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Summary of Significant Accounting Policies - Additional Information (Detail) | 9 Months Ended
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Sep. 30, 2016 AUD
Maximum [Member] |
Summary Of Significant Accounting Policy [Line Items] |
Research and development tax incentives | AUD 20,000,000
Tax incentive rate related to research and development | 50.00%
Minimum [Member] | Australia [Member] |
Summary Of Significant Accounting Policy [Line Items] |
Tax incentive rate related to research and development | 50.00%

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- Definition Percentage of project expenditures needed to be incurred for no clawback. + References No definition available. + Details
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Balance Type: | na
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- Definition Percentage required for research and development expenses incurred to not be subject to clawback. + References No definition available. + Details
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Period Type: | duration

X
- Definition Summary of significant accounting policy. + References No definition available. + Details
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- Definition Tax incentive research and development activities. + References No definition available. + Details
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Period Type: | duration

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- Details
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