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Commitments (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating lease:      
Lease expiration date Mar. 31, 2025    
2015 $ 168,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2016 174,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2017 180,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2018 186,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2019 191,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter 1,102,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter    
Rent expense 173,000us-gaap_OperatingLeasesRentExpenseNet 187,000us-gaap_OperatingLeasesRentExpenseNet 200,000us-gaap_OperatingLeasesRentExpenseNet
Employment Agreement One [Member]      
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Commitment amount 450,000us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis
= refr_EmploymentAgreementOneMember
   
Employment Agreement Two [Member]      
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Commitment amount 402,000us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis
= refr_EmploymentAgreementTwoMember
   
Employment Agreement Three [Member]      
Purchase Commitment, Excluding Long-term Commitment [Line Items]      
Commitment amount $ 220,000us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis
= refr_EmploymentAgreementThreeMember