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Note 9 - Components of Assets Held for Sale (Details)
Dec. 31, 2015
USD ($)
Land and Land Improvements [Member]  
Land and land improvements $ 1,568,000
Building and Building Improvements [Member]  
Land and land improvements 3,658,000
Accumulated depreciation (1,996,000)
Disposal Group, Including Discontinued Operation, Assets, Current $ 3,230,000