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Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands | 12 Months Ended | 60 Months Ended |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2018
Commitments and Contingencies |  |  |  |
Purchase commitment, amount | $ 3,369 |  |  |
Uncertain tax positions | 861 | $ 298 | $ 861 | $ 679
Litigation for Intellectual Property Infringement |  |  |  |
Commitments and Contingencies |  |  |  |
Litigation Settlement, Expense |  |  | $ 20,319 |
Litigation expense, capitalized | $ 6,728 | $ 5,086 |  |

X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees, capitalized during the period. + References No definition available. + Details
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X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
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X
- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Details
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