Segment Reporting (Details)	9 Months Ended	12 Months Ended
Sep. 30, 2025 Segment	Dec. 31, 2024
Segment Reporting [Abstract]
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]	Chief Executive Officer
Number of reportable segment	1	1
Approach of CODM to determine segment information	The CODM assesses performance for the hearing segment and decides how to allocate resources based on net loss that also is reported on the unaudited condensed consolidated statements of operations and comprehensive loss. The measure of segment assets is reported on the unaudited condensed consolidated balance sheets as total assets.

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 47
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-47

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 54
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-54

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-18

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration