Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 2,466,373	$ 269,964
Marketable securities		2,755,111
Royalty receivables, net of reserves of $1,016,678 in 2022 and 2021	753,550	831,636
Prepaid expenses and other current assets	86,573	92,931
Total current assets	3,306,496	3,949,642
Fixed assets, net	86,379	92,954
Operating lease ROU assets	433,473	469,824
Deposits and other assets	33,567	33,567
Total assets	3,859,915	4,545,987
Current liabilities:
Current portion of operating lease liability	186,169	182,091
Accounts payable	16,023	66,460
Accrued expenses and other	74,777	49,385
Deferred revenue	10,756
Total current liabilities	287,725	297,936
Operating lease liability, net of current portion	416,615	464,128
Total liabilities	704,340	762,064
Shareholders’ equity:
Common stock, par value $0.0001 per share; authorized 100,000,000 shares, issued and outstanding 31,650,396 in 2022 and 2021	3,165	3,165
Additional paid-in capital	123,467,886	123,467,886
Accumulated deficit	(120,315,476)	(119,687,128)
Total shareholders’ equity	3,155,575	3,783,923
Total liabilities and shareholders’ equity	$ 3,859,915	$ 4,545,987