CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 19,525	$ 18,860
Costs and expenses
Cost of revenue	14,032	14,130
Research and development	12,771	16,573
Selling, general and administrative	11,602	14,097
Restructuring and other charges		3,885
Total costs and expenses	38,405	48,685
Loss from operations	(18,880)	(29,825)
Interest income	1,359	1,253
Interest expense	(9)	(47)
Other income (expense), net	4,569	(26)
Loss before income taxes	(12,961)	(28,645)
Provision for income taxes	7	14
Net loss	$ (12,968)	$ (28,659)
Net loss per share, basic	$ (0.26)	$ (0.61)
Net loss per share, diluted	$ (0.26)	$ (0.61)
Weighted-average shares outstanding, basic	50,678,586	46,740,270
Weighted-average shares outstanding, diluted	50,678,586	46,740,270