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At-the-Market (ATM) Offering	12 Months Ended
Dec. 31, 2020
Stockholders Equity Note [Abstract]
At-the-Market (ATM) Offering	17. At-the-Market (ATM) Offering On December 1, 2020, the Company entered into a Sales Agreement (the 2020 Sales Agreement) with Evercore Group L.L.C. and H.C. Wainwright & Co., LLC (collectively, the Agents), pursuant to which the Company may sell, from time to time, at its option, up to an aggregate of $50.0 million of shares of the Company’s common stock, through the Agents, as its sales agents. No sales of Shares have been made under the 2020 Sales Agreement. The ATM offering was terminated in February 2021.

At-the-Market (ATM) Offering

12 Months Ended

Dec. 31, 2020

17. At-the-Market (ATM) Offering

On December 1, 2020, the Company entered into a Sales Agreement (the 2020 Sales Agreement) with Evercore Group L.L.C. and H.C. Wainwright & Co., LLC (collectively, the Agents), pursuant to which the Company may sell, from time to time, at its option, up to an aggregate of $50.0 million of shares of the Company’s common stock, through the Agents, as its sales agents. No sales of Shares have been made under the 2020 Sales Agreement. The ATM offering was terminated in February 2021.