Note 9 - Other Assets (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 9 - Other Assets (Details) [Line Items]      
Amortization $ 1,400,000 $ 1,300,000 $ 1,200,000
Insurance Settlements Receivable 3,048,000 8,572,000  
Jones Act [Member]
     
Note 9 - Other Assets (Details) [Line Items]      
Insurance Settlements Receivable $ 3,000,000 $ 8,600,000