XML 94 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2019
Feb. 14, 2020
Jun. 30, 2019
Document And Entity Information      
Document Type 10-K    
Document Period End Date Dec. 31, 2019    
Entity Registrant Name WESTWATER RESOURCES, INC.    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filer No    
Entity's Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   4,160,723  
Entity Public Float     $ 9,691,198
Entity Central Index Key 0000839470    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false