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GOODWILL (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure Goodwill Abstract  
Schedule of goodwill
  Goodwill 
Balance as of January 1, 2020  $8,101,000 
Acquisition of Relec   1,148,000 
Effect of exchange rate changes   397,000 
Balance as of January 1, 2021   9,646,000 
Acquisition of Imperalis   278,000 
Effect of exchange rate changes   166,000 
Balance as of December, 2021  $10,090,000