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Note 2 - Accounting Policies (Details) - Financial Data for Variable Interest Entities - Balance Sheet (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Financial Data for Variable Interest Entities - Balance Sheet [Abstract]    
Current assets $ 55,651 $ 65,251
Non-current assets 47,606 47,086
Current liabilities 33,886 45,604
Non-current liabilities $ 25,020 $ 23,169