Note 12 - Income Taxes Income Tax (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating Loss Carryforwards [Line Items]
Loss on Repurchase of Debt Instrument		$ 11	$ 0	$ 91,887	$ 0
Operating Loss Carryforwards		1,200,000		1,200,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign		1,300		1,300
Deferred Tax Assets, Operating Loss Carryforwards, State and Local		44,700		44,700
State and Local NOL Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Amount		$ 32,300		$ 32,300
Convertible Senior Notes Due 2017
Operating Loss Carryforwards [Line Items]
Loss on Repurchase of Debt Instrument	$ 91,900
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