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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales $ 4,847 $ 1,126 $ 8,137 $ 3,987
Telecommunications [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 4,440 1,096 7,492 3,834
Government/Military [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 134 4 165 8
Marine [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 14 2 14 3
Other [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 259 24 466 142
DC Power Systems [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 4,635 1,074 7,860 3,819
Engineering & Tech Support Services [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 142 34 170 110
Accessories [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales $ 70 $ 18 $ 107 $ 58