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v3.22.1

Commitments and Contingencies (Details Textual) |  |  |  |  | 12 Months Ended | 72 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 16, 2021 | Aug. 24, 2020 | Aug. 14, 2020 | Aug. 20, 2019 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2019 USD ($)
Commitments and Contingencies |  |  |  |  |  |  |  |
Purchase commitment, amount |  |  |  |  | $ 7,670,000 |  |  |
Uncertain tax positions |  |  |  |  | $ 895,000 | $ 861,000 | $ 895,000 | $ 298,000
Litigation Settlement, Expense |  |  |  |  |  |  | $ 28,156,000 |
Number of original claims unpatentable in light |  |  |  |  | 2 |  |  |
Litigation for Intellectual Property Infringement |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |
Litigation settlement |  |  |  | $ 4,452,149.6 |  |  |  |
Litigation expense, capitalized |  |  |  |  | $ 7,836,000 | $ 6,728,000 |  |
Patent Trial and Appeal Board |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |
Number of original claims unpatentable in light |  |  | 2 |  |  |  |  |
Number of amended claims |  | 11 | 11 |  |  |  |  |
Number of material references that render those claims unpatentable |  | 2 |  |  |  |  |  |
Number of challenges found in the petition were not reasonably likely to prevail | 5 |  |  |  |  |  |  |
Number of challenges in the petition | 7 |  |  |  |  |  |  |

X
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