Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

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
June 30, 2014:
Employees	66	%	1.1	%	4	—	%
Officers and non-employee directors	80	%	2.3	%	8	—	%
June 30, 2013:
Employees	90	%	0.8	%	5	—	%
Officers and non-employee directors	81	%	1.6	%	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, 2013	23,306		$	2.42
Granted	3,401		1.71
Exercised	(111	)	1.47
Expired	(1,867	)	4.41
Forfeited	(322	)	2.03
Outstanding at June 30, 2014	24,407		2.17
Exercisable at June 30, 2014	17,397		$	2.30

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, 2013	4,242		$	1.93
Granted	1,604		1.72
Vested	(1,384	)	1.90
Forfeited	(985	)	1.94
Nonvested at June 30, 2014	3,477		$	1.84