Cover Page - shares	6 Months Ended
	Jun. 30, 2020	Aug. 10, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	001-35200
Entity Registrant Name	COMSTOCK MINING INC.
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	65-0955118
Entity Address, Address Line One	117 American Flat Road
Entity Address, City or Town	Virginia City
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89440
City Area Code	775
Local Phone Number	847-5272
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Smaller Reporting Company	true
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		32,333,863
Amendment Flag	false
Entity Central Index Key	0001120970
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2