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Investments (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Certificates of Deposit [Member]
Schedule of Held-to-maturity Securities [Line Items]
Value of Held to Maturity Investments (based on cost)	$ 3,007,461us-gaap_HeldToMaturitySecuritiesCurrent / invest_InvestmentAxis = us-gaap_CertificatesOfDepositMember	$ 3,005,079us-gaap_HeldToMaturitySecuritiesCurrent / invest_InvestmentAxis = us-gaap_CertificatesOfDepositMember
Certificate Of Deposits Three [Member]
Schedule of Held-to-maturity Securities [Line Items]
Certificates of Deposit Investment	1,501,554us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue / invest_InvestmentAxis = refr_CertificateOfDepositsThreeMember
Maturity Date	Aug. 27, 2015
Value of Held to Maturity Investments (based on cost)	1,502,282us-gaap_HeldToMaturitySecuritiesCurrent / invest_InvestmentAxis = refr_CertificateOfDepositsThreeMember	1,501,554us-gaap_HeldToMaturitySecuritiesCurrent / invest_InvestmentAxis = refr_CertificateOfDepositsThreeMember
Certificate Of Deposits Four [Member]
Schedule of Held-to-maturity Securities [Line Items]
Certificates of Deposit Investment	1,503,525us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue / invest_InvestmentAxis = refr_CertificateOfDepositsFourMember
Maturity Date	Aug. 27, 2016
Value of Held to Maturity Investments (based on cost)	$ 1,505,179us-gaap_HeldToMaturitySecuritiesCurrent / invest_InvestmentAxis = refr_CertificateOfDepositsFourMember	$ 1,503,525us-gaap_HeldToMaturitySecuritiesCurrent / invest_InvestmentAxis = refr_CertificateOfDepositsFourMember

X

- Definition

The maturity date of the investment.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 12

-Sentence Column A

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- Definition

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (c)

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- Definition

Nominal or face amount on the investment owned.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Underlying

-URI http://asc.fasb.org/extlink&oid=6527499



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 10

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6431724&loc=d3e32938-113948



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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

-Section 10

-Paragraph 1

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