Note 5 - Goodwill, Intangible Assets and Long Term Assets (Details Narrative) - USD ($)	Sep. 27, 2015	Dec. 31, 2014
Cost	$ 12,422,000	$ 12,496,000
Accumulated Amortization	(8,267,000)	(8,158,000)
Net	4,155,000	4,338,000
Distributor Relationships
Cost	377,000	391,000
Accumulated Amortization	(359,000)	(365,000)
Net	18,000	26,000
Trademarks [Member]
Cost	3,563,000	3,567,000
Accumulated Amortization	0	0
Net	3,563,000	3,567,000
Customer Relationships
Cost	3,991,000	4,029,000
Accumulated Amortization	(3,715,000)	(3,679,000)
Net	276,000	350,000
Patents and Technology
Cost	4,491,000	4,509,000
Accumulated Amortization	(4,193,000)	(4,114,000)
Net	$ 298,000	$ 395,000