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Consolidated Balance Sheets - USD ($)
Jun. 30, 2021
Dec. 31, 2020
CURRENT ASSETS    
Cash and cash equivalents $ 4,786,353 $ 6,163,205
Accounts receivable and other, net 257,721 160,257
Other current assets 325,758 587,394
Total current assets 5,369,832 6,910,856
PROPERTY AND EQUIPMENT    
Equipment and office fixtures 7,293,393 7,295,717
Right to use – operating lease, net 535,832 607,039
Accumulated depreciation (7,276,262) (7,287,999)
Total property and equipment 552,963 614,757
NON-CURRENT ASSETS    
Investment in unconsolidated entity 2,809,450 2,370,794
Exploration license 1,821,251 1,821,251
Other non-current assets 41,806 41,806
Total non-current assets 4,672,507 4,233,851
Total assets 10,595,302 11,759,464
CURRENT LIABILITIES    
Accounts payable 2,743,428 1,463,668
Accrued expenses 27,268,982 21,174,005
Operating lease obligation 152,330 142,080
Loans payable 29,919,240 31,104,239
Total current liabilities 60,083,980 53,883,992
LONG-TERM LIABILITIES    
Loans payable 14,013,355 11,489,029
Operating lease obligation 400,531 478,966
Deferred income and revenue participation rights 0 3,818,750
Total long-term liabilities 14,413,886 15,786,745
Total liabilities 74,497,866 69,670,737
Commitments and contingencies (NOTE H)
STOCKHOLDERS' EQUITY/(DEFICIT)    
Preferred stock - $.0001 par value; 24,984,166 shares authorized; none outstanding 0 0
Common stock – $.0001 par value; 75,000,000 shares authorized; 13,023,330 and 12,591,084 issued and outstanding 1,302 1,259
Additional paid-in capital 240,393,183 237,505,357
Accumulated (deficit) (271,082,179) (265,134,462)
Total stockholders' equity/(deficit) before non-controlling interest (30,687,694) (27,627,846)
Non-controlling interest (33,214,870) (30,283,427)
Total stockholders' equity/(deficit) (63,902,564) (57,911,273)
Total liabilities and stockholders' equity/(deficit) $ 10,595,302 $ 11,759,464