NOTE 14 - SUBSEQUENT EVENTS - (Details Narrative) (USD $) In Thousands, unless otherwise specified	May 01, 2015
Note 14 - Subsequent Events - Details Narrative
Repayment of portion of Class A Stockholders Capital Contribution (value)	$ 1,125
HMCA ownership size of Imperial Management Services (percent)	96.00%

Amount repaid to the Class A Stockholders capital contribution for Imperial Management Services.

No definition available.

Name:	FONR_RepaymentOfPortionOfClassStockholdersCapitalContributionValue
Namespace Prefix:	FONR_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant