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Description of Business and Basis of Presentation - Additional Information (Details) |  | 3 Months Ended
--- | --- | ---
Jan. 07, 2021 USD ($) | Mar. 31, 2021 Segment
Business Acquisition [Line Items] |  |
Number of operating segments | Segment |  | 1
NimbeLink |  |
Business Acquisition [Line Items] |  |
Business combination, consideration transferred, upfront cash purchase price | $ 15,000,000.0 |
Business combination, consideration transferred, working capital and other customary adjustments | 1,000,000.0 |
Business combination, consideration transferred, deferred cash payments | 728,000 |
NimbeLink | Maximum |  |
Business Acquisition [Line Items] |  |
Business combination, consideration transferred, additional considerations | $ 8,000,000.0 |

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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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