Organization - Additional Information (Detail) - Patent |
6 Months Ended | 12 Months Ended |
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Nov. 30, 2015 |
May. 31, 2015 |
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| Organization Consolidation And Presentation Of Financial Statements [Line Items] | ||
| Number of patent license agreements | 3 | 3 |
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- Definition Number of patent license agreement. No definition available.
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- Definition Organization Consolidation And Presentation Of Financial Statements [Line Items] No definition available.
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