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Related-Party Transactions
3 Months Ended
Mar. 31, 2021
Related-Party Transactions  
Related-Party Transactions

9. Related-Party Transactions

Expenses paid directly to consultants and vendors considered to be related parties amounted to $636 and $860 for the three months ended March 31, 2021 and 2020, respectively. Outstanding payments due to these related parties as of March 31, 2021 and December 31, 2020 were $42 and $187, respectively, and were included within accounts payable on the balance sheet.