Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Sales	$ 35,314	$ 22,199	$ 99,713	$ 60,497
Cost of sales	10,094	8,468	29,558	24,386
Gross profit	25,220	13,731	70,155	36,111
Operating expenses:
Selling, general and administrative	25,608	19,142	73,225	53,634
Research and development	8,838	7,101	25,160	21,710
Total operating expenses	34,446	26,243	98,385	75,344
Loss from operations	(9,226)	(12,512)	(28,230)	(39,233)
Other income (expense), net:
Interest expense	(5)	(230)	(16)	(3,304)
Interest and other income	2,906	1,746	6,767	4,913
Loss on extinguishment of term loan	0	(1,407)	0	(1,769)
Loss before income taxes	(6,325)	(12,403)	(21,479)	(39,393)
Income tax expense	13	12	38	38
Net loss	(6,338)	(12,415)	(21,517)	(39,431)
Other comprehensive (loss) income
Unrealized gain on short-term investments	633	19	524	38
Foreign currency translation gain (loss)	6	(6)	2	(3)
Total other comprehensive income	639	13	526	35
Comprehensive loss	$ (5,699)	$ (12,402)	$ (20,991)	$ (39,396)
Net loss per share:
Attributable to common stock, basic	$ (0.16)	$ (0.35)	$ (0.56)	$ (1.16)
Attributable to common stock, diluted	$ (0.16)	$ (0.35)	$ (0.56)	$ (1.16)
Weighted-average shares used in computing net loss per share:
Attributable to common stock, basic	39,788,621	35,662,397	38,367,759	33,947,331
Attributable to common stock, diluted	39,788,621	35,662,397	38,367,759	33,947,331