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FAIR VALUE (CONTINGENT CONSIDERATION TABLE) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Business acquisitions, Contingent Consideration [Line Items] |  |  |  |
Beginning balance, contingent consideration payable |  |  | $ (9,600) | $ (18,032)
Acquisitions |  |  | 8,816 |
Payments |  |  | (9,600) | (9,600)
Contingent Consideration Payable Imputed Interest Expense and Other Adjustments |  |  | 2,900 | (1,168)
Ending balance, contingent consideration payable | $ (5,916) |  | (5,916) | (9,600)
Contingent consideration receivable acquired during period |  |  | 10,370 |
Contingent Consideration Receivable Imputed Interest Benefit and Other Adjustments |  |  | (4,646) |
Ending balance, contingent consideration asset | 5,724 |  | 5,724 |
VoiceFoundry US |  |  |  |
Business acquisitions, Contingent Consideration [Line Items] |  |  |  |
Beginning balance, contingent consideration payable |  |  | (7,414) | (14,085)
Payments |  |  | (7,414) | (7,414)
Contingent Consideration Payable Imputed Interest Expense and Other Adjustments |  |  |  | (743)
Ending balance, contingent consideration payable | 0 |  | 0 | (7,414)
VoiceFoundry ASEAN |  |  |  |
Business acquisitions, Contingent Consideration [Line Items] |  |  |  |
Beginning balance, contingent consideration payable |  |  | (2,186) | (3,947)
Payments |  |  | (2,186) | (2,186)
Contingent Consideration Payable Imputed Interest Expense and Other Adjustments |  |  |  | (425)
Ending balance, contingent consideration payable | 0 |  | 0 | (2,186)
Faneuil |  |  |  |
Business acquisitions, Contingent Consideration [Line Items] |  |  |  |
Beginning balance, contingent consideration payable |  |  | 0 |
Acquisitions |  |  | 8,816 |
Contingent Consideration Payable Imputed Interest Expense and Other Adjustments |  |  | 2,900 |
Ending balance, contingent consideration payable | (5,916) |  | (5,916) | $ 0
Faneuil receivable [Member] |  |  |  |
Business acquisitions, Contingent Consideration [Line Items] |  |  |  |
Contingent consideration receivable acquired during period |  |  | 10,370 |
Contingent Consideration Receivable Imputed Interest Benefit and Other Adjustments | (200) | $ (4,400) | (4,646) |
Ending balance, contingent consideration asset | $ 5,724 |  | $ 5,724 |

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