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Australia Research and Development Tax Incentive - Additional Information (Detail) - Spero Potentiator Australia Pty Limited [Member] - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Australia [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Tax incentive receivable | $ 0.4 | $ 1.2
Research and Development Expenses [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Percentage of refundable tax incentive | 43.50% |
Reduction to research and development expenses | $ 0.1 | $ 0.3

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- Definition Effective tax incentive rate related to research and development. + References No definition available. + Details
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- Definition Schedule of income tax. + References No definition available. + Details
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- Definition Tax incentive receivable. + 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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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |