Quarterly report pursuant to Section 13 or 15(d)

SCHEDULE OF DISAGGREGATED NET SALES (Details)

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SCHEDULE OF DISAGGREGATED NET SALES (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales $ 4,136 $ 2,501 $ 12,273 $ 6,488
Telecommunications [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 3,524 2,491 11,017 6,294
Government And Military [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 373 2 538 9
Marine [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 30 1 44 5
Other [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 209 7 674 180
DC Power Systems [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 4,023 2,414 11,884 6,200
Engineering And Tech Support Services [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 52 222
Accessories [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales $ 61 $ 87 $ 167 $ 288