XML 64 R49.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 8 - Stockholders' Equity - Warrants (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Balance, warrants (in shares) | 141,889 | 161,648
Balance, exercise price (in dollars per share) | $ 94.5 | $ 95.4
Warrants for common stock sold, warrants (in shares) | 2,467,104 | (19,759)
Warrants for common stock sold, exercise price (in dollars per share) | $ 3.1 | $ 101.25
Warrants expired, warrants (in shares) | (141,889) |
Warrants expired, exercise price (in dollars per share) | $ 94.5 |
Balance, warrants (in shares) | 2,467,104 | 141,889
Balance, exercise price (in dollars per share) | $ 3.1 | $ 94.5

X
- Definition The number of warrants or rights expired during period. + References No definition available. + Details
Name: | bcda_ClassOfWarrantOrRightExpiredDuringPeriod
Namespace Prefix: | bcda_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of warrants expired during the period. + References No definition available. + Details
Name: | bcda_ClassOfWarrantOrRightExpiredDuringPeriodWeightedAverageExercisePrice
Namespace Prefix: | bcda_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants or rights issued during period. + References No definition available. + Details
Name: | bcda_ClassOfWarrantOrRightIssuedDuringPeriod
Namespace Prefix: | bcda_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price per share or per unit of warrants or rights issued during the period. + References No definition available. + Details
Name: | bcda_ClassOfWarrantOrRightIssuedDuringPeriodWeightedAverageExercisePrice
Namespace Prefix: | bcda_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant