Note 9 - Income Taxes Income Tax (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 949,000,000		$ 949,000,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	0		0
Loss on induced conversion and debt extinguishment (Note 11)	2,108,000	$ 91,876,000	57,678,000	$ 91,876,000
State and Local NOL Carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Amount	$ 39,200,000		39,200,000
Convertible Debt
Operating Loss Carryforwards [Line Items]
Loss on induced conversion and debt extinguishment (Note 11)			57,700,000
Loss on induced conversion and debt extinguishment (Note 10)			41,000,000
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount			29,200,000
Extinguishment of Debt, Gain (Loss), Income Tax			$ 9,100,000