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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2024
Income Taxes |
Schedule of losses before income taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31,
​ |  | 2024 |  | 2023
​ | ​ | ​ | ​ | ​ | ​ | ​
Domestic | ​ | $ | (7,641) | ​ | $ | (8,568)
Foreign | ​ |  | (18,012) | ​ |  | (11,421)
​ | ​ | ​ | ​ | ​ | ​ | ​
Income/(Loss) before Income Taxes | ​ | $ | (25,653) | ​ | $ | (19,989)
Schedule of components of income tax benefit | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31,
​ |  | 2024 |  | 2023
Current: | ​ | ​ | ​ | ​ | ​ | ​
Federal | ​ | $ | — | ​ | $ | —
State | ​ |  | — | ​ |  | —
Foreign | ​ |  | — | ​ |  | —
Total Current | ​ |  | — | ​ |  | —
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred: | ​ |  |  | ​ |  |
Federal | ​ | $ | — | ​ | $ | —
State | ​ |  | — | ​ |  | —
Foreign | ​ |  | — | ​ |  | (1,640)
Total Deferred | ​ |  | — | ​ |  | (1,640)
Provision (Benefit) for income taxes | ​ |  | — |  | ​ | (1,640)
Schedule of Income tax (benefit) provision related to continuing operations computed by applying the statutory income tax rate to pretax loss | Income tax (benefit) provision related to continuing operations differ from the amounts computed by applying the statutory income tax rate of 21% to pretax loss as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31, 2024 |  | Year Ended December 31, 2023 | ​
​ |  | Amount |  | Rate |  | Amount |  | Rate |
US Federal Statutory Tax Rate |  | $ | (5,387) |  | 21.00 | % | (4,198) |  | 21.00 | %
State and Local Income Taxes, Net of Federal Income Tax Effect |  | ​ | 4,445 |  | (17.33) | % | (532) |  | 2.66 | %
Foreign Tax Effects-Spain |  | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ | ​
Statutory tax rate difference between Spain and United States |  | ​ | (721) |  | 2.81 | % | (457) |  | 2.29 | %
Changes in Valuation Allowances |  | ​ | 3,741 |  | (14.58) | % | 1,332 |  | (6.66) | %
VCN Impairment | ​ | ​ | 1,400 | ​ | (5.46) | % | 0 | ​ | 0 | %
Changes in Valuation Allowances | ​ | ​ | (19,347) | ​ | 75.42 | % | 2,291 | ​ | (11.46) | %
Nontaxable or Nondeductible Items |  | ​ | 222 |  | (0.87) | % | (187) |  | 0.93 | %
Other Adjustments |  | ​ | 181 |  | (0.71) | % | 111 |  | (0.56) | %
NOL adjustment- 382 study | ​ | ​ | 15,466 | ​ | (60.28) | % | 0 | ​ | 0 | %
Effective Tax Rate |  | $ | 0 |  | 0 | % | (1,640) |  | 8.20 | %
Schedule of deferred tax assets and liabilities | Deferred income taxes reflect the net tax effects of loss and credit carryforwards and temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s deferred tax assets for federal and state income taxes are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2024 |  | 2023
Deferred Tax Assets: |  | ​ |  |  | ​ |
Federal, State and Foreign NOL Carryforward | ​ | $ | 9,714 | ​ | $ | 27,356
Accrued Compensation | ​ |  | 26 | ​ |  | 24
Stock Issued For Services | ​ |  | 785 | ​ |  | 957
Stock Issued for Acquisition of Program | ​ |  | 1,398 | ​ |  | 1,457
Stock Issued for License Agreement | ​ | ​ | 888 | ​ | ​ | 1,124
Amortizable License Fee | ​ | ​ | 3 | ​ | ​ | 3
Other Deferred Tax Asset | ​ | ​ | 11 | ​ | ​ | —
Capitalized Research & Development costs | ​ | ​ | 2,885 | ​ | ​ | 2,422
​ | ​ | ​ | ​ | ​ | ​ | ​
Total Gross DTA | ​ |  | 15,710 | ​ |  | 33,343
Less: Valuation Allowance | ​ |  | (11,326) | ​ |  | (28,351)
Total Deferred Tax Assets | ​ |  | 4,384 | ​ |  | 4,992
Deferred Tax Liabilities: | ​ | ​ | ​ | ​ | ​ | ​
IPR&D | ​ | ​ | (4,340) | ​ | ​ | (4,939)
ASC 842 Net ROU Assets | ​ |  | (44) | ​ |  | (53)
Total Gross DTL | ​ |  | (4,384) | ​ |  | (4,992)
​ | ​ | ​ | ​ | ​ | ​ | ​
Net Deferred Tax Asset (Liability) | ​ | $ | — | ​ | $ | —

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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