Document and Entity Information	3 Months Ended
Sep. 30, 2011
Document And Entity Information
Entity Registrant Name	LightPath Technologies Inc
Entity Central Index Key	0000889971
Document Type	S-1
Document Period End Date	Sep. 30, 2011
Amendment Flag	true
Amendment Description	The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act or until the registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.
Current Fiscal Year End Date	--06-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2011

Description of changes contained within amended document.

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