Note 10 Commitments and Contingencies Warranty Obligations (Details) - USD ($)	9 Months Ended
Sep. 27, 2015	Sep. 28, 2014
Note 11 Commitments And Contingencies Warranty Obligations Details
Accrued warranty obligations - beginning	$ 376,000	$ 513,000
Accrual for warranties issued	16,000	77,000
Settlements made	(29,000)	(90,000)
Effect of foreign currency translation	(5,000)
Accrued warranty obligations - ending	$ 358,000	$ 500,000

No definition available.

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- Definition

Increase or Decrease in extended product warranty liability attributable to currency translation. Does not include any Increase or Decrease in standard product warranty liability due to currency translation.

+ References

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph ((c)(5))

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 5

-Article 9

+ Details

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- Definition

Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

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- Definition

Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

+ References

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