v3.26.1
Document And Entity Information
May 05, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 05, 2026
Entity Registrant Name FibroBiologics, Inc.
Entity Central Index Key 0001958777
Entity Emerging Growth Company true
Entity File Number 001-41934
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 86-3329066
Entity Address, Address Line One 9350 Kirby Drive, Suite 300
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77054
City Area Code 281
Local Phone Number 671-5150
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Ex Transition Period false
Title of 12(b) Security Common Stock, $0.00001 par value
Trading Symbol FBLG
Security Exchange Name NASDAQ