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NOTES RECEIVABLE (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 30, 2019
tranche
Mar. 25, 2019
USD ($)
shares
Jan. 31, 2019
USD ($)
installment
shares
Jan. 31, 2018
USD ($)
installment
shares
Jan. 31, 2017
shares
Mar. 31, 2018
installment
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Accrued interest receivable               $ 45,000  
Number of installments | installment     2 2   2      
Number of installment payments     $ 1,500,000 $ 1,500,000          
Number of tranches | tranche 3                
Proceeds from issuance of common stock             $ 6,652,000 8,716,000  
Loss on sale of marketable securities             $ 720,000 $ 484,000  
Laramide Resources Ltd                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Promissory debt                 $ 5,000,000
Promissory debt                 $ 5,000,000
Debt instrument, term                 3 years
Debt interest rate                 5.00%
Cash receipts discounted at market rate             9.50%    
Number of issuance of common shares | shares     2,483,034 1,982,483 2,218,133        
Laramide Resources Ltd. | First Note Installment                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Debt principal amount due       $ 1,500,000          
Principal payment in cash       $ 750,000          
Number of issuance of common shares | shares       1,982,483          
Laramide Resources Ltd. | Second Note Installment                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Debt principal amount due     $ 1,500,000            
Principal payment in cash     $ 750,000            
Number of issuance of common shares | shares     2,483,034            
Debt interest payments             $ 96,022    
Laramide Resources Ltd. | Share-based Compensation Award, Tranche Two | Warrants                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of issuance of common shares | shares   2,218,133              
Laramide Resources Ltd. | Share Based Compensation Award Tranche Third                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Proceeds from issuance of common stock   $ 500,000              
Loss on sale of marketable securities   $ 700,000              
Laramide Resources Ltd. | Share Based Compensation Award Tranche Third | Common Stock                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of issuance of common shares | shares   2,483,034              
Laramide Resources Ltd. | January 5, 2020                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Debt principal amount due             $ 2,000,000