XML 29 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document and Entity Information - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Mar. 01, 2018
Jun. 30, 2017
Document And Entity Information      
Entity Registrant Name WESTWATER RESOURCES, INC.    
Entity Central Index Key 0000839470    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filer No    
Entity's Current Reporting Status Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 36,767,717
Entity Common Stock, Shares Outstanding   27,929,194  
Trading Symbol WWR    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2017