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Document And Entity Information
Aug. 29, 2024
Document Information [Line Items]  
Entity, Registrant Name BioCardia, Inc.
Document, Type S-1/A
Entity, Incorporation, State or Country Code DE
Entity, Tax Identification Number 23-2753988
Entity, Address, Address Line One 320 Soquel Way
Entity, Address, City or Town Sunnyvale
Entity, Address, State or Province CA
Entity, Address, Postal Zip Code 94085
Entity, Filer Category Non-accelerated Filer
Entity, Small Business true
Entity, Emerging Growth Company false
Amendment Description The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended, or until the registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.
Amendment Flag true
Entity, Central Index Key 0000925741