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Acquisition of Quellis (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 28, 2021 USD ($) shares | Dec. 31, 2021 shares
Acquisition of Quellis |  |
Number of shares of common stock into which each share of Series X Preferred Stock may be converted |  | 166.67
Common stock |  |
Acquisition of Quellis |  |
Issuance of common stock upon acquisition of Quellis (in shares) |  | 555,444
Quellis Biosciences, Inc |  |
Acquisition of Quellis |  |
Cost to acquire the assets | $ | $ 170,681 |
Acquisition costs | $ | $ 1,800 |
Quellis Biosciences, Inc | Common stock |  |
Acquisition of Quellis |  |
Issuance of common stock upon acquisition of Quellis (in shares) | 555,444 |
Series X redeemable convertible preferred stock |  |
Acquisition of Quellis |  |
Number of shares of common stock into which each share of Series X Preferred Stock may be converted |  | 166.67
Series X redeemable convertible preferred stock | Quellis Biosciences, Inc |  |
Acquisition of Quellis |  |
Issuance of preferred stock upon acquisition of Quellis (in shares) | 50,504 |
Number of shares of common stock into which each share of Series X Preferred Stock may be converted | 166.67 |
Series X redeemable convertible preferred stock | Quellis Biosciences, Inc | Stock Purchase Agreement |  |
Acquisition of Quellis |  |
Number of shares of common stock into which each share of Series X Preferred Stock may be converted |  | 166.67

X
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