CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Product sales, net	$ 52,662	$ 45,922	$ 103,943	$ 86,939
Total revenue	52,662	45,922	103,943	86,939
Cost of product sales	16,061	15,981	31,988	30,478
Gross profit	36,601	29,941	71,955	56,461
Research and development	7,363	5,253	13,781	10,465
Selling, general and administrative	35,269	30,649	69,669	60,134
Total operating expenses	42,632	35,902	83,450	70,599
Loss from operations	(6,031)	(5,961)	(11,495)	(14,138)
Other income (expense):
Interest income	1,510	1,095	3,272	1,934
Interest expense	(153)	(149)	(306)	(294)
Other expense	(8)	(5)	(15)	(17)
Total other income	1,349	941	2,951	1,623
Net loss	$ (4,682)	$ (5,020)	$ (8,544)	$ (12,515)
Net loss per common share:
Basic (in USD per share)	$ (0.10)	$ (0.11)	$ (0.18)	$ (0.26)
Diluted (in USD per share)	$ (0.10)	$ (0.11)	$ (0.18)	$ (0.26)
Weighted-average common shares outstanding:
Basic (in shares)	48,686	47,572	48,413	47,480
Diluted (in shares)	48,686	47,572	48,413	47,480
Revenue, Product and Service [Extensible List]			Product [Member]	Product [Member]
Cost, Product and Service [Extensible List]			Product [Member]	Product [Member]