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v3.25.2

SEGMENT AND RELATED INFORMATION (Details Narrative) | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Segment Reporting [Abstract] |  |
Export sales of medical equipment percentage | 1.40% | 0.20%
Percentage of service and repair of medical equipment | 7.70% | 7.40%

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- References No definition available. + Details
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Namespace Prefix: | FONR_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | FONR_ForeignRevenuesOfServiceAndRepairOfMedicalEquipmentPercentage
Namespace Prefix: | FONR_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration