CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue	$ 39,969	$ 33,305	$ 77,836	$ 66,013
Cost of goods sold	8,393	6,318	16,395	12,242
Gross profit	31,576	26,987	61,441	53,771
Operating expenses:
Sales and marketing	28,970	27,492	58,357	54,805
Research and development	4,352	3,656	8,697	6,947
General and administrative	8,332	7,802	16,508	15,275
Total operating expenses	41,654	38,950	83,562	77,027
Loss from operations	(10,078)	(11,963)	(22,121)	(23,256)
Interest and other income (expense), net:
Interest income	2,015	1,582	4,128	2,515
Interest expense	(880)	(850)	(1,761)	(1,689)
Other income (expense)	4	25	(89)	99
Net loss	(8,939)	(11,206)	(19,843)	(22,331)
Other comprehensive income (loss):
Changes in foreign currency translation	(31)	3	(2)	(19)
Unrealized gain (loss) on marketable securities	(8)	(5)	(106)	85
Comprehensive loss	$ (8,978)	$ (11,208)	$ (19,951)	$ (22,265)
Net loss per share, basic (in usd per share)	$ (0.22)	$ (0.30)	$ (0.48)	$ (0.61)
Net loss per share, diluted (in usd per share)	$ (0.22)	$ (0.30)	$ (0.48)	$ (0.61)
Weighted-average number of common shares used to compute basic net loss per share (in shares)	41,317,627	37,864,185	41,126,009	36,399,309
Weighted-average number of common shares used to compute diluted net loss per share (in shares)	41,317,627	37,864,185	41,126,009	36,399,309