Document and Entity Information (USD $)	3 Months Ended
	Sep. 30, 2013	Oct. 31, 2013 Common Stock	Oct. 31, 2013 Class B Common Stock	Oct. 31, 2013 Class C Common Stock	Oct. 31, 2013 Preferred Stock Class A
Entity Registrant Name	Fonar Corporation
Entity Central Index Key	0000355019
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Amendment Flag	false
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
Entity Public Float		$ 63,657,451
Entity Common Stock, Shares Outstanding		6,010,075	146	382,513	313,438
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2013