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Note 8 - Comprehensive Income (Loss) (Details) - Comprehensive Income (Loss) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 30, 2013 Other Comprehensive Income (Loss) [Member]	Dec. 31, 2012 Other Comprehensive Income (Loss) [Member]	Dec. 30, 2013 OCI Before Reclassifications [Member]	Dec. 30, 2013 Amounts Reclassified from AOCI [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income tax (benefit) expense	$ 776	$ 1,575	$ 1,733	$ (328)	$ (257)	$ 601	$ 627	$ 445	$ 3,756	$ 1,416	$ (2,733)	$ 3,770	$ 2,592	$ 1,298	$ (120)
Income tax (benefit) expense	776	1,575	1,733	(328)	(257)	601	627	445	3,756	1,416	(2,733)	3,770	2,592	1,298	(120)
Income tax (benefit) expense	776	1,575	1,733	(328)	(257)	601	627	445	3,756	1,416	(2,733)	3,770	2,592	1,298	(120)
Income tax (benefit) expense	$ 776	$ 1,575	$ 1,733	$ (328)	$ (257)	$ 601	$ 627	$ 445	$ 3,756	$ 1,416	$ (2,733)	$ 3,770	$ 2,592	$ 1,298	$ (120)

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: 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.(h))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Article 4



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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Income Tax Expense (or Benefit)

-URI http://asc.fasb.org/extlink&oid=6515339



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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