Stock and Incentive Compensation Plans (Details 2) (Restricted Stock and Restricted Stock Units [Member], USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restricted Stock and Restricted Stock Units [Member]
Summary of restricted stock and restricted stock units
Beginning Balance, Shares	2,037,000	1,420,000	996,000
Granted, Shares	1,048,000	1,202,000	966,000
Restricted stock vested, Shares	(854,000)	(568,000)	(387,000)
Forfeited, Shares	(65,000)	(17,000)	(155,000)
Ending Balance, Shares	2,166,000	2,037,000	1,420,000
Beginning Balance, Weighted Average Grant Date Fair Value	$ 0.85	$ 1.09	$ 1.96
Granted, Weighted Average Grant Date Fair Value	$ 0.87	$ 0.75	$ 0.70
Restricted stock vested, Weighted Average Grant Date Fair Value	$ 0.71	$ 1.21	$ 2.43
Forfeited, Weighted Average Grant Date Fair Value	$ 0.71	$ 1.37	$ 0.93
Ending Balance, Weighted Average Grant Date Fair Value	$ 0.92	$ 0.85	$ 1.09
Outstanding at December 31, 2012, Average Remaining Contractual Term (Years)	8 years 4 months 24 days
Outstanding at December 31, 2012, Aggregate Intrinsic Value	$ 3,445,000
Outstanding at December 31, 2012, Average Remaining Vesting Period (months)	9 months 24 days
Outstanding at December 31, 2012, Unrecognized Compensation Expense	947,000
Restricted stock units vested at December 31, 2012, Shares	141,000
Restricted stock units vested at December 31, 2012, Weighted Average Grant Date Fair Value	$ 2.73
Restricted stock units vested at December 31, 2012, Average Remaining Contractual Term (Years)	6 years 6 months
Restricted stock units vested at December 31, 2012, Aggregate Intrinsic Value	$ 224,000