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Contingencies - Additional Information (Detail) | 1 Months Ended |
--- | --- | ---
Apr. 15, 2013 LegalMatter | Dec. 22, 2011 Patent
Legal Proceedings [Line Items] |  |
Number of patents in lawsuit |  | 3
Number of consolidated lawsuits | 2 |
Expected trial date scheduled by Court | 2015-04 |

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- Definition If determined, state the month and year in which the contingent legal matter will be considered in a court of law or other jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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