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Schedule of Transactions with Related Parties (Details) - USD ($) | 12 Months Ended
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Dec. 26, 2020 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Related Party Transaction [Line Items] |  |  |  |
Revenue from related parties |  | $ 2,678,335 | $ 5,778,672 | $ 1,220,838
Related party transaction, purchases from related party |  |  | 747,154 | 646,135
Goertek [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenue from related parties |  |  |  |
Related party transaction, purchases from related party |  |  | 747,154 | 646,135
RealWear, Inc. [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenue from related parties |  | 2,678,335 | 5,778,672 | 1,220,838
Related party transaction, purchases from related party |  |  |  |
Accounts receivable, related parties | 817,388 | 817,388 | 646,848 |
Accounts payable, related parties |  |  |  |

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