Note 4 - Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2022		2021
Raw materials	$	53,478	$	29,478
Work in process		147,956		130,029
Finished goods		158,213		99,910
Total	$	359,647	$	259,417

Schedule of Other Current Assets [Table Text Block]

	June 30,		December 31,
	2022		2021
RSU tax withholding proceeds receivable	$	12,630	$	16,224
Prepaid expenses		9,664		9,526
Accrued interest receivable		7,073		5,440
Assets for product returns		1,936		1,596
Other		3,752		2,754
Total	$	35,055	$	35,540

Schedule of Other Assets, Noncurrent [Table Text Block]

	June 30,		December 31,
	2022		2021
Deferred compensation plan assets	$	48,128	$	53,172
Prepaid expenses		3,494		2,311
Other		14,763		14,040
Total	$	66,385	$	69,523

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2022		2021
Dividends and dividend equivalents	$	40,391	$	32,364
Warranty		25,209		20,989
Stock rotation and sales returns		8,478		5,748
Customer prepayments		4,780		4,300
Income tax payable		3,460		4,921
Other		9,006		12,960
Total	$	91,324	$	81,282

Other Noncurrent Liabilities [Table Text Block]

	June 30,		December 31,
	2022		2021
Deferred compensation plan liabilities	$	49,905	$	55,489
Dividend equivalents		8,352		8,470
Other		2,477		3,268
Total	$	60,734	$	67,227