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Note 4 - Goodwill (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Note 4 - Goodwill (Details) [Line Items]
Goodwill, Impairment Loss	$ 0	$ 6,900,000	$ 0	$ 6,900,000	$ 0
Fair Value Inputs, Long-term Revenue Growth Rate	3.00%
Minimum [Member]
Note 4 - Goodwill (Details) [Line Items]
Expected after-tax cash flows period range	2013			2013
Maximum [Member]
Note 4 - Goodwill (Details) [Line Items]
Expected after-tax cash flows period range	2017			2017

X

- Definition

Expected cash flow range after tax period

+ References

No definition available.

+ Details

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- Details

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X

- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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X

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266



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-Name Accounting Standards Codification

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-SubTopic 20

-Section 50

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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