<>
v3.22.2.2
Document And Entity Information
|
|
| Document Information [Line Items] |
|
| Entity, Registrant Name |
BIOCARDIA, INC.
|
| Document, Type |
8-K
|
| Document, Period End Date |
Nov. 09, 2022
|
| Entity, Incorporation, State or Country Code |
DE
|
| Entity, File Number |
0-21419
|
| 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
|
| City Area Code |
650
|
| Local Phone Number |
226-0120
|
| Written Communications |
false
|
| Soliciting Material |
false
|
| Pre-commencement Tender Offer |
false
|
| Pre-commencement Issuer Tender Offer |
false
|
| Entity, Emerging Growth Company |
false
|
| Amendment Flag |
false
|
| Entity, Central Index Key |
0000925741
|
| CommonStockParValue0001 Custom [Member] |
|
| Document Information [Line Items] |
|
| Title of 12(b) Security |
Common Stock, par value $0.001
|
| Trading Symbol |
BCDA
|
| Security Exchange Name |
NASDAQ
|
| WarrantToPurchaseCommonStock Custom [Member] |
|
| Document Information [Line Items] |
|
| Title of 12(b) Security |
Warrant to Purchase Common Stock
|
| Trading Symbol |
BCDAW
|
| Security Exchange Name |
NASDAQ
|
| X |
- DefinitionBoolean flag that is true when the XBRL content amends previously-filed or accepted submission.
| Name: |
dei_AmendmentFlag |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:booleanItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionFor the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.
| Name: |
dei_DocumentPeriodEndDate |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:dateItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionThe type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.
| Name: |
dei_DocumentType |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:submissionTypeItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionAddress Line 1 such as Attn, Building Name, Street Name
| Name: |
dei_EntityAddressAddressLine1 |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:normalizedStringItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- Definition
+ References
+ Details
| Name: |
dei_EntityAddressCityOrTown |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:normalizedStringItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionCode for the postal or zip code
| Name: |
dei_EntityAddressPostalZipCode |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:normalizedStringItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionName of the state or province.
| Name: |
dei_EntityAddressStateOrProvince |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:stateOrProvinceItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionA unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
| Name: |
dei_EntityCentralIndexKey |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:centralIndexKeyItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionIndicate if registrant meets the emerging growth company criteria. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
| Name: |
dei_EntityEmergingGrowthCompany |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:booleanItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionCommission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.
| Name: |
dei_EntityFileNumber |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:fileNumberItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionTwo-character EDGAR code representing the state or country of incorporation.
| Name: |
dei_EntityIncorporationStateCountryCode |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:edgarStateCountryItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionThe exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
| Name: |
dei_EntityRegistrantName |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:normalizedStringItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionThe Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2
| Name: |
dei_EntityTaxIdentificationNumber |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:employerIdItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionLocal phone number for entity.
| Name: |
dei_LocalPhoneNumber |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:normalizedStringItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionBoolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 13e
-Subsection 4c
| Name: |
dei_PreCommencementIssuerTenderOffer |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:booleanItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionBoolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 14d
-Subsection 2b
| Name: |
dei_PreCommencementTenderOffer |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:booleanItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionTitle of a 12(b) registered security. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b
| Name: |
dei_Security12bTitle |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:securityTitleItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionName of the Exchange on which a security is registered. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection d1-1
| Name: |
dei_SecurityExchangeName |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:edgarExchangeCodeItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionBoolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Section 14a
-Number 240
-Subsection 12
| Name: |
dei_SolicitingMaterial |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:booleanItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionTrading symbol of an instrument as listed on an exchange.
| Name: |
dei_TradingSymbol |
| Namespace Prefix: |
dei_ |
| Data Type: |
dei:tradingSymbolItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- DefinitionBoolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230
-Section 425
| Name: |
dei_WrittenCommunications |
| Namespace Prefix: |
dei_ |
| Data Type: |
xbrli:booleanItemType |
| Balance Type: |
na |
| Period Type: |
duration |
|
| X |
- Details
| Name: |
us-gaap_StatementClassOfStockAxis=bcda_CommonStockParValue0001CustomMember |
| Namespace Prefix: |
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| Data Type: |
na |
| Balance Type: |
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| Period Type: |
|
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| X |
- Details
| Name: |
us-gaap_StatementClassOfStockAxis=bcda_WarrantToPurchaseCommonStockCustomMember |
| Namespace Prefix: |
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| Data Type: |
na |
| Balance Type: |
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| Period Type: |
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