CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue	$ 2,107	$ 1,148
Cost of revenue	3,499	2,529
Gross loss	(1,392)	(1,381)
Research and development expenses	25,012	25,454
General and administrative expenses	8,411	7,833
Selling and marketing expenses	2,529	2,598
Total operating expenses	35,952	35,885
Operating loss	(37,344)	(37,266)
Interest income	2,458	2,064
Other income (expense), net	(439)	28
Loss before income taxes	(35,326)	(35,174)
Income tax provision	0	0
Net loss	(35,326)	(35,174)
Unrealized gain (loss) on available-for-sale securities	(161)	1,212
Total comprehensive loss	$ (35,487)	$ (33,962)
Net loss per share, Basic	$ (0.67)	$ (0.8)
Net loss per share, Diluted	$ (0.67)	$ (0.8)
Weighted average shares of common stock outstanding - Basic	52,742,725	43,925,565
Weighted-average shares used in computing net loss per share - diluted	52,742,725	43,925,565