v3.26.1
Document and Entity Information
Apr. 22, 2026
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0000034956
Document Type 8-K
Document Period End Date Apr. 22, 2026
Entity Registrant Name Tenax Therapeutics, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-34600
Entity Tax Identification Number 26-2593535
Entity Address, Address Line One 101 Glen Lennox Drive
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Chapel Hill
Entity Address, State or Province NC
Entity Address, Postal Zip Code 27517
City Area Code 919
Local Phone Number 855-2100
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.0001 par value per share
Trading Symbol TENX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false