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SCHEDULE OF SEGMENT REPORTING INFORMATION, BY SEGMENT (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Revenue from External Customer [Line Items]
Total Revenues	$ 11,676	$ 7,878
Defense [Member]
Revenue from External Customer [Line Items]
Total Revenues	4,993	3,513
Industrial [Member]
Revenue from External Customer [Line Items]
Total Revenues	2,041	2,183
Consumer [Member]
Revenue from External Customer [Line Items]
Total Revenues	534	222
Research and Development [Member]
Revenue from External Customer [Line Items]
Total Revenues	3,561	1,960
Product and Service, Other [Member]
Revenue from External Customer [Line Items]
Total Revenues	$ 547

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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