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Net Income (Loss) Per Common Share (Tables)
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Schedule of Reconciliation of Numerator and Denominator used in Basic and Diluted Computation of New Loss Per Share The following is a reconciliation of the numerator and denominator used in the basic and diluted computation of net loss per share:
 
Year Ended
December 31,
 20202019
Numerator:  
Net income (loss) attributable to Comstock Mining Inc.$14,931,970 $(3,805,102)
Denominator:  
Basic weighted average shares outstanding30,526,895 19,455,505 
Incremental shares - stock options34,273 — 
Diluted weighted average shares outstanding30,561,168 19,455,505 
Net income (loss) per common share:  
Basic EPS$0.49 $(0.20)
Diluted EPS$0.49 $(0.20)