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Organization and Description of Business (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Organization and Description of Business |  |
Cash and cash equivalents | $ 5,684 | $ 6,451
Gross proceeds to date | 91,000 |
(Losses) since inception | $ 93,717 | $ 88,523

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