CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses
Research and development	$ 17,906	$ 13,509	$ 36,593	$ 28,250
Selling, general and administrative	18,382	14,104	31,175	25,742
Total operating expenses	36,288	27,613	67,768	53,992
Loss from operations	(36,288)	(27,613)	(67,768)	(53,992)
Other income (expense)
Interest income	204	10	219	20
Interest expense	(1,586)	(16)	(1,593)	(23)
Net loss and comprehensive loss	$ (37,670)	$ (27,619)	$ (69,142)	$ (53,995)
Basic net loss per share attributable to common stockholders (in dollars per share)	$ (1.35)	$ (1.11)	$ (2.47)	$ (2.18)
Diluted net loss per share attributable to common stockholders (in dollars per share)	$ (1.35)	$ (1.11)	$ (2.47)	$ (2.18)
Weighted average shares outstanding - basic	27,989	24,962	27,985	24,744
Weighted average shares outstanding - diluted	27,989	24,962	27,985	24,744