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Note 9 - Income Taxes Income Tax (Details) - USD ($)	3 Months Ended		9 Months Ended
Note 9 - Income Taxes Income Tax (Details) - USD ($)	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 821,600,000		$ 821,600,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	0		0
Loss on induced conversion and debt extinguishment (Note 11)	17,397,000	$ 11,000	75,075,000	$ 91,887,000
State and Local NOL Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Amount	$ 41,000,000		41,000,000
Convertible Debt
Operating Loss Carryforwards [Line Items]
Loss on induced conversion and debt extinguishment (Note 11)			60,100,000
Induced Conversion of Convertible Debt Expense			41,800,000
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount			28,500,000
Extinguishment of Debt, Gain (Loss), Income Tax			$ 15,300,000