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NOTE 1 - DESCRIPTION OF BUSINESS AND LIQUIDITY AND CAPITAL RESOURCES (Details Narrative) - H D M [Member] | Jul. 01, 2015
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[custom:ImperialContributionPercentage-0] | 24.20%
Noncontrolling Interest, Ownership Percentage by Parent | 45.80%
Investor [Member] |
Noncontrolling Interest, Ownership Percentage by Parent | 30.00%

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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: | instant

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_OwnershipAxis=FONR_HDMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_InvestorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |