CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 106,409	$ 90,152
Cost of goods sold	15,705	10,428
Gross profit	90,704	79,724
Operating expenses:
Sales and marketing	107,726	93,884
Research and development	13,627	12,441
General and administrative	28,960	25,069
Total operating expenses	150,313	131,394
Loss from operations	(59,609)	(51,670)
Interest and other income (expense), net:
Interest income	1,304	186
Interest expense	(2,819)	(5,365)
Other income (expense), net	(132)	277
Net loss	(61,256)	(56,572)
Other comprehensive income (loss):
Unrealized loss of marketable securities	(65)	(31)
Changes in foreign currency translation	(55)	(141)
Comprehensive loss	$ (61,376)	$ (56,744)
Net loss per share, basic (in USD per share)	$ (1.79)	$ (1.71)
Net loss per share, diluted (in USD per share)	$ (1.79)	$ (1.71)
Weighted-average number of common shares used to compute basic and diluted net loss per share, basic (in shares)	34,201,824	33,145,930
Weighted-average number of common shares used to compute basic and diluted net loss per share, diluted (in shares)	34,201,824	33,145,930