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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
REVENUES    
Revenue - mining $ 0 $ 0
Revenue - real estate 22,850 19,294
Total revenues 22,850 19,294
COSTS AND EXPENSES    
Costs applicable to mining revenue 728,904 902,404
Real estate operating costs 7,091 17,133
Exploration and mine development 209,538 270,967
Mine claims and costs 180,231 264,535
Environmental and reclamation 58,068 348,051
General and administrative 726,620 660,863
Total costs and expenses 1,910,452 2,463,953
LOSS FROM OPERATIONS (1,887,602) (2,444,659)
OTHER INCOME (EXPENSE)    
Interest expense (383,340) (456,082)
Other income (expense) (213,961) 126,561
Total other expense, net (597,301) (329,521)
LOSS BEFORE INCOME TAXES (2,484,903) (2,774,180)
INCOME TAXES 0 0
NET LOSS $ (2,484,903) $ (2,774,180)
Net loss per common share – basic (in dollars per share) $ (0.05) $ (0.07)
Net loss per common share – diluted (in dollars per share) $ (0.05) $ (0.07)
Weighted average common shares outstanding, basic (in shares) 49,863,424 37,368,291
Weighted average common shares outstanding — diluted (in shares) 49,863,424 37,368,291