Name:	radh_FairValueInputsLongTermPretaxOperatingMarginPercentageScenarioOne
Namespace Prefix:	radh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Long-term pre-tax operating income as a percentage of net sales, used as an input to measure fair value under scenario two.

No definition available.

Name:	radh_FairValueInputsLongTermPretaxOperatingMarginPercentageScenarioTwo
Namespace Prefix:	radh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the number of years used in calculating the average long-term pre-tax operating income as a percentage of net sales which is used as an input to measure fair value under scenario one.

No definition available.

Name:	radh_FairValueInputsLongTermPreTaxOperatingMarginPercentageYearsScenarioOne
Namespace Prefix:	radh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the number of years used in calculating the average long-term pre-tax operating income as a percentage of net sales which is used as an input to measure fair value under scenario two.

No definition available.

Name:	radh_FairValueInputsLongTermPreTaxOperatingMarginPercentageYearsScenarioTwo
Namespace Prefix:	radh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Percentage of assumed long-term growth in revenues, used as an input to measure fair value under scenario one.

No definition available.

Name:	radh_FairValueInputsLongTermRevenueGrowthRateScenarioOne
Namespace Prefix:	radh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of assumed long-term growth in revenues, used as an input to measure fair value under scenario two.

No definition available.

Name:	radh_FairValueInputsLongTermRevenueGrowthRateScenarioTwo
Namespace Prefix:	radh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the number of years used in calculating the average percentage of assumed long-term growth in revenues which is used as an input to measure fair value under scenario one.

No definition available.

Name:	radh_FairValueInputsLongTermRevenueGrowthRateYearsScenarioOne
Namespace Prefix:	radh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the number of years used in calculating the average percentage of assumed long-term growth in revenues which is used as an input to measure fair value under scenario two.

No definition available.

Name:	radh_FairValueInputsLongTermRevenueGrowthRateYearsScenarioTwo
Namespace Prefix:	radh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Probability of BA058 coming to market, used as an input to measure fair value.

No definition available.

Name:	radh_FairValueInputsProbabilityOfBA058ComingToMarket
Namespace Prefix:	radh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Time until future exit event, used as an input to measure fair value.

No definition available.

Name:	radh_FairValueInputsTimeUntilFutureExitEvent
Namespace Prefix:	radh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the fair value of stock dividend asset.

No definition available.

Name:	radh_StockDividendAssetFairValue
Namespace Prefix:	radh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the fair value of the accrued stock dividend to issue shares of the entity's stock as of the balance sheet date.

No definition available.

Name:	radh_StockLiabilityFairValueDisclosure
Namespace Prefix:	radh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Adjustment to the discount rate used to measure fair value for lack of ability to convert business interests into cash quickly.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Name:	us-gaap_FairValueInputsDiscountForLackOfMarketability
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

Name:	us-gaap_FairValueInputsDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FairValueInputsLiabilitiesQuantitativeInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Market valuation of entity divided by revenue, used as an input to measure fair value.

Name:	us-gaap_FairValueInputsRevenueMultiple
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

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. This element represents the fair value of liabilities categorized as other which are not in and of themselves material enough to require separate disclosure.

No definition available.

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

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 00-27

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.