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Significant Accounting Policies (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
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Sep. 25, 2019 | Mar. 25, 2019 | Feb. 18, 2018 | Dec. 31, 2020
Significant Accounting Policies (Details) [Line Items] |  |  |  |
Business combination, description | the Company acquired 100% of the outstanding shares of a German based company, GTX, for a total consideration of EUR 250 thousand in cash (approximately $273 thousand). GTX is a provider of enterprise messaging communication. | the Company acquired 100% of the outstanding shares of a German-based company, Message Mobile, for a total consideration of approximately $3 million, $2.25 million was paid in cash and approximately $0.75 million was paid in shares. Message Mobile is a leading provider of enterprise messaging, communication and payment solutions. |  |
Effective Income Tax Rate Reconciliation, Percent |  |  | 7.50% | 50.00%
Core Technology |  |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |  |
Fair value of assets acquired |  |  |  | $ 300
Intangible assets amortized over their estimated useful lives |  |  |  | 10 years 9 months
Customer Relationships [Member] |  |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |  |
Fair value of assets acquired |  |  |  | $ 550
Intangible assets amortized over their estimated useful lives |  |  |  | 5 years 9 months
Goodwill [Member] |  |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |  |
Fair value of assets acquired | $ 200 |  |  | $ 2,200

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