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Inventories (Details Narrative) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Ameluz [Member]
Inventory [Line Items]
Inventory provision	$ 0	$ 0

X

- Definition

Inventory provision for obsolescence.

+ References

No definition available.

+ Details

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

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

X

- Details

Name:	us-gaap_PublicUtilitiesInventoryAxis=BFRI_AmeluzMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: