v3.20.4

Acquisitions (Details) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 01, 2018 USD ($) item | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2020
Acquisitions |  |  |  |
Increase in accrued expenses and other liabilities |  | $ 566 |  |
Decrease of goodwill |  | 1,061 |  |
Backlog - held for sale |  |  |  |
Acquisitions |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  | 750 |  |
Backlog |  |  |  |
Acquisitions |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  | (48) |  |
Elauwit Networks, LLC |  |  |  |
Acquisitions |  |  |  |
Consideration for acquisition of assets before contingent consideration | $ 28,000 |  |  |
Total purchase price | 28,612 |  |  |
Contingent consideration fair value | 961 |  |  |
Cash paid | 15,576 |  |  |
Purchase price held back | 11,000 |  |  |
Indemnification holdback retained for 12 months | $ 2,000 |  |  |
Payment of indemnification holdback |  | 1,075 |  |
Identification holdback amount retained |  | 925 |  |
Indemnification holdback period | 12 months |  |  |
Payment for amounts held back for third-party consents |  | 1,952 | $ 9,048 |
Business Combination, Contingent Consideration, Liability, Valuation Technique [Extensible List] | wifi:MonteCarloMethodMember |  |  |
Increase in accrued expenses and other liabilities |  | 566 |  |
Elauwit Networks, LLC | Costs and operating expenses |  |  |  |
Acquisitions |  |  |  |
Increase in accrued expenses and other liabilities |  | $ 566 |  |
Elauwit Networks, LLC | Risk-free rate |  |  |  |
Acquisitions |  |  |  |
Contingent consideration valuation input | item | 2.78 |  |  |
Elauwit Networks, LLC | Revenue volatility rate |  |  |  |
Acquisitions |  |  |  |
Contingent consideration valuation input | item | 40 |  |  |
Elauwit Networks, LLC | Relief from royalty method | Royalty rate |  |  |  |
Acquisitions |  |  |  |
Identifiable intangible assets valuation input | item | 1.0 |  |  |
Elauwit Networks, LLC | Minimum | Excess earnings, relief from royalty, and loss-of-revenue methods | Discount rates |  |  |  |
Acquisitions |  |  |  |
Identifiable intangible assets valuation input | item | 8.0 |  |  |
Elauwit Networks, LLC | Maximum | Excess earnings, relief from royalty, and loss-of-revenue methods | Discount rates |  |  |  |
Acquisitions |  |  |  |
Identifiable intangible assets valuation input | item | 21.0 |  |  |
Elauwit Networks, LLC | Backlog | Fair value less costs | Discount rates |  |  |  |
Acquisitions |  |  |  |
Identifiable intangible assets valuation input |  |  |  | 8

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