Consolidated Balance Sheets - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 4,772,705	$ 6,591,960
Royalties receivable, net of reserves of $972,202 in 2020 and $1,135,598 in 2019	598,292	656,062
Prepaid expenses and other current assets	56,512	58,835
Total current assets	5,427,509	7,306,857
Fixed assets, net	121,772	141,720
Operating lease ROU assets	616,442	773,989
Deposits and other assets	33,567	33,567
Total assets	6,199,290	8,256,133
Current liabilities:
Current portion of operating lease liability	166,377	163,236
Accounts payable	33,410	169,750
Accrued expenses and other	26,279	46,709
Deferred revenue		7,734
Total current liabilities	226,066	387,429
Operating lease liability, net of current portion	646,219	812,596
Total liabilities	872,285	1,200,025
Shareholders' equity:
Common stock, par value $0.0001 per share; authorized 100,000,000 shares, issued and outstanding 31,575,786 in 2020 and 31,254,262 in 2019	3,158	3,125
Additional paid-in capital	123,164,623	122,552,895
Accumulated deficit	(117,840,776)	(115,499,912)
Total shareholders' equity	5,327,005	7,056,108
Total liabilities and shareholders' equity	$ 6,199,290	$ 8,256,133

Royalties receivable, net of reserves.

No definition available.

Name:	REFR_RoyaltiesReceivableNetCurrent
Namespace Prefix:	REFR_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).