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v3.20.1

Commitments and Contingencies - Additional Information (Details) |  | 3 Months Ended |
--- | --- | --- | ---
Dec. 11, 2019 Employee | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Contingent severance obligation accrual |  | $ 0 |  | $ 0
Severance obligation change in control period |  | 12 months |  |
Transaction Bonus Plan ("Plan") |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Percentage of consideration payable | 10.00% |  |  |
Term of plan | 3 years |  |  |
Chief Executive Officer | Transaction Bonus Plan ("Plan") |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Percentage of ownership interest in plan | 50.00% |  |  |
Chief Financial Officer | Transaction Bonus Plan ("Plan") |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Percentage of ownership interest in plan | 10.00% |  |  |
Other Key Employees | Transaction Bonus Plan ("Plan") |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Percentage of ownership interest in plan | 25.00% |  |  |
Number of employees | Employee | 6 |  |  |
Pearson Action |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Contingent severance obligation accrual |  | $ 0 |  |
Cost of Revenues |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Royalty expense |  | 351,000 | $ 451,000 |
Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Severance obligation before change in control |  | 1,754,000 |  |
Severance obligation change in control |  | $ 2,345,000 |  |
Wireless Essential Patent Holders |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Royalty expire year |  | 2021 |  |
Wireless Essential Patent Holders | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Royalty payment percent of net revenues |  | 5.00% |  |
Other Providers of Integrated Technologies |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Royalty expire year |  | 2023 |  |
Other Providers of Integrated Technologies | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Royalty payment percent of net revenues |  | 5.00% |  |

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