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Fair Value Measurements - Assets/Liabilities Measured at Fair Value (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Cash and cash equivalents | $ 51,184 | $ 13,269
Processa common shares | 4 | 25
Quoted Price in Active Markets for Identical Instruments Level 1 |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Cash and cash equivalents | 1,314 | 1,340
Processa common shares | 4 | 25
Significant Other Observable Inputs Level 2 |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Cash and cash equivalents | $ 49,870 | $ 11,929
Processa Pharmaceuticals, Inc |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Shares to be issued under agreement | 41 |

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