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Disaggregation of Revenues, Geographic Sales and Product Sales (Details Textual) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 29, 2018 | Jun. 30, 2017 | Jun. 29, 2018 | Jun. 30, 2017 | Dec. 29, 2017
Geographic and Product Data [Line Items] |  |  |  |  |
Number of Countries in which Entity Operates | 75 |  | 75 |  |
Sales Exceed Percentage |  |  | 10.00% |  |
Customer One [Member] | Accounts Receivable [Member] |  |  |  |  |
Geographic and Product Data [Line Items] |  |  |  |  |
Concentration Risk, Percentage |  |  | 40.00% |  | 24.00%
Customer One [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Geographic and Product Data [Line Items] |  |  |  |  |
Concentration Risk, Percentage | 41.00% | 28.00% | 36.00% | 25.00% |

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