CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue	$ 40,340	$ 34,014	$ 118,176	$ 100,027
Cost of goods sold	8,437	7,041	24,832	19,283
Gross profit	31,903	26,973	93,344	80,744
Operating expenses:
Sales and marketing	27,448	26,512	85,805	81,317
Research and development	3,993	3,919	12,690	10,866
General and administrative	8,095	7,711	24,603	22,986
Total operating expenses	39,536	38,142	123,098	115,169
Loss from operations	(7,633)	(11,169)	(29,754)	(34,425)
Interest and other income (expense), net:
Interest income	1,936	2,174	6,064	4,689
Interest expense	(884)	(884)	(2,647)	(2,573)
Other income (expense)	6	(143)	(81)	(44)
Net loss	(6,575)	(10,022)	(26,418)	(32,353)
Other comprehensive income (loss):
Changes in foreign currency translation	139	53	137	34
Unrealized gain on marketable securities	216	5	110	90
Comprehensive loss	$ (6,220)	$ (9,964)	$ (26,171)	$ (32,229)
Net loss per share, basic (in dollars per share)	$ (0.16)	$ (0.25)	$ (0.64)	$ (0.86)
Net loss per share, diluted (in dollars per share)	$ (0.16)	$ (0.25)	$ (0.64)	$ (0.86)
Weighted-average number of common shares used to compute basic net loss per share (in shares)	41,717,505	40,265,520	41,324,614	37,702,207
Weighted-average number of common shares used to compute diluted net loss per share (in shares)	41,717,505	40,265,520	41,324,614	37,702,207