Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 606,373	$ 1,374,992
Prepaid expenses and other current assets	429,643	628,745
Total current assets	1,036,016	2,003,737
Equipment and furnishings, net	15,587	18,546
Other assets	7,703	7,703
Operating lease right-of-use assets	171,132	216,786
Total assets	1,230,438	2,246,772
Current liabilities:
Accounts payable	1,126,291	975,944
Accrued expenses and other current liabilities	1,039,656	1,015,501
Current portion of operating lease liabilities	182,078	196,081
Total current liabilities	2,348,025	2,187,526
Operating lease liabilities, net of current portion		33,526
Preferred Stock, Series C 10% Convertible, $1,000 par value, 1,410 and 2,752 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	688,530	1,343,684
Preferred Stock, $0.01 par value, 833,333 shares authorized, including 50,000 shares of Series B Junior Participating Preferred Stock; no shares issued and outstanding
Common stock, $0.001 par value, 62,393,940 shares authorized; 46,587,391 and 45,037,391 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	46,587	45,037
Additional paid-in capital	488,128,268	487,474,664
Accumulated deficit	(489,980,972)	(488,837,665)
Total stockholders’ deficit	(1,806,117)	(1,317,964)
Total liabilities and stockholders’ deficit	$ 1,230,438	$ 2,246,772