ACCOUNTS RECEIVABLE, MEDICAL RECEIVABLE AND MANAGEMENT AND OTHER FEES RECEIVABLE (Details Narrative)	3 Months Ended
Sep. 30, 2022	Sep. 30, 2021
Receivables [Abstract]
Percentage of net revenue derived from no-fault and personal injury protection claim	69.00%	66.70%
Percentage of consolidated net revenue from management fees charged to related party medical practices	12.90%	11.80%

Percentage of PCs net revenue derived from nofault and personal injury protection claims.

No definition available.

Name:	FONR_PercentageOfPcsNetRevenueDerivedFromNofaultAndPersonalInjuryProtectionClaims
Namespace Prefix:	FONR_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration