Related party transactions - Additional information (Detail) |
12 Months Ended | |||
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Jun. 30, 2021
USD ($)
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Dec. 31, 2018
USD ($)
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Dec. 31, 2018
AUD ($)
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Jun. 30, 2020
USD ($)
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| Related Party Transaction [Line Items] | ||||
| Amount due to related party | $ 880,000 | $ 741,000 | ||
| NantWorks, LLC [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Milestone payment accrued during the period | $ 300,000 | $ 425,411 | ||
| Percentage of the outstanding common stock held by the investor | 26.44% | |||
| Francis Abourizk Lightowlers [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Legal fees | 2,000 | |||
| Amount due to related party | $ 2,000 | |||
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- Definition Milestone payment accrued during the period. No definition available.
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- Definition Percentage of the outstanding common stock held by the investor. No definition available.
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- Definition Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer. No definition available.
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- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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