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v3.21.1

OTHER ASSETS (Details Narrative) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 28, 2019 | Jun. 30, 2020 | Dec. 31, 2019 | Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Right of use assets |  |  | $ 1,806 | $ 1,505
Carrying value of note |  |  | 5,096 | 5,350
Change in note receivable |  | $ 194 |  | 194
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Principal amount | $ 7,500 |  |  |
Carrying value of note |  |  |  | $ 5,300
Interest rate | 4.00% |  |  | 4.00%
Maturity date | Dec. 31, 2022 |  |  | Dec. 31, 2022
Cash payment for promissory note |  |  | 1,800 |
Change in note receivable |  | $ 194 |  |
Revaluation of note |  |  |  | $ 254
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] | First Seller Note [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Principal amount | $ 5,000 |  | $ 3,200 |
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] | Second Seller Note [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Principal amount | $ 2,500 |  |  |

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