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Note 15 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Tax Year 2011 [Member]
Income Tax Examination, Year under Examination	2011
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Tax Year 2012 [Member]
Income Tax Examination, Year under Examination	2012
State and Local Jurisdiction [Member] | New Jersey Division of Taxation [Member] | Earliest Tax Year [Member]
Income Tax Examination, Year under Examination	2009
State and Local Jurisdiction [Member] | New Jersey Division of Taxation [Member] | Latest Tax Year [Member]
Income Tax Examination, Year under Examination	2012
Income Tax Examination, Penalties and Interest Expense	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Percent	15.90%	35.70%

X

- Definition

Percentage 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 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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- Definition

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

Tax year being audited in the income tax examination, in CCYY format.

+ References

No definition available.

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