Note 4 - Property - Property (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Land [Member]
Property, plant, and equipment, gross	$ 5,063	$ 5,133
Land Improvements [Member]
Property, plant, and equipment, gross	19,667	19,687
Building [Member]
Property, plant, and equipment, gross	32,589	32,589
Machinery and Equipment [Member]
Property, plant, and equipment, gross	11,712	11,717
Property, plant, and equipment, gross	69,031	69,126
Less accumulated depreciation	37,888	36,608
Net property	$ 31,143	$ 32,518

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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+ References

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