Note 11 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 11 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Net	$ 9,803,000
Valuation Allowance, Deferred Tax Asset, Change in Amount	9,803,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	(20,960,000)	(5,600,000)
Deferred Tax Assets, Valuation Allowance	139,840,000	160,799,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	433,000,000
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	41,000	24,000
Unrecognized Tax Benefits	0	41,000	63,000
Exercise of Stock Options [Member]
Note 11 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	$ 1,800,000