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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
Total
Corporate Joint Venture
Pelen LLC
Preferred Stock
Common Stock
Common Stock
Corporate Joint Venture
Additional Paid-in Capital
Additional Paid-in Capital
Corporate Joint Venture
Additional Paid-in Capital
Pelen LLC
Accumulated Deficit
Non-controlling Interest
Beginning balance (in shares) at Dec. 31, 2018 15,067,655       15,067,655            
Beginning balance at Dec. 31, 2018 $ 9,384,902     $ 0 $ 50,175   $ 241,419,897     $ (232,085,170)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Share reverse split adjustment $ 0       $ (67,650)   67,650        
Issuance of common stock (in shares) 12,168,834       8,282,124            
Issuance of common stock $ 4,478,463       $ 22,671   4,455,792        
Issuance of common stock for convertible preferred (in shares) 2,240,441       2,240,441            
Issuance of common stock for convertible preferred $ 1,274,000       $ 7,461   1,266,539        
Common stock issuance cost (645,751)           (645,751)        
Issuance of convertible preferred stock (in shares)       1,083              
Issuance of convertible preferred stock 1,083,000     $ 1     1,082,999        
Preferred stock issuance costs (in shares)       191              
Preferred stock issuance costs 432,000           432,000        
Preferred stock converted to common (in shares)       (1,274)              
Preferred stock converted to common $ (1,274,000)     $ (1)     (1,273,999)        
Payment for mineral rights (in shares) 746,269       746,269            
Payment for mineral rights $ 482,500       $ 2,485   480,015        
Investment in Mercury Clean Up LLC (in shares)         900,000            
Investment in Mercury Clean Up, LLC 751,050       $ 2,997   748,053        
Termination of share option with Tonogold (2,200,000)           (2,200,000)        
Noncontrolling interest, increase from sale of parent equity interest $ 13,532,263           13,261,957       270,306
Director restricted stock grants (in shares) 0                    
Net income (loss) $ (3,805,867)                 (3,805,102) (765)
Ending balance (in shares) at Dec. 31, 2019 27,236,489     0 27,236,489            
Ending balance at Dec. 31, 2019 $ 23,492,560     $ 0 $ 18,139   259,095,152     (235,890,272) 269,541
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Issuance of common stock for cash (in shares)         5,747,608            
Issuance of common stock for cash $ 4,197,622       $ 3,828   4,193,794        
Issuance of common stock (in shares) 7,744,277       173,611            
Issuance of common stock $ 125,000       $ 116   124,884        
Issuance of common stock for convertible preferred (in shares) 0                    
Common stock issuance cost $ (255,070)           (255,070)        
Payment for mineral rights (in shares) 343,058       343,058            
Payment for mineral rights $ 482,500       $ 228   482,272        
Investment in Mercury Clean Up LLC (in shares)           625,000          
Investment in Mercury Clean Up, LLC   $ 314,687 $ 585,000     $ 416   $ 314,271 $ 585,000    
Noncontrolling interest, increase from sale of parent equity interest 7,281,497           7,237,184       44,313
Initial value of contingent forward 1,232,952           1,232,952        
Director compensation (in shares)         315,000            
Director compensation 176,400       $ 210   176,190        
Employee share-based compensation 27,849           27,849        
Deconsolidation of Comstock Mining LLC (20,813,761)           (20,499,141)     (766) (313,854)
Director restricted stock grants (in shares)         540,000            
Net income (loss) $ 14,931,970                 14,931,970  
Ending balance (in shares) at Dec. 31, 2020 34,980,766     0 34,980,766            
Ending balance at Dec. 31, 2020 $ 31,779,206     $ 0 $ 22,937   $ 252,715,337     $ (220,959,068) $ 0