CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Income Statement [Abstract]
Net sales	$ 73,528	$ 63,200
Cost of sales	15,966	13,936
Gross profit	57,562	49,264
Selling, general and administrative expenses:
General and administrative	18,098	11,940
Selling and marketing	26,354	17,270
Research and development	10,310	7,941
Total selling, general and administrative expenses	54,762	37,151
Operating income	2,800	12,113
Other income (expense), net:
Interest income (expense), net	1,822	(6)
Gain (loss) on foreign currency transactions	34	(915)
Royalty income		273
Other income, net	63	62
Total other income (expense), net	1,919	(586)
Income before income taxes	4,719	11,527
Provision for income taxes	2,009	1,925
Net income	$ 2,710	$ 9,602
Net income per share:
Basic	$ 0.06	$ 0.20
Diluted	$ 0.05	$ 0.19
Weighted average shares outstanding:
Basic	48,247	47,755
Diluted	49,500	49,288