v3.25.2
Cover - USD ($)
 12 Months Ended
Jun. 30, 2025
Sep. 23, 2025
Dec. 31, 2024
Cover [Abstract]      
Entity Registrant Name LIGHTPATH TECHNOLOGIES, INC.    
Entity Central Index Key 0000889971    
Document Type 10-K    
Amendment Flag false    
Entity Voluntary Filers No    
Current Fiscal Year End Date --06-30    
Entity Well Known Seasoned Issuer No    
Entity Small Business true    
Entity Shell Company false    
Entity Emerging Growth Company false    
Entity Current Reporting Status Yes    
Document Period End Date Jun. 30, 2025    
Entity Filer Category Non-accelerated Filer    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Entity Common Stock Shares Outstanding   44,670,213  
Entity Public Float     $ 137,428,323
Document Annual Report true    
Document Transition Report false    
Document Fin Stmt Error Correction Flag false    
Entity File Number 000-27548    
Entity Incorporation State Country Code DE    
Entity Tax Identification Number 86-0708398    
Entity Address Address Line 1 2603 Challenger Tech Court    
Entity Address Address Line 2 Suite 100    
Entity Address City Or Town Orlando    
Entity Address State Or Province FL    
Entity Address Postal Zip Code 32826    
City Area Code 407    
Icfr Auditor Attestation Flag false    
Auditor Name BDO USA, P.C.    
Auditor Location Troy, MI    
Local Phone Number 382-4003    
Security 12b Title Class A Common Stock, par value $0.01    
Trading Symbol LPTH    
Security Exchange Name NASDAQ    
Entity Interactive Data Current Yes    
Auditor Firm Id 243