XML 60 R1.htm IDEA: XBRL DOCUMENT v3.19.3
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2019
Nov. 01, 2019
Document and Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2019  
Trading Symbol UUUU  
Entity Registrant Name ENERGY FUELS INC  
Entity Central Index Key 0001385849  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding (in shares)   99,338,926
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Title of 12(b) Security Common shares, no par value  
Entity Small Business false  
Entity Ex Transition Period false  
Entity Emerging Growth Company true