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Document And Entity Information
Aug. 09, 2024
Document Information [Line Items]  
Entity, Registrant Name BioCardia, Inc.
Document, Type S-1
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 Flag false
Entity, Central Index Key 0000925741