Condensed Consolidated Statement of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Product revenue, net	$ 2,803	$ 0	$ 4,562	$ 0
Cost of goods sold	1,737	0	2,770	0
Gross profit	1,066	0	1,792	0
Operating expenses:
Research and development	3,951	6,076	7,601	10,174
Selling, general and administrative	18,095	8,862	37,894	14,633
Total operating expenses	22,046	14,938	45,495	24,807
Loss from operations	(20,980)	(14,938)	(43,703)	(24,807)
Other income (expense), net :
Interest income (expense), net	(3,450)	(534)	(7,877)	(1,051)
Other income (expense), net	(774)	(10)	(594)	(915)
Total other income (expense), net	(4,224)	(544)	(8,471)	(1,966)
Loss before income taxes	(25,204)	(15,482)	(52,174)	(26,773)
Provision (benefit) for income taxes	0	0	0	0
Net loss and comprehensive loss	(25,204)	(15,482)	(52,174)	(26,773)
Accretion on redeemable convertible preferred stock	0	0	0	129
Net loss attributable to common stockholders	$ (25,204)	$ (15,482)	$ (52,174)	$ (26,902)
Net loss per share attributable to common stockholders, basic	$ (1.09)	$ (1.10)	$ (2.25)	$ (3.60)
Net loss per share attributable to common stockholders, diluted	$ (1.09)	$ (1.10)	$ (2.25)	$ (3.60)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	23,178,302	14,119,672	23,161,133	7,475,242
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	23,178,302	14,119,672	23,161,133	7,475,242