Other (Expense) Income, Net (Schedule Of Other Income (Expense), Net) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other (Expense) Income, Net
Realized gain on change in valuation of warrant liability		$ 6,200		$ 8,327
Reversal of interest expense and penalties on unrecognized tax liability			1,782
Amortization of deferred financing costs on convertible debt	(193)		(320)
Other non-operating expenses	(9)	(61)	(32)	(123)
Total other (expense) income, net	$ (202)	$ 6,139	$ 1,430	$ 8,204