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RESTRUCTURING AND INTEGRATION CHARGES AND IMPAIRMENT LOSSES (NARRATIVE) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Reduction in force | $ 179,000 |  | $ (200,000) | $ 570,000 | $ 1,654,000 |
Facility exit charges | 2,537,000 |  | 621,000 | 4,029,000 | 747,000 |
Customer Management Services [Member] |  |  |  |  |  |
Reduction in force | 97,000 |  | (213,000) | 437,000 | 1,548,000 |
Facility exit charges | 2,462,000 |  | 600,000 | 3,313,000 | $ 642,000 |
Customer Management Services [Member] | Leasehold Improvements |  |  |  |  |  |
Restructuring impairment losses | $ 0 |  |  | $ 1,100,000 |  |
Connextions |  |  |  |  |  |
Reduction in force |  |  |  |  |  | $ 400,000
Termination fee |  |  |  |  |  | 600,000
Integration charges |  | $ 3,900,000 | $ 5,600,000 |  |  |
Facility exit charges |  |  |  |  |  | $ 1,400,000
Connextions | Leasehold Improvements |  |  |  |  |  |
Integration charges |  | $ 3,500,000 |  |  |  |

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