CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue	$ 32,708	$ 22,439
Cost of goods sold	5,924	2,983
Gross profit	26,784	19,456
Operating expenses:
Sales and marketing	27,313	25,605
Research and development	3,291	3,580
General and administrative	7,473	7,139
Total operating expenses	38,077	36,324
Loss from operations	(11,293)	(16,868)
Interest and other income (expense), net:
Interest income	932	73
Interest expense	(838)	(561)
Other income (expense), net	74	(54)
Net loss	(11,125)	(17,410)
Other comprehensive income (loss):
Changes in foreign currency translation	(22)	0
Unrealized gain (loss) on marketable securities	90	(248)
Comprehensive loss	$ (11,057)	$ (17,658)
Net loss per share, basic (in usd per share)	$ (0.32)	$ (0.52)
Net loss per share, diluted (in usd per share)	$ (0.32)	$ (0.52)
Weighted-average number of common shares used to compute basic net loss per share (in shares)	34,916,106	33,792,326
Weighted-average number of common shares used to compute diluted net loss per share (in shares)	34,916,106	33,792,326