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Note 13 - Contingencies, Environmental and Legal Matters (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]    
Asset Retirement Obligation $ 4,864 $ 4,765
Reserves for Environmental Contingencies 2,816 2,896
Loss Contingency, Estimate of Possible Loss $ 3,708 $ 2,881