v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Aug. 01, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Entity File Number 000-54319  
Entity Registrant Name LIFELOC TECHNOLOGIES, INC.  
Entity Central Index Key 0001493137  
Entity Tax Identification Number 84-1053680  
Entity Incorporation, State or Country Code CO  
Entity Address, Address Line One 12441 West 49th Ave.  
Entity Address, Address Line Two Unit 4  
Entity Address, City or Town Wheat Ridge  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80033  
City Area Code 303  
Local Phone Number 431-9500  
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   2,752,616