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Geographic and Product Data (Details Textual) | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 29, 2017 | Sep. 30, 2016 | Sep. 29, 2017 | Sep. 30, 2016 | Dec. 30, 2016
Geographic and Product Data [Line Items] |  |  |  |  |
Disclosure on Geographic Areas, Description of Revenue from External Customers |  |  | The Company markets and sells its products in over 60 countries and conducts its manufacturing in the United States. Other than China, Japan, and the United States, the Company does not conduct business in any country in which its sales exceed 10% of worldwide consolidated sales. |  |
Number of Countries in which Entity Operates | 60 |  | 60 |  |
Sales Exceed Percentage |  |  | 10.00% |  |
Customer One [Member] | Accounts Receivable [Member] |  |  |  |  |
Geographic and Product Data [Line Items] |  |  |  |  |
Concentration Risk, Percentage |  | 21.00% | 26.00% |  |
Customer One [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Geographic and Product Data [Line Items] |  |  |  |  |
Concentration Risk, Percentage | 31.00% |  |  |  |
Customer Two [Member] | Accounts Receivable [Member] |  |  |  |  |
Geographic and Product Data [Line Items] |  |  |  |  |
Concentration Risk, Percentage |  |  |  | 19.00% | 22.00%
Customer Two [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Geographic and Product Data [Line Items] |  |  |  |  |
Concentration Risk, Percentage |  |  | 27.00% |  |

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