Note 1 - Property and Equipment Estimated Useful Lives (Details)	12 Months Ended
	Dec. 31, 2015
Building and Building Improvements [Member] | Minimum [Member]
Property, plant and equipment, useful life	5 years
Building and Building Improvements [Member] | Maximum [Member]
Property, plant and equipment, useful life	40 years
Equipment [Member] | Minimum [Member]
Property, plant and equipment, useful life	5 years
Equipment [Member] | Maximum [Member]
Property, plant and equipment, useful life	15 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, plant and equipment, useful life	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, plant and equipment, useful life	10 years