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Share-Based Compensation - Award Types of Stock-Based Compensation Expense in Condensed Statement of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2025
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense	$ 69	$ 1,985	$ 1,134	$ 8,555
Parascent warrant obligation
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense	0	(9)	61	2,027
Stock options
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense	0	1,789	983	5,924
RSAs
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense	69	35	$ 90	238
RSUs
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation expense	$ 0	$ 170		$ 366

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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