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Stockholders' Equity - Preferred Stock (Details) | Mar. 31, 2022 $ / shares shares | Dec. 31, 2021 $ / shares shares | Feb. 28, 2021 shares
--- | --- | --- | ---
Preferred Stock |  |  |
Preferred stock, authorized (in shares) | 5,000,000 |  |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.001 |  |
Common Stock Issuable Upon Conversion at Transaction Date |  |  | 14,813,954
Series X redeemable convertible preferred stock |  |  |
Preferred Stock |  |  |
Preferred stock, authorized (in shares) | 91,380 | 91,380 |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 |
Preferred stock, outstanding (in shares) | 31,455 | 31,455 |
Number of shares of common stock into which each share of Series X Preferred Stock may be converted | 166.67 |  |
Common Stock Issuable Upon Conversion at Transaction Date | 5,242,501 |  |

X
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X
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