Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Y Score Segment State Venture Loan M D	Sep. 30, 2010	Dec. 31, 2010
Income Taxes
Deferred tax valuation allowance	$ 7,500,000	$ 11,000,000	$ 19,019,000	$ 24,219,000
Balance of deferred tax valuation allowance	272,800,000		272,800,000		253,800,000
Federal operating losses carryforward (in years)			20
State operating losses carryforward, low end of the range (in years)			10
State operating losses carryforward, high end of the range (in years)			20
Effective income tax expense (benefit) rate (as a percent)	(0.50%)	1.50%	(7.20%)	0.70%
State unrecognized tax benefits reversed primarily due to the expiration of time to assess tax	1,100,000
Liability for Gross Unrealized Tax Benefits	479,000		479,000		3,200,000
Accrued Interest and Penalties	251,000		251,000		2,700,000
Decrease in Liability for Gross Unrecognized Tax Benefits			$ 2,700,000