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The Company and Basis of Presentation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Feb. 28, 2021 | Dec. 31, 2020 | Jul. 15, 2020
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Number of warrants (in shares) | 5,636,801 |  | 5,636,801 |  |  |
Proceeds from sales of common stock, net of issuance costs | $ 0 | $ 29,705 |  |  |  |
Warrants |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Number of warrants (in shares) |  |  |  | 3,840,000 | 2,160,000 | 2,160,000
Warrants | Common Stock |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Exercise price per share (in dollars per share) |  |  |  | $ 2.25 | $ 4.00 | $ 4.00

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