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Consolidated Balance Sheets - USD ($)
Dec. 31, 2019
Dec. 31, 2018
CURRENT ASSETS    
Cash and cash equivalents $ 203,254 $ 2,786,832
Restricted cash 10,135 10,135
Accounts receivable and other, net 421,593 789,421
Other current assets 589,840 1,016,136
Total current assets 1,224,822 4,602,524
PROPERTY AND EQUIPMENT    
Equipment and office fixtures 10,664,948 11,033,536
Right to use – operating lease, net 739,803  
Accumulated depreciation (10,647,910) (10,915,557)
Total property and equipment 756,841 117,979
NON-CURRENT ASSETS    
Investment in unconsolidated entity 1,500,000 752,667
Exploration license 1,821,251  
Other non-current assets 26,806  
Total non-current assets 3,348,057 752,667
Total assets 5,329,720 5,473,170
CURRENT LIABILITIES    
Accounts payable 6,237,987 2,772,423
Accrued expenses 13,422,715 9,804,546
Operating lease obligation 123,152  
Loans payable 31,446,389 29,448,988
Total current liabilities 51,230,243 42,025,957
LONG-TERM LIABILITIES    
Amount receivable related to a loss contingency 2,957,097  
Operating lease obligation 621,046  
Deferred income and revenue participation rights 3,818,750 4,643,750
Total long-term liabilities 7,396,893 4,643,750
Total liabilities 58,627,136 46,669,707
Commitments and contingencies (NOTE H)
STOCKHOLDERS' EQUITY/(DEFICIT)    
Preferred stock - $.0001 par value; 24,984,166 shares authorized; none outstanding
Common stock – $.0001 par value; 75,000,000 shares authorized; 9,478,009 and 9,222,199 issued and outstanding 948 922
Additional paid-in capital 221,027,057 217,993,953
Accumulated (deficit) (250,322,307) (239,882,346)
Total stockholders' equity/(deficit) before non-controlling interest (29,294,302) (21,887,471)
Non-controlling interest (24,003,114) (19,309,066)
Total stockholders' equity/(deficit) (53,297,416) (41,196,537)
Total liabilities and stockholders' equity/(deficit) $ 5,329,720 $ 5,473,170