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Summary of Significant Accounting Policies - Research and Development (Details) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
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Accounts Payable and Accrued Liabilities [Line Items] |  |
Outstanding payables | $ 1,216,501 | $ 369,177
CROs or CMOs |  |
Accounts Payable and Accrued Liabilities [Line Items] |  |
Outstanding payables | $ 149,145 | $ 31,346

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