The value of adjustments to the net purchase price.

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Represents the amount of the working capital adjustment received that reduced the purchase price.

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The percent of remaining consideration to be paid in cash in business combination.

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The percent of remaining consideration to be paid in common stock in business combination.

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The amount of remaining consideration payable in business combination.

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The amount of remaining consideration payable for each payment in business combination.

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The number of installments in which the remaining consideration has to be paid in business combination.

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The number of payments in which the remaining consideration has to be paid in business combination.

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Fair value of contingent consideration in a business combination.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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GOODWILL - Acquisition (Details) $ in Thousands			3 Months Ended
GOODWILL - Acquisition (Details) $ in Thousands	Dec. 30, 2021 USD ($)	Nov. 04, 2021 USD ($)	Mar. 31, 2022 USD ($) payment installment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Nov. 02, 2021
ACQUISITIONS
Adjustments to purchase price			$ 119
Increase in goodwill			175
Fair value of contingent consideration			0
Goodwill			106,568		$ 106,633
Working capital adjustment			185
Revenues			$ 114,785	$ 101,677
Spectrum Controls
ACQUISITIONS
Purchase price	$ 68,711
Number of remaining payments \| payment			2
Amount payable at each payment			$ 12,500
Number of equal installments \| installment			2
Percentage of remaining consideration in cash			50.00%
Percentage of remaining consideration in stock			50.00%
Spectrum Controls \| Accrued liabilities.
ACQUISITIONS
Consideration remaining payable			$ 12,416		12,388
Spectrum Controls \| Other long-term liabilities
ACQUISITIONS
Consideration remaining payable			12,305		$ 12,277
ORMEC
ACQUISITIONS
Business acquisition percentage of voting interests acquired						100.00%
ALIO
ACQUISITIONS
Business acquisition percentage of voting interests acquired		100.00%
Fair value of contingent consideration		$ 4,900	0
ALIO \| Other long-term liabilities
ACQUISITIONS
Fair value of contingent consideration			$ 4,900
ORMEC and ALIO
ACQUISITIONS
Purchase price		$ 33,458