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Stockholders' Equity - Equity Offerings and Placements - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 11, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 09, 2020
Stockholders Equity Note [Line Items] |  |  |  |
Common stock, shares issued (in shares) |  | 7,906,728 | 5,996,101 |
Gross proceeds from issuance of common stock |  | $ 2,458 |  |
Canaccord Genuity L L C And Roth Capital Partner L L C |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |
Common stock, shares issued (in shares) | 1,679,031 |  |  |
Shares issued, price per share |  |  |  | $ 13.25
Gross proceeds from issuance of common stock | $ 22,247 |  |  |
Underwriting discount, commission and estimated offering expenses | $ 1,860 |  |  |

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