v3.25.4
Cover
Jan. 06, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jan. 06, 2026
Entity File Number 001-34852
Entity Registrant Name RARE ELEMENT RESOURCES LTD.
Entity Central Index Key 0001419806
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code A1
Entity Address, Address Line One P.O. Box 80
Entity Address, City or Town Firestone
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80520
City Area Code 720
Local Phone Number 278-2460
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false