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Geographic and Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2024
Geographic and Segment Information |
Schedule of Geographic Information | Geographic information for the years ended December 31, 2024 and 2023 is as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31,
​ |  | 2024 |  | 2023
Revenue |  | ​ |  |  | ​ |
United Kingdom | ​ | $ | 43 | ​ | $ | 420
Total Revenue | ​ | $ | 43 | ​ | $ | 420
Net loss | ​ |  |  | ​ |  |
United States | ​ | $ | (37) | ​ | $ | (808)
United Kingdom | ​ |  | (11,175) | ​ |  | (21,747)
Total Net Loss | ​ | $ | (11,212) | ​ | $ | (22,555)
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31,
​ |  | 2024 |  | 2023
Total Assets |  | ​ |  |  | ​ |
United States | ​ | $ | 3,285 | ​ | $ | 2,938
United Kingdom | ​ |  | 809 | ​ |  | 5,867
Total Assets | ​ | $ | 4,094 | ​ | $ | 8,805
Long Lived Assets, net | ​ |  |  | ​ |  |
United States | ​ | $ | 1 | ​ | $ | —
United Kingdom | ​ |  | 2 | ​ |  | 9
Total Long Lived Assets, net | ​ | $ | 3 | ​ | $ | 9
Schedule of Summary of Consolidated Net Loss | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31,
​ |  | 2024 |  | 2023
Revenues | ​ | $ | 43 | ​ | $ | 420
​ | ​ | ​ | ​ | ​ | ​ | ​
Operating expenses: | ​ |  |  | ​ |  |
Research and development | ​ |  | 6,655 | ​ |  | 19,155
General and administrative | ​ |  | 5,392 | ​ |  | 6,718
Total operating expenses | ​ |  | 12,047 | ​ |  | 25,873
​ | ​ | ​ | ​ | ​ | ​ | ​
Operating loss | ​ |  | (12,004) | ​ |  | (25,453)
​ | ​ | ​ | ​ | ​ | ​ | ​
Total other income (expense), net | ​ |  | 10 | ​ |  | (98)
Loss before taxes | ​ |  | (11,994) | ​ |  | (25,551)
​ | ​ | ​ | ​ | ​ | ​ | ​
Income tax benefit | ​ |  | 782 | ​ | ​ | 2,996
​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss | ​ | $ | (11,212) | ​ | $ | (22,555)
​ | ​ | ​ | ​ | ​ | ​ | ​

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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 + Details
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