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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2024
Mar. 20, 2025
Jun. 28, 2024
Document And Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Securities Act File Number 001-33404    
Entity Registrant Name WESTWATER RESOURCES, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 75-2212772    
Entity Address, Address Line One 6950 S. Potomac Street, Suite 300    
Entity Address, City or Town Centennial    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80112    
City Area Code 303    
Local Phone Number 531-0516    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol WWR    
Security Exchange Name NYSEAMER    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 27,272,563
Entity Common Stock, Shares Outstanding   71,339,508  
Documents incorporated by reference specified portions of Westwater Resources, Inc.’s Definitive Proxy Statement on Schedule 14A relating to its 2025 Annual Meeting of, Stockholders are incorporated by reference into Part III where indicated.  Westwater Resource, Inc.’s Definitive Proxy Statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end of the fiscal year to which this report relates.    
Auditor Name Moss Adams LLP    
Auditor Location Denver, Colorado    
Auditor Firm ID 659    
Entity Central Index Key 0000839470    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false