Stock-Based Compensation and Other Plans (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012
Outstanding
Shares	9,114,148
Average Life	3 years 9 months 18 days
Average Exercise Price (in dollars per share)	$ 2.36
Exercisable
Shares	6,069,694
Average Exercise Price (in dollars per share)	$ 2.70
$0.87-$1.00
Stock options outstanding by exercise price range
Exercise price, low end of range (in dollars per share)	$ 0.87
Exercise price, high end of range (in dollars per share)	$ 1.00
Outstanding
Shares	666,668
Average Life	5 years 4 months 24 days
Average Exercise Price (in dollars per share)	$ 0.87
Exercisable
Shares	388,883
Average Exercise Price (in dollars per share)	$ 0.87
$1.01-$1.50
Stock options outstanding by exercise price range
Exercise price, low end of range (in dollars per share)	$ 1.01
Exercise price, high end of range (in dollars per share)	$ 1.50
Outstanding
Shares	1,000,000
Average Life	4 years 7 months 6 days
Average Exercise Price (in dollars per share)	$ 1.46
Exercisable
Shares	333,333
Average Exercise Price (in dollars per share)	$ 1.46
$1.51-$2.00
Stock options outstanding by exercise price range
Exercise price, low end of range (in dollars per share)	$ 1.51
Exercise price, high end of range (in dollars per share)	$ 2.00
Outstanding
Shares	3,673,686
Average Life	4 years 7 months 6 days
Average Exercise Price (in dollars per share)	$ 1.86
Exercisable
Shares	1,573,684
Average Exercise Price (in dollars per share)	$ 1.87
$2.01-$3.00
Stock options outstanding by exercise price range
Exercise price, low end of range (in dollars per share)	$ 2.01
Exercise price, high end of range (in dollars per share)	$ 3.00
Outstanding
Shares	2,200,000
Average Life	2 years 7 months 6 days
Average Exercise Price (in dollars per share)	$ 2.85
Exercisable
Shares	2,200,000
Average Exercise Price (in dollars per share)	$ 2.85
$3.01-$7.50
Stock options outstanding by exercise price range
Exercise price, low end of range (in dollars per share)	$ 3.01
Exercise price, high end of range (in dollars per share)	$ 7.50
Outstanding
Shares	1,573,794
Average Life	2 years 2 months 12 days
Average Exercise Price (in dollars per share)	$ 4.04
Exercisable
Shares	1,573,794
Average Exercise Price (in dollars per share)	$ 4.04