XML 80 R43.htm IDEA: XBRL DOCUMENT v3.3.1.900
5. Inventories (Details) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Inventories $ 1,094,238 $ 1,433,539  
Antimony Metal [Member]      
Inventories 102,207 40,352  
Antimony Oxide [Member]      
Inventories 332,068 718,982  
Antimony Concentrates      
Inventories 133,954   $ 33,545
Antimony Ore [Member]      
Inventories 319,631 447,262  
Antimony [Member]      
Inventories 887,860 1,240,141  
Zeloite (Member)      
Inventories $ 206,378 $ 193,398