Stockholders Rights Plan (Details Textuals) (USD $)	12 Months Ended
Jan. 01, 2012
14. Stockholders' Rights Plan [Abstract]
Minimum Percentage Of Ownership Required To Exercise Stock Rights Plan	15.00%
Number of rights to purchase under the Stockholders Rights Plan	1
Exercise price of 1/200 of a share of Series A Junior Participating Preferred Stock	$ 225.00
Preferred Shares Purchased Under Stockholders Rights Plan	0.50%

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Minimum Percentage Of Ownership Required To Exercise Stock Rights Plan.

+ References

No definition available.

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- Definition

Preferred Shares Purchased Under Stockholders Rights Plan.

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- Definition

The exercise price of each class of warrants or rights outstanding.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph i

-Subparagraph 4

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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- Definition

The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph i

-Subparagraph 2

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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