Note 5 Goodwill, Intangible Assets and Long Term Assets (Detail Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Amortization expense - intangible assets	$ 80	$ 98	$ 154	$ 199
Selling General And Administrative [Member]
Amortization expense - intangible assets	35	43	67	88
Research And Development [Member]
Amortization expense - intangible assets	$ 45	$ 55	$ 87	$ 111