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Significant Accounting Policies (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Significant Accounting Policies (Details) [Line Items] |  |  |
Changes in fair value of contingent consideration liability | $ 3,356 | $ 266 | $ 34
Number of operating segments | 4 |  |
Employee's contribution percent | 100.00% |  |
Matching contributions, percentage | 3.00% |  |
Severance expenses | $ 5,344 | 4,712 | 4,052
Advertising expenses | 472 | 519 | 304
Stock-based compensation expense |  | 74 | 194
Expense related to credit losses | $ 1,242 | $ 958 | $ 1,070
Minimum [Member] |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |
Intangible assets amortization period | 1 year |  |
Maximum [Member] |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |
Intangible assets amortization period | 15 years |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
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