Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating expenses:
Research and development	$ (9,332)	$ (2,671)
Selling, general and administrative	(7,399)	(691)
Loss from operations	(16,731)	(3,362)
Other income (expense)
Interest expense	0	(1,565)
Interest income	169	0
Change in fair value of convertible notes payable derivative liabilities	0	(635)
Total other income (expense)	169	(2,200)
Net loss	$ (16,562)	$ (5,562)
Weighted average shares outstanding, basic	170,249,708	86,762,463
Weighted average shares outstanding, diluted	170,249,708	86,762,463
Net loss per share, basic (usd per share)	$ (0.10)	$ (0.06)
Net loss per share, diluted (usd per share)	$ (0.10)	$ (0.06)