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Commitments and Contingencies (Details Narrative) - USD ($)
 1 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2025
Sep. 30, 2025
Dec. 31, 2022
Loss Contingencies [Line Items]      
Payments for Rent $ 1,600,000    
Lease option to extend   opted not to extend the term of the lease for a five (5)-year period  
Security deposit   $ 100,000  
Royalty description   (i) the total cumulative Royalty paid to Sellers from June 1, 2025 to May 31, 2031 exceeds $50 million, or (ii) the expiration of patent protection on the Products allows for generic competition with the Products in the United States (collectively, the “Minimum Royalty Term”), we are subject to a minimum annual Ameluz sales volume of 80,000 tubes. If such minimum annual volume is not met during the Minimum Royalty Term and the Company does not otherwise pay minimum annual royalties of 12% of the net revenues of 80,000 tubes of Ameluz, the Biofrontera Group shall be entitled to minimum annual royalties of 12% of the net revenues of 80,000 tubes of Ameluz plus annual interest of 4%.  
Second A&R Ameluz LSA [Member]      
Loss Contingencies [Line Items]      
Revenue from sales   $ 150,000,000  
Xepi License and Supply Agreement [Member] | First Milestone [Member]      
Loss Contingencies [Line Items]      
Contractual obligation   2,000,000  
Xepi License and Supply Agreement [Member] | Second Milestone [Member]      
Loss Contingencies [Line Items]      
Contractual obligation   4,000,000  
Maximum [Member] | Xepi License and Supply Agreement [Member] | First Milestone [Member]      
Loss Contingencies [Line Items]      
Revenue from sales   25,000,000  
Maximum [Member] | Xepi License and Supply Agreement [Member] | Second Milestone [Member]      
Loss Contingencies [Line Items]      
Revenue from sales   $ 50,000,000  
Licensing Agreement [Member]      
Loss Contingencies [Line Items]      
Licensing fee     $ 200,000
Licensing Agreement [Member] | Maximum [Member]      
Loss Contingencies [Line Items]      
Sales milestone payments     $ 1,000,000.0
Royalties percentage related to royalties     3.00%