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PREFERRED STOCK (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 12, 2016
Mar. 31, 2020
Jun. 30, 2021
Dec. 31, 2020
Class of Stock [Line Items]        
Preferred stock, par value     $ 0.01  
Temporary Equity, Shares Outstanding       50,000
Payments for Repurchase of Redeemable Preferred Stock       $ 2,000
Preferred Stock, Redemption Price Per Share       $ 3.68
Preferred Stock, Redemption Amount       $ 3,200
Preferred Stock, Liquidation Preference, Value       $ 3,600
Number of stock shares issued     1,300,000 2,000,000.0
Number of shares issued, value   $ (1)    
Common Stock [Member]        
Class of Stock [Line Items]        
Stock Redeemed or Called During Period, Shares       328,000
Number of stock shares issued   (327)    
Number of shares issued, value      
Series P Preferred Stock [Member]        
Class of Stock [Line Items]        
Preferred shares authorized     50,000  
Series A Convertible Preferred Stock [Member]        
Class of Stock [Line Items]        
Preferred stock, par value $ 0.01      
Liquidation preference per share $ 40      
Liquidation preference $ 2,000      
Preferred stock, dividend rate 12.25%      
Number of shares converted 1.33      
Preferred stock issued upon conversion 66,667      
Series A Convertible Preferred Stock [Member] | Mt. Emmons Mining Company [Member]        
Class of Stock [Line Items]        
Number of stock shares issued 50,000      
Number of shares issued, value $ 2,000      
Maximum [Member]        
Class of Stock [Line Items]        
Preferred shares authorized     100,000