XML 62 R35.htm IDEA: XBRL DOCUMENT
v3.25.1

Income Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Income Taxes |
Schedule of (Loss) Income from Continuing Operations Before Income Taxes | Loss before income taxes consisted of the following components (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2024 |  | 2023
United States | ​ | $ | (18,020) | ​ | $ | (68,182)
Foreign | ​ |  | (896) | ​ |  | (863)
Total | ​ | $ | (18,916) | ​ | $ | (69,045)
Schedule of Components of Deferred Tax Assets | Significant components of the Company’s deferred tax assets and liabilities were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2024 |  | 2023
Deferred tax assets: | ​ | ​ | ​ | ​ | ​ | ​
Net operating loss carryforwards | ​ | $ | 53,618 | ​ | $ | 46,591
Capitalized research and development | ​ |  | 24,045 | ​ |  | 21,431
Stock-based compensation | ​ |  | 1,804 | ​ |  | 2,083
Depreciation and amortization | ​ | ​ | 762 | ​ | ​ | 856
Lease accounting | ​ | ​ | 13,505 | ​ | ​ | 13,899
Interest expense carryforward | ​ | ​ | 1,292 | ​ | ​ | —
Other | ​ |  | 2,086 | ​ |  | 1,907
Total deferred tax assets before valuation allowance | ​ | ​ | 97,112 | ​ |  | 86,767
Less: valuation allowance | ​ |  | (84,217) | ​ |  | (75,166)
Total deferred tax assets after valuation allowance | ​ | ​ | 12,895 | ​ | ​ | 11,601
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred tax liabilities: | ​ | ​ |  | ​ | ​ |
Right-of-use asset | ​ | ​ | (10,763) | ​ | ​ | (11,510)
In-process research and development | ​ | ​ | (3,077) | ​ | ​ | (3,077)
Debt basis differences | ​ | ​ | (1,991) | ​ | ​ | —
Other | ​ | ​ | (141) | ​ | ​ | (91)
Total deferred tax liabilities | ​ | ​ | (15,972) | ​ | ​ | (14,678)
Net deferred tax liability | ​ | $ | (3,077) | ​ | $ | (3,077)
​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of Reconciliation of Statutory to Effective Tax Rates | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, |
​ |  | 2024 |  | 2023 |
U.S. federal statutory income tax rate |  | 21.0 | % | 21.0 | %
Adjustments for tax effects of: | ​ | ​ | ​ | ​ | ​
State income taxes, net of federal tax | ​ | 9.6 | % | 2.9 | %
Stock-based compensation | ​ | (3.7) | % | (1.6) | %
Non-deductible debt items | ​ | 25.3 | % | (7.8) | %
Change in valuation allowance | ​ | (49.7) | % | (9.3) | %
Change in rate | ​ | 0.5 | % | (3.3) | %
Return to provision | ​ | (1.6) | % | (0.7) | %
Permanent differences and other | ​ | (1.4) | % | (1.2) | %
Effective income tax rate |  | (0.0) | % | (0.0) | %

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

X
- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration