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Consolidated Statements of Stockholders' Equity (Parenthetical) - Convertible Preferred Shares - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
A T M Facility |  |
Temporary equity, issuance costs | $ 165 |
Public Offerings |  |
Temporary equity, issuance costs |  | $ 1,208

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