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Note 14 - Segment Information - Total Assets by Geographic Area (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Total Assets
Total assets	$ 73,279	$ 69,831
UNITED STATES
Total Assets
Total assets	52,595	53,842
CANADA
Total Assets
Total assets	15,419	13,953
PUERTO RICO
Total Assets
Total assets	1,891	2,036
SERBIA
Total Assets
Total assets	$ 3,374

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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- Details

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- Details

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- Details

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