Income taxes - Summary reconciliation of effective rate of the company's provision (benefit) for income taxes (Detail) |
12 Months Ended | |
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Jun. 30, 2021 |
Jun. 30, 2020 |
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| Income Tax Disclosure [Abstract] | ||
| Statutory rate | 21.00% | 21.00% |
| Permanent differences | (8.90%) | (2.40%) |
| Share-based payments | (0.32%) | (0.74%) |
| Change in valuation allowance | (13.90%) | (24.12%) |
| Foreign tax rate differential | 2.12% | 6.26% |
| Total | 0.00% | 0.00% |
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- Definition Effective income tax reconciliation percentage permanent differences. No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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