• Filing Date: 2017-03-31
  • Form Type: 10-K
  • Description: Annual report
v3.7.0.1
5. Inventories (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Inventories $ 855,637 $ 1,094,238  
Antimony Metal [Member]      
Inventories 112,300 102,207  
Antimony Oxide [Member]      
Inventories 326,126 332,068  
Antimony Concentrates      
Inventories 30,815   $ 133,954
Antimony Ore [Member]      
Inventories 181,815 319,631  
Antimony [Member]      
Inventories 651,056 887,860  
Zeolite (Member)      
Inventories $ 204,581 $ 206,378