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Rights Plan (Details Narrative)	12 Months Ended
	Dec. 31, 2022 $ / shares
Rights Plan
Percentage of acquisition threshold	15.00%
Value of stock covered by each right	$ 80
Discount price of stock	$ 40
Acquiring asset percent	50.00%
Rights plan expire date	Feb. 11, 2033
Redemption price	$ 0.0001

X

- Definition

Acquiring assets percent.

+ References

No definition available.

+ Details

Name:	REFR_AcquiringAssetsPercent
Namespace Prefix:	REFR_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	REFR_DisclosureRightsPlanAbstract
Namespace Prefix:	REFR_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Discount price of stock.

+ References

No definition available.

+ Details

Name:	REFR_DiscountPriceOfStock
Namespace Prefix:	REFR_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage of acquisition threshold in rights agreement.

+ References

No definition available.

+ Details

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

X

- Definition

Rights plan expire date.

+ References

No definition available.

+ Details

Name:	REFR_RightsPlanExpireDate
Namespace Prefix:	REFR_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Rights redemption price per share.

+ References

No definition available.

+ Details

Name:	REFR_RightsRedemptionPricePerShare
Namespace Prefix:	REFR_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant