CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CONSOLIDATED STATEMENTS OF INCOME
NET REVENUES	$ 444,538	$ 651,138	$ 703,277
COST OF REVENUES	215,582	284,231	342,638
GROSS PROFIT	228,956	366,907	360,639
OPERATING EXPENSES:
Research and development	96,067	93,894	84,933
Sales and marketing	64,598	62,574	60,808
General and administrative	33,232	28,897	39,840
Other operating expenses, net	0	1,130	0
Total operating expenses	193,897	186,495	185,581
INCOME FROM OPERATIONS	35,059	180,412	175,058
OTHER INCOME	10,848	3,014	1,077
INCOME BEFORE INCOME TAXES	45,907	183,426	176,135
PROVISION (BENEFIT) FOR INCOME TAXES	(9,828)	12,575	11,722
NET INCOME	$ 55,735	$ 170,851	$ 164,413
EARNINGS PER SHARE:
Basic (in dollars per share)	$ 0.97	$ 2.96	$ 2.73
Diluted (in dollars per share)	$ 0.97	$ 2.93	$ 2.67
SHARES USED IN PER SHARE CALCULATION:
Basic (in shares)	57,195	57,801	60,327
Diluted (in shares)	57,622	58,371	61,467