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v3.21.1

Commitments and Contingencies - Narrative (Details) |  |  | 1 Months Ended |
--- | --- | --- | --- | ---
Apr. 09, 2020 patent | Sep. 05, 2018 patent | May 06, 2021 patent | Mar. 31, 2021 inter_partes_review
Contingencies [Line Items] |  |  |  |
Number of IPR requests denied | inter_partes_review |  |  |  | 7
Number of IPR requests granted | inter_partes_review |  |  |  | 4
Roku Lawsuit |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  | 9 |  |
Roku Lawsuit | Pending litigation |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  | 9 |  |
Number of patent families |  | 4 |  |
Roku, TCL, Hisense, and Funai Patent Infringement - ITC Matter | Pending litigation |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon | 5 |  |  |
TLC Hisense and Funai - ITC Matter | Pending litigation |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon | 6 |  |  |
Roku- ITC Matter | Pending litigation | Subsequent Event |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  |  | 2 |

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