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SCHEDULE OF SEGMENT REPORTING INFORMATION, BY SEGMENT (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 25, 2022 | Jun. 26, 2021 | Jun. 25, 2022 | Jun. 26, 2021
Revenue from External Customer [Line Items] |  |  |  |
Total Revenues | $ 11,909 | $ 9,905 | $ 23,487 | $ 21,582
Defense [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total Revenues | 7,087 | 3,779 | 11,844 | 8,772
Industrial [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total Revenues | 1,633 | 2,629 | 3,162 | 4,671
Consumer [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total Revenues | 284 | 400 | 505 | 934
Research and Development [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total Revenues | 2,806 | 2,704 | 7,714 | 6,265
Other [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Total Revenues | $ 99 | $ 393 | $ 262 | $ 940

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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