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v3.23.3

Organization, Description of Business and Liquidity and Capital Resources (Details) $ / shares in Units, $ in Thousands |  |  |  | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 28, 2023 USD ($) | Mar. 15, 2023 | Mar. 03, 2023 $ / shares | Sep. 30, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares
Reverse stock split ratio |  | 0.0667 |  |  |
Preferred stock par value (in dollars per share) | $ / shares |  |  | $ 0.0001 | $ 0.0001 | $ 0.0001
Number of fractional shares issued in connection with the Reverse Stock Split | shares |  |  |  | 0 |
Accumulated deficit |  |  |  | $ (372,355) | $ (329,369)
Amended Asset Purchase Agreement | uBriGene |  |  |  |  |
Asset purchase agreements, base consideration | $ 6,000 |  |  |  |
Asset purchase agreement, contingent consideration less severance obligation | $ 5,000 |  |  |  |
Number of years after the closing date | 2 years |  |  |  |
Maximum |  |  |  |  |
Reverse stock split ratio |  |  | 0.05 |  |
Minimum |  |  |  |  |
Reverse stock split ratio |  |  | 0.20 |  |
Minimum | Amended Asset Purchase Agreement | uBriGene |  |  |  |  |
Issuance of equity securities | $ 10,000 |  |  |  |

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