Common Stock - Additional Information (Details) - $ / shares	May 31, 2026	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Class of Stock [Line Items]
Common stock, par value		$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized		86,600,000	86,600,000	86,600,000
Subsequent Event
Class of Stock [Line Items]
Common stock, par value	$ 0.01
Common stock, shares authorized	950,000,000

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.

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+ Details

Mobia Medical, Inc. 10-Q