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1. Basis of Presentation (Details Narrative) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Accounting Policies [Abstract]    
Interest expense $ 12,766us-gaap_InterestExpense $ 11,689us-gaap_InterestExpense
Capitalized cost of construction $ 12,340us-gaap_InterestCostsIncurredCapitalized $ 11,575us-gaap_InterestCostsIncurredCapitalized
Effective tax rate 0.00%UAMY_EffectiveTaxRate 0.00%UAMY_EffectiveTaxRate