Quarterly report pursuant to Section 13 or 15(d)

SCHEDULE OF DISAGGREGATED NET SALES (Details)

v3.22.2.2
SCHEDULE OF DISAGGREGATED NET SALES (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales $ 4,274 $ 4,847 $ 7,983 $ 8,137
Telecommunications [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 4,228 4,440 7,898 7,492
Government And Military [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 12 134 29 165
Marine [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 3 14 17 14
Other [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 31 259 39 466
D C Power Systems [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 4,199 4,635 7,816 7,860
Engineering And Tech Support Services [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales 32 142 76 170
Accessories [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total net sales $ 43 $ 70 $ 91 $ 107