Note 3 - Revenue From Contracts With Customers (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended								Nine Months Ended
Revenue by Channel	September 30,				October 1,				September 30,				October 1,
(In thousands)	2023				2022				2023				2022
Distributors	$	173,344	90	%	$	154,417	90	%	$	504,052	89	%	$	433,535	89	%
Direct		18,825	10	%		18,092	10	%		62,506	11	%		50,861	11	%
Total revenue	$	192,169	100	%	$	172,509	100	%	$	566,558	100	%	$	484,396	100	%
Revenue by Geographical Market
(In thousands)
China		64,114	34	%		75,933	44	%		175,670	31	%		232,099	48	%
Japan		25,689	13	%		26,924	16	%		94,434	17	%		62,784	13	%
Other Asia		27,532	14	%		20,003	12	%		72,009	12	%		55,449	11	%
Asia		117,335	61	%		122,860	72	%		342,113	60	%		350,332	72	%
Americas		33,209	17	%		23,154	13	%		107,780	19	%		66,976	14	%
Europe		41,625	22	%		26,495	15	%		116,665	21	%		67,088	14	%
Total revenue	$	192,169	100	%	$	172,509	100	%	$	566,558	100	%	$	484,396	100	%

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

(In thousands)
Contract assets as of December 31, 2022	$	7,347
Revenues recorded during the period		9,377
Transferred to Accounts receivable or collected		(7,378	)
Contract assets as of September 30, 2023	$	9,346

(In thousands)
Contract liabilities as of December 31, 2022	$	17,666
Less: Product shipments from prepaid customer deposit		(12,826	)
Accruals for estimated future stock rotation and scrap returns		6,348
Less: Release of accruals for recognized stock rotation and scrap returns		(6,114	)
Contract liabilities as of September 30, 2023	$	5,074