Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenue:
Total revenue	$ 15,493	$ 6,617
Cost of revenue:
Total cost of revenue	8,400	3,205
Gross profit	7,093	3,412
Operating expenses:
Research and development	45,797	29,121
Selling, general and administrative	58,531	45,764
Total operating expenses	104,328	74,885
Loss from operations	(97,235)	(71,473)
Other income (expense):
Interest income	4,602	326
Interest expense	0	(22)
Other expense	(333)	0
Total other income	4,269	304
Net loss	(92,966)	(71,169)
Other comprehensive loss:
Unrealized loss on available-for-sale securities	(715)	(590)
Comprehensive loss	$ (93,681)	$ (71,759)
Net loss per share attributable to common shareholders, basic (in usd per share)	$ (1.49)	$ (1.17)
Net loss per share attributable to common shareholders, diluted (in usd per share)	$ (1.49)	$ (1.17)
Weighted-average common shares outstanding, basic (in shares)	62,433,613	60,863,950
Weighted average number of shares outstanding, diluted (in shares)	62,433,613	60,863,950
Product
Revenue:
Total revenue	$ 8,557	$ 3,577
Cost of revenue:
Total cost of revenue	5,459	2,300
Service
Revenue:
Total revenue	913	500
Cost of revenue:
Total cost of revenue	495	42
Related party
Revenue:
Total revenue	5,215	2,317
Cost of revenue:
Total cost of revenue	1,989	863
Grant and other
Revenue:
Total revenue	808	223
Cost of revenue:
Total cost of revenue	$ 457	$ 0