v3.25.2
Document and Entity Information
Jul. 29, 2025
Cover [Abstract]  
Security Exchange Name NASDAQ
Amendment Flag false
Entity Central Index Key 0001420565
Document Type 8-K
Document Period End Date Jul. 29, 2025
Entity Registrant Name REIN THERAPEUTICS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-38130
Entity Tax Identification Number 13-4196017
Entity Address, Address Line One 12407 N. Mopac Expy.
Entity Address, Address Line Two Suite 250
Entity Address, Address Line Three #390
Entity Address, City or Town Austin
Entity Address, State or Province TX
Entity Address, Postal Zip Code 78758
City Area Code (737)
Local Phone Number 802-1989
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.001 par value
Trading Symbol RNTX
Entity Emerging Growth Company false