Merger - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |
Jun. 15, 2020 |
Sep. 30, 2020 |
Dec. 31, 2019 |
---|---|---|---|
Business Acquisition [Line Items] | |||
Common stock, shares outstanding | 11,216,563 | 2,108,266 | |
Vested restricted stock awards outstanding | 1,038,496 | ||
Tocagen, Inc. | |||
Business Acquisition [Line Items] | |||
Estimated fair value of total consideration | $ 32,981 | ||
Common stock, shares outstanding | 1,594,670 | ||
Options to purchase shares of common stock outstanding | 26,975 | ||
Closing stock price | $ 18.90 | ||
Merger transaction costs | $ 1,200 | ||
Tocagen, Inc. | Restricted Stock Awards | |||
Business Acquisition [Line Items] | |||
Vested restricted stock awards outstanding | 61,406 |