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License and Other Agreements (Details Narrative)	12 Months Ended
	Dec. 31, 2017
Minimum [Member]
Percentage of royalty revenue on net sales	5.00%
Maximum [Member]
Percentage of royalty revenue on net sales	15.00%

X

- Definition

Percentage of royalty revenue on net sales.

+ References

No definition available.

+ Details

Name:	REFR_PercentageOfRoyaltyRevenueOnNetSales
Namespace Prefix:	REFR_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: