v3.23.2
Cover - shares
6 Months Ended
Jun. 30, 2023
Aug. 08, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2023  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2023  
Current Fiscal Year End Date --12-31  
Entity File Number 001-36357  
Entity Registrant Name LIPOCINE INC.  
Entity Central Index Key 0001535955  
Entity Tax Identification Number 99-0370688  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 675 Arapeen Drive  
Entity Address, Address Line Two Suite 202  
Entity Address, City or Town Salt Lake City  
Entity Address, State or Province UT  
Entity Address, Postal Zip Code 84108  
City Area Code 801  
Local Phone Number 994-7383  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol LPCN  
Security Exchange Name NASDAQ  
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   5,315,830