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Note 11 - Property, Plant and Equipment - Property, Plant and Equipment Components (Details) - USD ($)
Oct. 04, 2015
Dec. 31, 2014
Land and Land Improvements [Member]    
Land and land improvements $ 1,819,000 $ 2,770,000
Building and Building Improvements [Member]    
Land and land improvements 21,935,000 26,055,000
Property, Plant and Equipment, Other Types [Member]    
Land and land improvements 125,898,000 158,816,000
Construction in Progress [Member]    
Land and land improvements 782,000 2,100,000
Land and land improvements 150,434,000 189,741,000
Accumulated depreciation (123,970,000) (152,087,000)
Property plant and equipment net $ 26,464,000 $ 37,654,000