Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
Research and development	$ 3,466	$ 4,093	$ 11,819	$ 17,020
General and administrative	4,508	6,737	15,734	20,182
Total operating expenses	7,974	10,830	27,553	37,202
Loss from operations	(7,974)	(10,830)	(27,553)	(37,202)
Other income (expense), net:
Interest and investment income	283	53	568	178
Other income (expense), net	283	53	568	178
Net loss	$ (7,691)	$ (10,777)	$ (26,985)	$ (37,024)
Net loss per share attributable to common stockholders, basic and diluted (in Dollars per share)	$ (0.68)	$ (0.96)	$ (2.4)	$ (3.3)
Weighted-average shares outstanding, basic and diluted (in Shares)	11,265,475	11,235,507	11,256,995	11,231,513
Other comprehensive income (loss):
Net unrealized (loss) gain on marketable debt securities	$ (8)	$ 62	$ (919)	$ (39)
Other comprehensive income (loss)	(8)	62	(919)	(39)
Comprehensive Loss	$ (7,699)	$ (10,715)	$ (27,904)	$ (37,063)