    <SEC-DOCUMENT>0000355019-21-000032-index.html : 20210928
    <SEC-HEADER>0000355019-21-000032.hdr.sgml : 20210928
    <ACCEPTANCE-DATETIME>20210928172048
    ACCESSION NUMBER:		0000355019-21-000032
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20210928
    ITEM INFORMATION:		Results of Operations and Financial Condition
    FILED AS OF DATE:		20210928
    DATE AS OF CHANGE:		20210928

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FONAR CORP
    		CENTRAL INDEX KEY:			0000355019
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
    		IRS NUMBER:				112464137
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-10248
    		FILM NUMBER:		211288310

    	BUSINESS ADDRESS:
    		STREET 1:		110 MARCUS DR
    		CITY:			MELVILLE
    		STATE:			NY
    		ZIP:			11747
    		BUSINESS PHONE:		6316942929

    	MAIL ADDRESS:
    		STREET 1:		110 MARCUS DRIVE
    		CITY:			MELVILLE
    		STATE:			NY
    		ZIP:			11747
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>fonar_8k.htm
    <DESCRIPTION>ITEM 2.02 - RESULTS OF OPERATIONS AND FINANCIAL CONDITIONS
    <TEXT>
    Document 1 - file: fonar_8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>2
    <FILENAME>fonar_exhibit-99.htm
    <DESCRIPTION>FONAR CORPORATION PRESS RELEASE
    <TEXT>
    Document 2 - file: fonar_exhibit-99.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>fonar-logo.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: fonar-logo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>nasdaq_bell.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: nasdaq_bell.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>5
    <FILENAME>fonr-20210927.xsd
    <DESCRIPTION>XBRL SCHEMA FILE
    <TEXT>
    Document 5 - file: fonr-20210927.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>fonr-20210927_lab.xml
    <DESCRIPTION>XBRL LABEL FILE
    <TEXT>
    Document 6 - file: fonr-20210927_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>7
    <FILENAME>fonr-20210927_pre.xml
    <DESCRIPTION>XBRL PRESENTATION FILE
    <TEXT>
    Document 7 - file: fonr-20210927_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>fonar_8k_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: fonar_8k_htm.html

    Document 8 - RAW XML: fonar_8k_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>10
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: FilingSummary.html

    Document 13 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>15
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>16
    <FILENAME>0000355019-21-000032-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: 0000355019-21-000032-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>