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DESCRIPTION OF BUSINESS - Private Placement (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 09, 2019
USD ($)
Aug. 05, 2019
USD ($)
$ / shares
shares
Aug. 02, 2019
$ / shares
shares
Mar. 21, 2019
USD ($)
tranche
$ / shares
Oct. 17, 2018
USD ($)
$ / shares
Dec. 31, 2014
shares
Mar. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Dec. 31, 2015
shares
Mar. 12, 2020
$ / shares
May 02, 2019
USD ($)
Mar. 31, 2019
USD ($)
Private Placement                        
Convertible share value             $ 1,300,000 $ 1,300,000       $ 300,000
Stock price (in dollars per share) | $ / shares         $ 0.25              
Net proceeds         $ 1,900,000              
Convertible Notes                        
Private Placement                        
Convertible share value   $ 400,000                    
Convertible share par value (in dollars per share) | $ / shares   $ 0.001                    
Conversion of shares (in shares) | shares                 2,625,000      
Debt instrument interest rate (as a percent)           10.00%            
Convertible notes issued             $ 7,200,000          
Series B Preferred Stock                        
Private Placement                        
Stock price (in dollars per share) | $ / shares     $ 100.00                  
Number of common stock shares offered per convertible preferred share | shares     500                  
Dividends Payable Current And Noncurrent Percentage     5.00%                  
Annual dividend (as a percent)     5.00%                  
Series B Preferred Stock | Convertible Notes                        
Private Placement                        
Stock price (in dollars per share) | $ / shares   $ 100.00                    
Conversion of shares (in shares) | shares   500                    
Dividends Payable Current And Noncurrent Percentage   5.00%                    
Annual dividend (as a percent)   5.00%                    
Minimum                        
Private Placement                        
Stock price (in dollars per share) | $ / shares                   $ 0.06    
Maximum | Convertible Notes                        
Private Placement                        
Conversion of shares (in shares) | shares           8,535,000            
Private Placement                        
Private Placement                        
Convertible share value       $ 900,000                
Convertible share par value (in dollars per share) | $ / shares       $ 0.001                
Number of tranche investment | tranche       3                
Maximum value issuable per closing       $ 300,000                
Debt instrument interest rate (as a percent)             5.00%          
Convertible notes issued             $ 1,300,000          
Net proceeds $ 4,000,000                      
Private Placement | Series A Preferred Stock                        
Private Placement                        
Number of shares converted | shares             1 1        
Stock price (in dollars per share) | $ / shares             $ 100.00 $ 100.00        
Preferred share conversion (in dollars per share) | $ / shares             $ 0.27          
Conversion of shares (in shares) | shares             370.37 370.37        
Mt. Hope Project | Private Placement                        
Private Placement                        
Convertible share value                     $ 500,000