v3.26.1
Cover
Jul. 28, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 28, 2026
Entity File Number 0-53482
Entity Registrant Name TEXAS MINERAL RESOURCES CORP.
Entity Central Index Key 0001445942
Entity Tax Identification Number 87-0294969
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 527 21st Street #44
Entity Address, City or Town Galveston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77550
City Area Code 915
Local Phone Number 369-2133
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false