Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 1,152,433	$ 4,230,916
Marketable securities	2,988,060
Royalties receivable, net of reserves of $1,153,450 in 2023 and $1,158,450 in 2022, respectively	683,863	589,599
Prepaid expenses and other current assets	93,188	100,973
Total current assets	4,917,544	4,921,488
Fixed assets, net	59,274	65,388
Operating lease ROU assets	286,551	323,509
Deposits and other assets	56,066	56,066
Total assets	5,319,435	5,366,451
Current liabilities:
Current portion of operating lease liability	199,672	196,405
Accounts payable	25,440	71,079
Accrued expenses and other	46,730	34,379
Deferred revenue	11,921
Total current liabilities	283,763	301,863
Operating lease liability, net of current portion	216,943	267,723
Total liabilities	500,706	569,586
Shareholders’ equity:
Common stock, par value $0.0001 per share; authorized 100,000,000 shares, issued and outstanding 33,509,287 as of Match 31, 2023 and 33,150,396 as of December 31, 2022	3,351	3,315
Additional paid-in capital	127,634,493	127,150,027
Accumulated deficit	(122,819,115)	(122,356,477)
Total shareholders’ equity	4,818,729	4,796,865
Total liabilities and shareholders’ equity	$ 5,319,435	$ 5,366,451

Royalties receivable net current.

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).