Note 2 - Property and Equipment (Details)	12 Months Ended
	Dec. 31, 2015
Building [Member] | Maximum [Member]
Property and Equipment
Building [Member]
Property and Equipment	25 years
Machinery and Equipment [Member] | Maximum [Member]
Property and Equipment	15 years
Machinery and Equipment [Member] | Minimum [Member]
Property and Equipment	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property and Equipment	7 years
Furniture and Fixtures [Member] | Minimum [Member]
Property and Equipment	2 years
Leasehold Improvements [Member] | Maximum [Member]
Property and Equipment	5 years
Leasehold Improvements [Member] | Minimum [Member]
Property and Equipment	4 years