Note 1 - Property and Equipment - Useful Lives (Details)	12 Months Ended
	Dec. 31, 2015
Minimum [Member] | Machinery and Equipment [Member]
Useful life	3 years
Minimum [Member] | Furniture and Fixtures [Member]
Useful life	5 years
Minimum [Member] | Leasehold Improvements [Member]
Useful life	1 year
Maximum [Member] | Machinery and Equipment [Member]
Useful life	5 years
Maximum [Member] | Furniture and Fixtures [Member]
Useful life	7 years
Maximum [Member] | Leasehold Improvements [Member]
Useful life	5 years
Building [Member]
Useful life	39 years