Note 12 - Income Taxes Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Operating Loss Carryforwards [Line Items]
Loss on Repurchase of Debt Instrument	$ 91,876	$ 0	$ 91,876	$ 0
Operating Loss Carryforwards	1,300,000		1,300,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	6,000		6,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	35,500		35,500
State and Local NOL Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Amount	21,500		$ 21,500
Convertible Senior Notes Due 2017
Operating Loss Carryforwards [Line Items]
Loss on Repurchase of Debt Instrument	91,876
Induced Conversion of Convertible Debt Expense	35,500
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount	28,900
Extinguishment of Debt, Gain (Loss), Income Tax	$ 22,000