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Summary of Significant Accounting Policies (Tables) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2025 | Dec. 31, 2024
Summary of Significant Accounting Policies |  |
Schedule of United Kingdom research and development incentives receivable |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Current |  | Long-Term |  | Total
Balance at December 31, 2023 |  | $ | 23,894 | ​ | $ | 25,468 | ​ | $ | 49,362
UK research and development incentives, transfer |  | ​ | 25,468 | ​ | ​ | (25,468) | ​ |  | —
UK research and development incentives, adjustments | ​ | ​ | (25,468) | ​ | ​ | (20) | ​ | ​ | (25,488)
UK research and development incentives cash receipt |  | ​ | (23,848) | ​ |  | — | ​ |  | (23,848)
Foreign currency translation |  | ​ | (46) | ​ |  | 20 | ​ |  | (26)
Balance at December 31, 2024 | ​ | $ | — | ​ | $ | — | ​ | $ | —
Schedule of potentially dilutive outstanding instruments which were not included in the computation of diluted EPS | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of June 30, | ​
​ |  | 2025 |  | 2024 |
Common stock purchase warrants | ​ | 1,467,581 | ​ | 1,150,834 | ​
Stock options |  | 300,467 |  | 56,699 |
Convertible debt |  | — |  | 100,947 |
Total |  | 1,768,048 |  | 1,308,480 |
| ​
​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2024 |  | 2023
Common stock purchase warrants | ​ | 1,467,581 | ​ | 408,640
Stock options |  | 229,919 |  | 56,609
Convertible debt |  | 360,335 |  | 273,973
Total |  | 2,057,835 |  | 739,222

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- Definition Tabular disclosure of significant agreements under research and development arrangements accounted for as a contract to perform research and development for others (including royalty arrangements, purchase provisions, license agreements, and commitments to provide additional funding), aggregated by similar arrangements or individually if necessary to understand the effects on the financial statements. Include also the amount of costs incurred under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate. Include also the amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 730 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483041/730-20-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 730 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483041/730-20-50-1 + Details
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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