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Note 5 - Income Taxes (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Note 5 - Income Taxes (Details) [Line Items]        
Deferred Tax Assets, Valuation Allowance $ 27,155,000 $ 23,030,000 $ 22,895,000 $ 19,073,000
Deferred Tax Liabilities, Net 51,000,000      
Deferred Tax Assets, Net (51,399,000) 115,763,000    
Operating Loss Carryforwards Expiration Period 20 years      
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax 22,155,000 24,603,000    
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation 20,000,000 19,000,000    
Internal Revenue Service (IRS) [Member]
        
Note 5 - Income Taxes (Details) [Line Items]        
Operating Loss Carryforwards 172,000,000      
State and Local Jurisdiction [Member]
        
Note 5 - Income Taxes (Details) [Line Items]        
Operating Loss Carryforwards 38,000,000      
Foreign Tax Authority [Member]
        
Note 5 - Income Taxes (Details) [Line Items]        
Operating Loss Carryforwards 96,000,000      
Provincial [Member]
        
Note 5 - Income Taxes (Details) [Line Items]        
Operating Loss Carryforwards $ 26,000,000