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Note 7 - Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Disclosure Text Block [Abstract]
Translation Adjustment Functional to Reporting Currency, Loss (Gain), Reclassified to Earnings, Net of Tax	$ 0	$ 0	$ 0	$ 0

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- References

No definition available.

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- Definition

Amounts reclassified from other comprehensive income to earnings during the period related to translation from functional currency to reporting currency, as a result of the sale or complete or substantially complete liquidation of an investment in a foreign entity. Net of tax effect.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 830



-SubTopic 30



-Section 45



-Paragraph 20



-Subparagraph (d)



-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 220



-SubTopic 10



-Section 45



-Paragraph 11



-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

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