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Reportable Segments (Details) - Schedule of segments commencing from the date of acquisitions - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Reportable Segments (Details) - Schedule of segments commencing from the date of acquisitions [Line Items] |  |  |  |
Revenues | $ 23,374 | $ 22,664 |  | $ 18,135
Operating income | 5,463 | 5,040 |  | $ 5,350
Billing and Related Services [Member] |  |  |  |
Reportable Segments (Details) - Schedule of segments commencing from the date of acquisitions [Line Items] |  |  |  |
Revenues | 14,628 | 16,547 |  |
Operating income | 4,412 | 4,254 |  |
Messaging [Member] |  |  |  |
Reportable Segments (Details) - Schedule of segments commencing from the date of acquisitions [Line Items] |  |  |  |
Revenues | 8,746 | 6,117 | [1] |
Operating income | $ 1,051 | $ 786 | [1] |
[1] | The results of operations reported for the year ended December 31, 2019, includes the results of operations of Messaging commencing the second quarter of 2019 (see Note 1a(3)).

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