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Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 26, 2020 | Dec. 28, 2019
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Finite Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 30,567 | $ 30,286
Less accumulated amortization | (15,617) | (12,581)
Total intangible assets | 14,950 | 17,705
Patent | GeoTraq Inc. |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets | 26,096 | 26,096
Patents and Domains |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets | 23 | 23
Computer Software |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 4,448 | $ 4,167

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