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Business Combinations - Additional Information (Details) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Jan. 07, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 10,845,000 |  | $ 3,700,000
Sales |  | 17,377,000 | $ 11,216,000 |
Net income (loss) |  | 237,000 | $ (1,202,000) |
NimbeLink |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Upfront cash purchase price | $ 15,991,000 |  |  |
Cash purchase price prior to customary adjustments | 15,000,000.0 |  |  |
Other customary adjustments | 1,000,000.0 |  |  |
Deferred payments | 728,000 |  |  |
Purchase price allocation, inventory step-up | 400,000 |  |  |
Goodwill | 7,145,000 |  |  |
Sales |  | 3,200,000 |  |
Net income (loss) |  | $ 200,000 |  |
NimbeLink | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, consideration transferred, contingent considerations | $ 8,000,000.0 |  |  |

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