Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Research and development	$ 5,109,000	$ 3,592,000
General and administrative	3,052,000	1,535,000
Loss from operations	(8,161,000)	(5,127,000)
Interest expense	(333,000)	(231,000)
Interest and other (expense) income, net	3,000	3,000
Total other (expense) income, net	(330,000)	(228,000)
Provision for income taxes	0	0
Net loss	$ (8,491,000)	$ (5,355,000)
Net loss per share of common stock, basic (in dollars per share)	$ (1.18)	$ (10.55)
Net loss per share of common stock, diluted (in dollars per share)	$ (1.18)	$ (10.55)
Weighted-average shares of common stock outstanding, basic (in shares)	7,167,255	507,450
Weighted-average shares of common stock outstanding, diluted (in shares)	7,167,255	507,450