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Intangible Assets, Net (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2013
Intangible assets
Gross carrying amount	$ 6,449,628us-gaap_IntangibleAssetsGrossExcludingGoodwill	$ 7,779,000us-gaap_IntangibleAssetsGrossExcludingGoodwill
Accumulative Amortization		(87,318)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Intangible assets, net	6,449,628us-gaap_IntangibleAssetsNetExcludingGoodwill	7,691,682us-gaap_IntangibleAssetsNetExcludingGoodwill
Amortization of definite lived intangible assets	554,338us-gaap_AmortizationOfIntangibleAssets
Impairment of intangible assets, excluding goodwill	6,670,345us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill	1,935,621us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Impairment of finite lived intangibles	3,635,345us-gaap_ImpairmentOfIntangibleAssetsFinitelived
Canterbury
Intangible assets
Intangible assets, net			144,356us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_BusinessAcquisitionAxis = resx_CanterburyMember
In-process research and development costs (IPR&D)
Intangible assets
Indefinite-lived intangible assets	6,449,628us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_InProcessResearchAndDevelopmentMember
Impairment of IPR&D	3,035,000us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_InProcessResearchAndDevelopmentMember
Cosmeceutical | Canterbury
Intangible assets
Fair value of intangibles	$ 0us-gaap_FiniteLivedIntangibleAssetsFairValueDisclosure / us-gaap_BusinessAcquisitionAxis = resx_CanterburyMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = resx_CosmeceuticalMember

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

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-Publisher FASB

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

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-Publisher FASB

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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