XML 44 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document and Entity Information
 9 Months Ended
Sep. 30, 2012
Oct. 31, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name VISTA GOLD CORP  
Entity Central Index Key 0000783324  
Current Fiscal Year End Date --10-31  
Entity Filer Category Accelerated Filer  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2012  
Entity Common Stock, Shares Outstanding   77,380,948
Trading Symbol vgz