For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Segment and Geographic Information (Schedule of Revenues by Geographic Region) (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 30, 2016 USD ($)	Jan. 01, 2016 USD ($)	Dec. 30, 2016 USD ($) segments	Jan. 01, 2016 USD ($)	Jul. 01, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments \| segments			1
Revenue	$ 68,536	$ 70,416	$ 126,743	$ 149,971
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	39,353	31,844	67,937	67,064
Africa and Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	16,770	23,703	31,119	50,991
Europe and Russia
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	2,810	5,617	7,317	12,059
Latin America and Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 9,603	$ 9,252	$ 20,370	$ 19,857
Accounts Receivable \| Customer Concentration Risk \| MTN
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage			13.00%		22.00%
Accounts Receivable \| Customer Concentration Risk \| Motorola
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage			12.00%		11.00%
Revenue \| Customer Concentration Risk \| MTN
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage	12.00%	20.00%	11.00%	18.00%
Revenue \| Customer Concentration Risk \| Motorola
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage		10.00%