• Filing Date: 2021-03-31
  • Form Type: 10-K
  • Description: Annual report
v3.21.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 26, 2021
Jun. 30, 2020
Document And Entity Information      
Entity Registrant Name UNITED STATES ANTIMONY CORP    
Entity Central Index Key 0000101538    
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Is Entity a Well-known Seasoned Issuer? No    
Is Entity a Voluntary Filer? No    
Is Entity's Reporting Status Current? Yes    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business true    
Entity Shell Company false    
Entity Interactive Data Current Yes    
Entity Incorporation, State or Country Code MT    
Entity File Number 001-08675    
Entity Public Float     $ 31,287,606
Entity Common Stock, Shares Outstanding   102,800,100  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020