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2. SUMMARY OF ACCOUNTING POLICIES (Details Narrative 2)	Sep. 30, 2017 JointVentures
Number of unconsolidated joint ventures	14

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- Definition

Number of unconsolidated joint ventures

+ References

No definition available.

+ Details

Name:	rdnt_NumberOfUnconsolidatedJointVentures
Namespace Prefix:	rdnt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant