XML 45 R35.htm IDEA: XBRL DOCUMENT
v3.22.0.1

License and Other Agreements (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2021
Minimum [Member] |
Royalty earned percentage | 5.00%
Maximum [Member] |
Royalty earned percentage | 15.00%

X
- Definition Royalty earned percentage. + References No definition available. + Details
Name: | REFR_RoyaltyEarnedPercentage
Namespace Prefix: | REFR_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
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: |