Convertible Preferred Stock and Stockholders' Deficit - Stock-Based Compensation - Additional Information (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)
Stockholders' Equity Note [Abstract]
Unrecognized compensation expense related to stock options	$ 81
Unrecognized compensation cost related to unvested shares expected to be recognized, weighted-average period	9 months

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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

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Balance Type:	na
Period Type:	duration