnesation, Performance-based Restricted Stock Units [Table Text Block]

	Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Outstanding at December 31, 2012	329		$	1.90
Vested	(329	)	1.90
Nonvested at September 30, 2013	—		$	—