Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

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	3,396		2.12
Exercised	(196	)	1.77
Expired	(815	)	3.87
Forfeited	(95	)	1.86
Outstanding at June 30, 2013	23,815		2.42
Exercisable at June 30, 2013	16,575		$	2.61

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	(138	)	1.87
Nonvested at June 30, 2013	4,382		$	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 June 30, 2013	—		$	—

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

	Expected Volatility		Risk-free Interest Rate		Expected Term	Dividend Rate
June 30, 2013:
Employees	90	%	0.8	%	5	—	%
Officers and non-employee directors	81	%	1.6	%	8	—	%
June 30, 2012:
Employees	92	%	0.8	%	5	—	%
Officers and non-employee directors	80	%	1.6	%	8	—	%