CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenues	$ 0	$ 0	$ 0	$ 0
Operating expenses:
Research and development	326,000	300,000	629,000	773,000
General and administrative	1,049,000	618,000	2,951,000	1,140,000
Total operating expenses	1,375,000	918,000	3,580,000	1,913,000
Operating loss	(1,375,000)	(918,000)	(3,580,000)	(1,913,000)
Other income (expense), net:
Forgiveness of notes payable		408,000		408,000
Sublease income	32,000	0	61,000	0
Grant income	0	47,000	0	165,000
Other income (expense), net	(2,000)	81,000	(3,000)	84,000
Total other income, net	30,000	536,000	58,000	657,000
Net loss	(1,345,000)	(382,000)	(3,522,000)	(1,256,000)
Less: preferred stock dividends	(18,000)		(18,000)
Net loss attributable to common stockholders	$ (1,363,000)	$ (382,000)	$ (3,540,000)	$ (1,256,000)
Basic net loss per share (in dollars per share)	$ (0.12)	$ (0.04)	$ (0.32)	$ (0.13)
Diluted net loss per share (in dollars per share)	$ (0.12)	$ (0.04)	$ (0.32)	$ (0.13)
Weighted average common shares, basic	11,230,525	9,688,407	10,996,996	9,411,611
Weighted average common shares, diluted	11,230,525	9,688,407	10,996,996	9,411,611