Accounts payable and accrued liabilities - Additional Information (Detail) - USD ($) |
Mar. 31, 2020 |
Mar. 09, 2020 |
Dec. 31, 2019 |
Oct. 24, 2019 |
Dec. 31, 2018 |
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Accrued Expenses And Other Liabilities [Line Items] | |||||
Accounts payable and accrued liabilities | $ 10,184,977 | $ 11,412,896 | $ 6,447,888 | ||
Loss contingency claim value | $ 4,000,000 | $ 5,000,000 | |||
Service Provider [Member] | |||||
Accrued Expenses And Other Liabilities [Line Items] | |||||
Accounts payable and accrued liabilities | 2,889,626 | 2,889,626 | |||
Research And Development Suppliers [Member] | |||||
Accrued Expenses And Other Liabilities [Line Items] | |||||
Accounts payable and accrued liabilities | 9,144,666 | 10,049,622 | |||
Legal And Insurance Service Provider [Member] | |||||
Accrued Expenses And Other Liabilities [Line Items] | |||||
Accounts payable and accrued liabilities | $ 537,535 | $ 560,904 |
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- Definition Accrued Expenses and Other Liabilities Line Items No definition available.
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- Definition Loss contingency claim value. No definition available.
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- Definition Trade payables and accrued liabilities. No definition available.
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