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Tax Credits, Prepaid Expenses and Other Current Assets | 3 Months Ended
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Mar. 31, 2026
Tax Credits, Prepaid Expenses and Other Current Assets |
Tax Credits, Prepaid Expenses and Other Current Assets | 5. Tax Credits, Prepaid Expenses and Other Current Assets Tax credits, prepaid expenses and other current assets consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
Tax credits | ​ | $ | 231,003 | ​ | $ | 179,701
​ | ​ | ​ | ​ | ​ | ​ | ​
Prepaid and deferred expenses | ​ | $ | 317,456 | ​ | $ | 275,428
Prepaid research and development service agreements | ​ | ​ | 12,423 | ​ | ​ | 243,796
Prepaid directors and officers (D&O) insurance costs | ​ | ​ | 358,059 | ​ | ​ | 77,593
Research and development grant receivable, net | ​ | ​ | 763,606 | ​ | ​ | 622,992
Total prepaid expenses and other current assets | ​ | $ | 1,451,543 | ​ | $ | 1,219,809
​ Tax credits consist of a value-added tax credit, which is an indirect tax receivable from Swiss and Spanish tax authorities on purchases of goods and services executed in those countries. Prepaid and deferred expenses refer to pre-payments made to the Company’s vendors for future services. Prepaid research and development service agreements mainly refer to research agreements entered into with third parties for research projects that will be recognized as expenses throughout the research period. Prepaid D&O insurance costs relate to an annual insurance premium which will be recognized in the statement of operations on a monthly basis throughout the one year insurance period. The research and development grant receivable, net of income tax payable, relates to a tax credit for eligible research and development costs incurred under the R&DTI program and a receivable related to the research grant awarded by Innosuisse under the Swiss Accelerator program. Refer to Note 3 for further discussion.

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