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SCHEDULE OF SEGMENT REPORTING INFORMATION, BY SEGMENT (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021
Revenue from External Customer [Line Items]
Total Revenues	$ 11,729	$ 10,887	$ 35,217	$ 32,469
Defense [Member]
Revenue from External Customer [Line Items]
Total Revenues	5,851	3,483	17,695	12,257
Industrial [Member]
Revenue from External Customer [Line Items]
Total Revenues	1,727	2,724	4,889	7,394
Consumer [Member]
Revenue from External Customer [Line Items]
Total Revenues	676	384	1,182	1,318
Research And Development [Member]
Revenue from External Customer [Line Items]
Total Revenues	3,375	4,099	11,089	10,364
Other [Member]
Revenue from External Customer [Line Items]
Total Revenues	$ 100	$ 197	$ 362	$ 1,136

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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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