Non interest bearing startup financing cost.

No definition available.

Name:	BFRI_NoninterestBearingStartupFinancingCost
Namespace Prefix:	BFRI_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sale of equity estimated profits of contingent consideration.

+ References

No definition available.

+ Details

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Namespace Prefix:	BFRI_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Start up financing costs.

+ References

No definition available.

+ Details

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Namespace Prefix:	BFRI_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Startup cost financing interest rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	BFRI_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Startup cost financing maturity date.

+ References

No definition available.

+ Details

Name:	BFRI_StartupCostFinancingMaturityDate
Namespace Prefix:	BFRI_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Startup cost financing term.

+ References

No definition available.

+ Details

Name:	BFRI_StartupCostFinancingTerm
Namespace Prefix:	BFRI_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of liability recognized from contingent consideration in asset acquisition.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480123/805-50-15-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

+ Details

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

- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_ValuationTechniqueAxis=BFRI_MonteCarloSimulationModelMember
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Data Type:	na
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- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
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Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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- Details

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Acquisition Contract Liabilities (Details Narrative) - USD ($) $ in Thousands	Mar. 25, 2019	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Asset Acquisition, Contingent Consideration, Liability		$ 2,300	$ 2,400	$ 4,300	$ 6,200	$ 7,602
Long-Term Debt [Member]
Business Acquisition [Line Items]
Asset Acquisition, Contingent Consideration, Liability		2,300	$ 2,400		$ 6,200
Monte Carlo Simulation Model [Member] \| Long-Term Debt [Member]
Business Acquisition [Line Items]
Asset Acquisition, Contingent Consideration, Liability		$ 2,300
Monte Carlo Simulation Model [Member] \| Measurement Input, Discount Rate [Member]
Business Acquisition [Line Items]
Derivative Liability, Measurement Input	6.0
Cutanea Life Sciences, Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage	100.00%
[custom:NoninterestBearingStartupFinancingCost]	$ 1,700
[custom:SaleOfEquityEstimatedProfitsOfContingentConsideration]	6,500
Cutanea Life Sciences, Inc. [Member] \| Share Purchase Agreement [Member]
Business Acquisition [Line Items]
[custom:StartUpFinancingCosts]	$ 7,300
Biofrontera AG [Member]
Business Acquisition [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage	29.90%
Maruho Co, Ltd. [Member]
Business Acquisition [Line Items]
[custom:StartupCostFinancingInterestRate-0]	6.00%
[custom:StartupCostFinancingTerm]	57 months
[custom:StartupCostFinancingMaturityDate]	Dec. 31, 2023