XML 50 R40.htm IDEA: XBRL DOCUMENT v3.8.0.1
Segment and Geographic Information (Schedule of Revenues by Geographic Region) (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 29, 2017
USD ($)
Dec. 30, 2016
USD ($)
Dec. 29, 2017
USD ($)
segments
Dec. 30, 2016
USD ($)
Jul. 01, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]          
Number of reportable segments | segments     1    
Revenue $ 61,723 $ 68,536 $ 117,905 $ 126,743  
North America          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 36,985 39,353 67,987 67,937  
Africa and Middle East          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 12,682 16,770 26,144 31,119  
Europe and Russia          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue 3,814 2,810 8,260 7,317  
Latin America and Asia Pacific          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenue $ 8,242 $ 9,603 $ 15,514 $ 20,370  
Accounts Receivable | Customer Concentration Risk | MTN          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Concentration risk percentage     11.00%   26.00%
Accounts Receivable | Customer Concentration Risk | Motorola          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Concentration risk percentage     16.00%    
Revenue | Customer Concentration Risk | MTN          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Concentration risk percentage 11.00% 12.00% 13.00% 11.00%