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Recently Adopted Accounting Pronouncement (Details Narrative) - USD ($)	Jun. 30, 2020	Dec. 31, 2019	Jan. 02, 2019
Operating lease liability	$ 894,510		$ 1,100,000
Operating lease right of use asset	$ 693,395	$ 773,989	900,000
Accounting Standards Update 2016-02 [Member]
Operating lease liability			1,134,000
Operating lease right of use asset			941,000
Operating lease liability, unamortized lease incentive prior to adoption			$ 193,000

X

- Definition

Operating lease liability, unamortized lease incentive prior to adoption.

+ References

No definition available.

+ Details

Name:	REFR_OperatingLeaseLiabilityUnamortizedLeaseIncentivePriorToAdoption
Namespace Prefix:	REFR_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

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

X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: