Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Research and development	$ 5,651,000	$ 4,229,000	$ 10,760,000	$ 7,821,000
General and administrative	3,123,000	2,556,000	6,175,000	4,091,000
Loss from operations	(8,774,000)	(6,785,000)	(16,935,000)	(11,912,000)
Interest expense	(464,000)	(276,000)	(797,000)	(507,000)
Interest and other (expense) income, net	70,000	3,000	73,000	6,000
Total other (expense) income, net	(394,000)	(273,000)	(724,000)	(501,000)
Provision for income taxes	0	0	0	0
Net loss	$ (9,168,000)	$ (7,058,000)	$ (17,659,000)	$ (12,413,000)
Net loss per share of common stock, basic (in dollars per share)	$ (0.79)	$ (7.63)	$ (1.88)	$ (17.30)
Net loss per share of common stock, diluted (in dollars per share)	$ (0.79)	$ (7.63)	$ (1.88)	$ (17.30)
Weighted-average shares of common stock outstanding, basic (in shares)	11,573,432	925,432	9,382,515	717,618
Weighted-average shares of common stock outstanding, diluted (in shares)	11,573,432	925,432	9,382,515	717,618