Related Party Transactions |
12 Months Ended |
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Dec. 31, 2021 | |
Related Party Transactions [Abstract] | |
Related Party Transactions | 7. Related Party Transactions We paid consulting expenses of $0.2 million, $0.3 million and $0.2 million for the years ended December 31, 2021, 2020 and 2019, respectively, for consulting services with certain related parties, including a family member of management and a board member. At both December 31, 2021 and 2020, there was less than $0.1 million included in accounts payable and accrued expenses due to related parties. |