Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Research and development	$ 28,922	$ 14,034	$ 49,650	$ 29,913
General and administrative	8,948	6,400	16,411	11,005
Total operating expenses	37,870	20,434	66,061	40,918
Loss from operations	(37,870)	(20,434)	(66,061)	(40,918)
Other income (expense):
Interest income	841	776	1,798	1,214
Investment advisory fees	(215)	(176)	(384)	(284)
Change in fair value of warrant liability	3,080	500	9,404	207
Realized (loss) gain on marketable securities	(694)	1	(908)	46
Total other (expense) income, net	3,012	1,101	9,910	1,183
Loss before income taxes	(34,858)	(19,333)	(56,151)	(39,735)
Provision for income taxes	0	0	0	0
Net loss	$ (34,858)	$ (19,333)	$ (56,151)	$ (39,735)
Net loss per share attributable to common stockholders, basic	$ (0.16)	$ (0.09)	$ (0.26)	$ (0.21)
Net loss per share attributable to common stockholders, diluted	$ (0.16)	$ (0.09)	$ (0.26)	$ (0.21)
Weighted Average Number of Shares Outstanding, Basic	216,603	204,017	215,016	186,933
Weighted Average Number of Shares Outstanding, Diluted	216,603	204,017	215,016	186,933
Comprehensive loss:
Net loss	$ (34,858)	$ (19,333)	$ (56,151)	$ (39,735)
Other comprehensive income, net of taxes:
Change in Unrealized loss on available-for-sale securities	(761)	(224)	(5,793)	(800)
Comprehensive loss	$ (35,619)	$ (19,557)	$ (61,944)	$ (40,535)