NOTE 3 - ACCOUNTS RECEIVABLE, MEDICAL RECEIVABLE AND MANAGEMENT AND OTHER FEES RECEIVABLE (Details Narrative)	3 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Receivables [Abstract]
Net revenues derived from no-fault and personal injury protection claims	67.00%	67.00%
Net revenues from management and other fees charged to related PCs	11.00%	11.00%

Approximate per cent of the PC's net revenues derived from no-fault and personal injury protection claims.

No definition available.

Name:	FONR_NetRevenuesDerivedFromNofaultAndPersonalInjuryProtectionClaims
Namespace Prefix:	FONR_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration