Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ 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, net of grant reimbursement	$ 8,041	$ 399	$ 14,471	$ 1,534
General and administrative	1,712	1,038	3,953	2,634
Gain on sale of property and equipment				(346)
Total operating expenses	9,753	1,437	18,424	3,822
Operating loss	(9,753)	(1,437)	(18,424)	(3,822)
Interest income	15	7	35	106
Other income, net	176		176
Net loss	$ (9,562)	$ (1,430)	$ (18,213)	$ (3,716)
Net loss per share, basic and diluted	$ (0.24)	$ (0.06)	$ (0.46)	$ (0.15)
Shares used in computing net loss per share, basic and diluted	39,957	24,972	39,218	24,745