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Related Party Arrangements (Details Textual) - Chief Executive Officer - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Accrued Expenses And Other Liabilities |  |
Related Party Transaction [Line Items] |  |
Due to related parties | $ 216,000 |
Research Grants |  |
Related Party Transaction [Line Items] |  |
Total expense | $ 432,000 | $ 439,000

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