XML 51 R36.htm IDEA: XBRL DOCUMENT
v3.8.0.1

2. SUMMARY OF ACCOUNTING POLICIES (Details - Fair Value Measurements) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
FAIR VALUE MEASUREMENTS |  |
Interest rate contracts |  | $ 818
First Lien Term Loans | $ 620,272 | 478,938
Second Lien Term Loans |  | 168,000
Total Fair Value [Member] |  |
FAIR VALUE MEASUREMENTS |  |
Interest rate contracts |  | 818
Interest rate contracts | (595) |
First Lien Term Loans | 628,801 | 483,129
Second Lien Term Loans |  | 167,580
Level 1 [Member] |  |
FAIR VALUE MEASUREMENTS |  |
Interest rate contracts |  | 0
Interest rate contracts | 0 |
First Lien Term Loans | 0 | 0
Second Lien Term Loans |  | 0
Level 2 [Member] |  |
FAIR VALUE MEASUREMENTS |  |
Interest rate contracts |  | 818
Interest rate contracts | (595) |
First Lien Term Loans | 628,801 | 483,129
Second Lien Term Loans |  | 167,580
Level 3 [Member] |  |
FAIR VALUE MEASUREMENTS |  |
Interest rate contracts |  | 0
Interest rate contracts | 0 |
First Lien Term Loans | $ 0 | 0
Second Lien Term Loans |  | $ 0

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References No definition available. + Details
Name: | rdnt_DebtInstrumentFairValue1
Namespace Prefix: | rdnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of accrued expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AccruedLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FairValueEstimateNotPracticableDisclosureItemsAxis=rdnt_TotalFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |