Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Condensed Statements of Operations and Comprehensive Loss [Abstract]
Revenue	$ 45,298	$ 33,173	$ 85,429	$ 61,193
Cost of goods sold	13,004	9,012	25,530	17,588
Gross profit	32,294	24,161	59,899	43,605
Operating expenses:
Research and development	10,780	10,655	21,213	18,778
Selling, general and administrative	35,830	27,700	69,913	54,975
Total operating expenses	46,610	38,355	91,126	73,753
Loss from operations	(14,316)	(14,194)	(31,227)	(30,148)
Interest income	2,434	122	4,721	134
Interest expense	(1,712)	(1,031)	(3,405)	(1,652)
Loss on debt extinguishment		(245)		(245)
Other income (expense), net	110	(50)	(33)	(166)
Net loss	(13,484)	(15,398)	(29,944)	(32,077)
Other comprehensive loss:
Change in unrealized loss on investments, net	(414)	(2)	(165)	(2)
Other comprehensive loss	(414)	(2)	(165)	(2)
Net loss and comprehensive loss	$ (13,898)	$ (15,400)	$ (30,109)	$ (32,079)
Net loss per share, basic	$ (0.35)	$ (0.44)	$ (0.77)	$ (0.91)
Net loss per share, diluted	$ (0.35)	$ (0.44)	$ (0.77)	$ (0.91)
Weighted average common shares used to compute net loss per share, basic	38,765,166	35,143,178	38,649,327	35,083,569
Weighted average common shares used to compute net loss per share, diluted	38,765,166	35,143,178	38,649,327	35,083,569