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Revenue Recognition (Details Narrative)	9 Months Ended
	Sep. 30, 2025 USD ($)
Unbilled receivables current	$ 37,736
Minimum [Member] | Revenue Benchmark [Member] | License Agreement [Member]
Royalty rate on selling price	10.00%
Maximum [Member] | Revenue Benchmark [Member] | License Agreement [Member]
Royalty rate on selling price	15.00%

X

- Definition

Royalty rate on selling price.

+ References

No definition available.

+ Details

Name:	REFR_RoyaltyRateOnSellingPrice
Namespace Prefix:	REFR_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

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

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=REFR_LicenseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: