Note 6 - Goodwill, Intangible Assets and Long Term Assets (Details Narrative) (USD $)	Mar. 29, 2015	Dec. 31, 2014
Cost	$ 12,505,000	$ 12,496,000
Accumulated Amortization	(8,226,000)	(8,158,000)
Net	4,279,000us-gaap_FiniteLivedIntangibleAssetsNet	4,338,000us-gaap_FiniteLivedIntangibleAssetsNet
Trademarks [Member]
Cost	3,568,000	3,567,000
Accumulated Amortization	0	0
Net	3,568,000	3,567,000
Patents and Technology
Cost	4,511,000	4,509,000
Accumulated Amortization	(4,148,000)	(4,114,000)
Net	363,000	395,000
Customer Relationships
Cost	4,033,000	4,029,000
Accumulated Amortization	(3,709,000)	(3,679,000)
Net	324,000	350,000
Distributor Relationships
Cost	393,000	391,000
Accumulated Amortization	(369,000)	(365,000)
Net	$ 24,000	$ 26,000

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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