Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 269,964	$ 4,772,705
Marketable securities	2,755,111
Royalties receivable, net of reserves of $1,016,678 in 2021 and $972,202 in 2020	831,636	598,292
Prepaid expenses and other current assets	92,931	56,512
Total current assets	3,949,642	5,427,509
Fixed assets, net	92,954	121,772
Operating lease ROU assets	469,824	616,442
Deposits and other assets	33,567	33,567
Total assets	4,545,987	6,199,290
Current liabilities:
Current portion of operating lease liability	182,091	166,377
Accounts payable	66,460	33,410
Accrued expenses and other	49,385	26,279
Total current liabilities	297,936	226,066
Operating lease liability, net of current portion	464,128	646,219
Total liabilities	762,064	872,285
Shareholders’ equity:
Common stock, par value $0.0001 per share; authorized 100,000,000 shares, issued and outstanding 31,650,396 in 2021 and 31,575,786 in 2020	3,165	3,158
Additional paid-in capital	123,467,886	123,164,623
Accumulated deficit	(119,687,128)	(117,840,776)
Total shareholders’ equity	3,783,923	5,327,005
Total liabilities and shareholders’ equity	$ 4,545,987	$ 6,199,290

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).