Organization and Summary of Significant Accounting Policies (Details Textuals)	Jul. 01, 2012	Jan. 01, 2012	Jul. 03, 2011
Organization and Presentation
Exchange rate used to translate Japanese yen to U.S. dollar	79.53	77.17	80.92

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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