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

Reference 1: 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=84230637&loc=d3e32639-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Note 9 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2017	Mar. 27, 2016	Dec. 31, 2016
Income Tax Expense (Benefit)	$ 87	$ 88
Domestic Tax Authority [Member]
Operating Loss Carryforwards			$ 70,976
Tax Credit Carryforward, Amount			1,704
Domestic Tax Authority [Member] \| Earliest Tax Year [Member] \| Internal Revenue Service (IRS) [Member]
Open Tax Year	2002
Domestic Tax Authority [Member] \| Latest Tax Year [Member] \| Internal Revenue Service (IRS) [Member]
Open Tax Year	2016
Foreign Tax Authority [Member]
Operating Loss Carryforwards			$ 12,760
Foreign Tax Authority [Member] \| Earliest Tax Year [Member]
Open Tax Year	2009
Foreign Tax Authority [Member] \| Latest Tax Year [Member]
Open Tax Year	2016
State and Local Jurisdiction [Member] \| Earliest Tax Year [Member]
Open Tax Year	2002
State and Local Jurisdiction [Member] \| Latest Tax Year [Member]
Open Tax Year	2016