XML 126 R35.htm IDEA: XBRL DOCUMENT
v3.25.1

Income Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Income Taxes |
Schedule of Effective Income Tax Rate Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31, |
​ |  | 2024 |  | 2023 |
Statutory federal income tax rate |  | 21 | % | 21 | %
State taxes, net of federal tax benefit |  | 16 | % | 16 | %
Non-deductible items |  | (1) | % | — | %
Tax credits |  | 1 | % | 4 | %
Other |  | (10) | % | (3) | %
Change in valuation allowance |  | (27) | % | (38) | %
Income taxes provision (benefit) |  | — |  | — | ​
Schedule of Components Of Net Deferred Tax Asset | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31,
($ in thousands) |  | 2024 |  | 2023
Deferred tax assets: |  | ​ |  |  | ​ |
Net operating loss carryovers | ​ | $ | 95,131 | ​ | $ | 84,651
Stock compensation and other | ​ |  | 1,537 | ​ |  | 1,946
Change in fair value of warrant liabilities | ​ |  | 59 | ​ |  | 59
Amortization of license | ​ |  | 9,672 | ​ |  | 11,856
Lease liability | ​ | ​ | 326 | ​ | ​ | 929
Accruals and reserves | ​ |  | 1,922 | ​ |  | 1,841
Startup costs | ​ |  | 4 | ​ |  | 5
Tax credits | ​ | ​ | 19,046 | ​ | ​ | 18,189
174 Capitalization | ​ |  | 24,437 | ​ |  | 28,800
Total deferred tax assets | ​ | ​ | 152,134 | ​ | ​ | 148,276
Less: valuation allowance | ​ |  | (152,104) | ​ |  | (147,694)
Net deferred tax assets | ​ | $ | 30 | ​ | $ | 582
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred tax liabilities: | ​ | ​ | ​ | ​ | ​ | ​
Right of use asset | ​ | ​ | (30) | ​ | ​ | (582)
Total deferred tax assets, net | ​ | $ | — | ​ | $ | —

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration