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Commitments and Contingencies - Additional Information (Detail) - patent |  | 1 Months Ended
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Aug. 31, 2021 | Jul. 31, 2019
Commitments and Contingencies Disclosure [Abstract] |  |
Loss contingency on patents allegedly infringed upon (in patents) |  | 5
Gain contingency on patents allegedly infringed upon (in patents) | 4 |

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- Definition Number of entity's patents that another entity has allegedly infringed. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6397426&loc=d3e17499-108355 + Details
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- Definition Number of another entity's patents that the entity has allegedly infringed. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 + Details
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