Note 5 Goodwill, Intangible Assets and Long Term Assets Composition of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 31, 2013
Cost	$ 12,709	$ 12,723
Accumulated amortization	(8,219)	(8,077)
Net	4,490	4,646
Trademarks
Cost	3,568
Accumulated amortization	0
Net	3,568
Patents and technology
Cost	4,508
Accumulated amortization	(4,025)
Net	483
Customer Relationships
Cost	4,026
Accumulated amortization	(3,615)
Net	411
Distributor Relationships
Cost	390
Accumulated amortization	(361)
Net	29
NonCompete Agreements
Cost	218
Accumulated amortization	(218)
Net	0
Trademarks
Cost		3,568
Accumulated amortization		0
Net		3,568
Patents and technology
Cost		4,511
Accumulated amortization		(3,941)
Net		570
Customer Relationships
Cost		4,033
Accumulated amortization		(3,562)
Net		471
Distributor Relationships
Cost		393
Accumulated amortization		(356)
Net		37
NonCompete Agreements
Cost		218
Accumulated amortization		(218)
Net		$ 0