Statements of Operations and Comprehensive Loss (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Research and development expenses, related party	$ 77	$ 849	$ 1,800	$ 2,695
General and administrative expenses, related party	$ 0	$ 0	$ 0	$ 16