XML 61 R53.htm IDEA: XBRL DOCUMENT v3.22.1

Fair Value Measurements (Details Narrative)	Mar. 31, 2022 $ / shares shares
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 5.25
Pre Funded Warrant [Member]
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	1,507,143
Purchase Warrant [Member]
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	2,857,143

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=BFRI_PreFundedWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=BFRI_PurchaseWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: