Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating expenses:
Research and development	$ (18,150)	$ (2,909)	$ (40,871)	$ (8,134)
Selling, general and administrative	(8,660)	(2,140)	(26,111)	(3,705)
Loss from operations	(26,810)	(5,049)	(66,982)	(11,839)
Other income (expense):
Interest expense	0	(2,230)	0	(5,458)
Interest income	195	0	561	0
Change in fair value of convertible notes payable derivative liabilities	0	(1,813)	0	(1,358)
Other expense	0	(12)	0	(12)
Total other income (expense)	195	(4,055)	561	(6,828)
Net loss	$ (26,615)	$ (9,104)	$ (66,421)	$ (18,667)
Weighted average shares outstanding, basic	172,987,672	87,398,704	171,842,664	86,981,200
Weighted average shares outstanding, diluted	172,987,672	87,398,704	171,842,664	86,981,200
Net loss per share, basic (usd per share)	$ (0.15)	$ (0.10)	$ (0.39)	$ (0.21)
Net loss per share, diluted (usd per share)	$ (0.15)	$ (0.10)	$ (0.39)	$ (0.21)