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v3.21.1

Related-Party Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Accounts Payable |  |  |
Related Party Transaction |  |  |
Outstanding payments due to consultants | $ 42 |  | $ 187
Consultant |  |  |
Related Party Transaction |  |  |
Expenses paid to consultants | $ 636 | $ 860 |

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