Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Net product sales	$ 127,044	$ 107,672
Cost of product sales	65,105	54,874
Gross profit	61,939	52,798
Operating expenses:
Research and development	55,897	107,506
General and administrative	49,014	37,437
Sales and marketing	67,643	82,513
Total operating expenses	172,554	227,456
Loss from operations	(110,615)	(174,658)
Other income (expense), net:
Interest income	3,364	1,638
Interest expense	(3,868)	(2,474)
Other income (expense)	560	(6,530)
Total other income (expense), net	56	(7,366)
Net loss	(110,559)	(182,024)
Other comprehensive income (loss):
Unrealized gains (losses) on short-term investments	32	(13)
Comprehensive loss	$ (110,527)	$ (182,037)
Basic net loss per share	$ (0.8)	$ (1.67)
Shares used in computing basic net loss per share	138,135	108,876
Diluted net loss per share	$ (0.8)	$ (1.67)
Shares used in computing diluted net loss per share	138,135	108,876