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Investment in Inex Bio, Inc - Summary of Assets and Liabilities Assumed (Detail) - Other Owner Of Inex Bio Inc $ in Thousands | Sep. 30, 2015 USD ($)
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Business Acquisition [Line Items] |
Cash | $ 763
Intangible assets—reacquired rights of Company technology | 7,199
Other assets | 12
Investment in Inex Bio | (221)
Accounts payable | (1)
Total assets acquired and liabilities assumed | $ 7,752

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