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v2.4.1.9

Summary of Significant Accounting Policies (Narrative) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash and Cash Equivalents |  |  |  |  |
Amounts on deposit in excess of federally insured limits |  |  | $ 6,800,000 us-gaap_CashUninsuredAmount | $ 5,600,000 us-gaap_CashUninsuredAmount |
Basic and Diluted Loss Per Common Share |  |  |  |  |
Number of options and warrants that were not included because their effect is antidilutive |  |  | 2,924,419 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 2,860,219 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 2,630,002 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Fair Value Measurements |  |  |  |  |
Cash and cash equivalents |  |  | 7,600,000 us-gaap_CashAndCashEquivalentsFairValueDisclosure | 5,900,000 us-gaap_CashAndCashEquivalentsFairValueDisclosure |
Short term investments |  |  | 1,500,000 us-gaap_HeldToMaturitySecuritiesFairValue | 5,100,000 us-gaap_HeldToMaturitySecuritiesFairValue |
Charge/(benefit) recorded for employee options and restricted stock | 616,000 us-gaap_AllocatedShareBasedCompensationExpense | 2,305,000 us-gaap_AllocatedShareBasedCompensationExpense | 1,010,489 us-gaap_AllocatedShareBasedCompensationExpense | 2,545,060 us-gaap_AllocatedShareBasedCompensationExpense | 873,888 us-gaap_AllocatedShareBasedCompensationExpense
Charge/(benefit) recorded for non-employees |  |  | $ 32,428 us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims | $ 369,844 us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims | $ 110,649 us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims
Licensee One [Member] | Sales [Member] |  |  |  |  |
Revenue Recognition/Fee Income: |  |  |  |  |
Percentage of fee income |  |  | 36.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeOneMember | 40.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeOneMember | 62.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeOneMember
Licensee Two [Member] | Sales [Member] |  |  |  |  |
Revenue Recognition/Fee Income: |  |  |  |  |
Percentage of fee income |  |  | 11.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeTwoMember | 12.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeTwoMember | 6.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeTwoMember
Licensee Three [Member] | Sales [Member] |  |  |  |  |
Revenue Recognition/Fee Income: |  |  |  |  |
Percentage of fee income |  |  | 9.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeThreeMember | 6.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeThreeMember | 5.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeThreeMember
Licensee Four [Member] | Sales [Member] |  |  |  |  |
Revenue Recognition/Fee Income: |  |  |  |  |
Percentage of fee income |  |  | 9.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeFourMember | 6.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeFourMember | 5.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeFourMember
Licensee Five [Member] | Sales [Member] |  |  |  |  |
Revenue Recognition/Fee Income: |  |  |  |  |
Percentage of fee income |  |  | 5.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeFiveMember | 5.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeFiveMember |
Licensee Six [Member] | Sales [Member] |  |  |  |  |
Revenue Recognition/Fee Income: |  |  |  |  |
Percentage of fee income |  |  |  | 5.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesMember / us-gaap_ProductOrServiceAxis = refr_LicenseeSixMember |

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