XML 12 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2021
Nov. 01, 2021
Registrant CIK 0001030192  
Fiscal Year End --12-31  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Entity File Number 000-28837  
Entity Registrant Name NEW JERSEY MINING CO  
Entity Incorporation, State or Country Code ID  
Entity Tax Identification Number 82-0490295  
Entity Address, Address Line One 201 N. Third Street  
Entity Address, City or Town Coeur d’Alene  
Entity Address, State or Province ID  
Entity Address, Postal Zip Code 83814  
City Area Code 208  
Local Phone Number 625-9001  
Title of 12(g) Security Common Stock, no par value  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   150,202,866
Amendment Flag false  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Document Transition Report false  
OTCQB    
Trading Symbol NJMC  
Security Exchange Name NONE