Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3-4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 3
-Subparagraph a(1)
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 4
-Article 5

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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Business Segments and Major Customers (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015	Jan. 02, 2016
Segment Reporting Information [Line Items]
Revenues	$ 18,899	$ 16,889	$ 39,216	$ 34,939
Accounts Receivable	15,670		15,670		$ 16,556
Customer A [Member]
Segment Reporting Information [Line Items]
Accounts Receivable	2,393	3,434	2,393	3,434
Customer B [Member]
Segment Reporting Information [Line Items]
Accounts Receivable	1,624	2,410	1,624	2,410
Customer C [Member]
Segment Reporting Information [Line Items]
Accounts Receivable	1,584	1,754	1,584	1,754
North America [Member] \| Customer A [Member]
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
North America [Member] \| Customer B [Member]
Segment Reporting Information [Line Items]
Revenues	3,201	3,454	6,474	6,828
North America [Member] \| Customer C [Member]
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
EMEA [Member] \| Customer A [Member]
Segment Reporting Information [Line Items]
Revenues	4,052	3,850	8,478	7,992
EMEA [Member] \| Customer B [Member]
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
EMEA [Member] \| Customer C [Member]
Segment Reporting Information [Line Items]
Revenues	$ 2,402	$ 4,758	$ 5,407	$ 9,508