XML 8 R1.htm IDEA: XBRL DOCUMENT v3.25.3
Cover - shares
 9 Months Ended
Sep. 30, 2025
Nov. 11, 2025
Cover [Abstract]    
Entity Registrant Name TENAX THERAPEUTICS, INC.  
Entity Central Index Key 0000034956  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Sep. 30, 2025  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2025  
Entity Common Stock Shares Outstanding   6,243,575
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-34600  
Entity Incorporation State Country Code DE  
Entity Tax Identification Number 26-2593535  
Entity Address Address Line 1 101 Glen Lennox Drive  
Entity Address Address Line 2 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  
Security 12b Title Common Stock, $0.0001 par value per share  
Trading Symbol TENX  
Security Exchange Name NASDAQ  
Entity Interactive Data Current Yes