XML 67 R57.htm IDEA: XBRL DOCUMENT v3.21.1
Preferred Stock (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Feb. 12, 2016
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Preferred stock, par value   $ 0.01    
Series A convertible preferred stock, shares outstanding       50,000
Redemption of series a 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
Number of shares issued, value     $ (1)  
Common Stock [Member]        
Issuance of shares for redemption of series a preferred stock       328,000
Number of stock shares issued     (327)  
Number of shares issued, value      
Number of common stock issued upon conversion   97,962    
Series P Preferred Stock [Member]        
Preferred shares authorized   50,000    
Series A Convertible Preferred Stock [Member]        
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      
Number of common stock issued upon conversion     79,334  
Series A Convertible Preferred Stock [Member] | Mt. Emmons Mining Company [Member]        
Number of stock shares issued 50,000      
Number of shares issued, value $ 2,000      
Maximum [Member]        
Preferred shares authorized   100,000