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ACQUISITIONS - Consideration Transferred (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Jun. 01, 2021 | Dec. 31, 2021 | Dec. 31, 2020
TEGAM, Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash paid for acquisition | $ 15,430 |  |
Holdback | 1,800 |  |
Total fair value of consideration transferred | 17,230 |  |
Less cash acquired | (177) |  |
Total purchase price | $ 17,053 |  |
Acquired percentage | 100.00% |  |
Versatile Power, Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash paid for acquisition |  | $ 4,654 |
Holdback |  | 950 |
Total fair value of consideration transferred |  | 5,604 |
Less cash acquired |  | (245) |
Total purchase price |  | $ 5,359 | $ 5,359
Acquired percentage |  |  | 100.00%

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