XML 12 R33.htm IDEA: XBRL DOCUMENT v2.4.0.6

7. FAIR VALUE MEASUREMENTS (Details Narrative) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Fair Value Measurements Details Narrative
Line of credit	$ 34,500,000	$ 33,000,000

X

- Details

Name:	rdnt_FairValueMeasurementsDetailsNarrativeAbstract
Namespace Prefix:	rdnt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Fair value of lines of credit at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

+ Details

Name:	us-gaap_LinesOfCreditFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant