Note 13 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Year Ended
	December 31,		January 1,		January 2,
(In thousands)	2022		2022		2021
Domestic	$	30,362	$	24,003	$	11,772
Foreign		151,750		73,623		36,684
Income before taxes	$	182,112	$	97,626	$	48,456

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended
	December 31,			January 1,			January 2,
(In thousands)	2022			2022			2021
Current:
Federal	$	748		$	445		$	54
State		265			45			68
Foreign		3,637			1,538			1,025
		4,650			2,028			1,147
Deferred:
Federal		—			—			—
State		—			—			—
Foreign		(1,420	)		(324	)		(83	)
		(1,420	)		(324	)		(83	)
Income tax expense	$	3,230		$	1,704		$	1,064

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended
	December 31,	January 1,	January 2,
	2022	2022	2021
	%	%	%
Statutory federal rate	21	21	21
Adjustments for tax effects of:
State taxes, net	(2)	(4)	(4)
Federal tax credits	(1)	(3)	(3)
Excess tax benefit from stock compensation	—	(8)	(10)
Foreign rate differential	(16)	(14)	(12)
U.S. tax on foreign operations	33	3	15
Foreign withholding taxes	1	1	3
Capital loss expiration	1	3	—
Other deferred tax asset adjustment	—	—	3
Valuation allowance	(33)	8	(13)
Change in uncertain tax benefit accrual	(2)	(5)	2
Effective income tax rate	2	2	2

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

(In thousands)	December 31, 2022			January 1, 2022
Deferred tax assets:
Intangible assets	$	6,264		$	8,236
Net operating loss carry forwards		15,362			88,254
Tax credit carry forwards		103,092			93,095
Accrued liabilities and reserves		12,932			6,590
Stock-based and deferred compensation		3,769			4,477
Other		5,031			6,615
Total deferred tax assets		146,450			207,267
Less: valuation allowance		(140,533	)		(200,438	)
Net deferred tax assets		5,917			6,829
Deferred tax liabilities:
Fixed assets		2,058			2,379
Unremitted earnings		2,498			2,128
Other		8,134			9,969
Total deferred tax liabilities		12,690			14,476
Net deferred taxes	$	(6,773	)	$	(7,647	)
Reported as:
Deferred tax assets (included in Other long-term assets)	$	1,022		$	953
Deferred tax liabilities (included in Other long-term liabilities)		(7,795	)		(8,600	)
Net deferred taxes	$	(6,773	)	$	(7,647	)

Summary of Valuation Allowance [Table Text Block]

Fiscal Years Ended	Balance at beginning		Charged (Credit) to costs and			Charged (credit) to other		Balance at end of
(In thousands)	of period		expenses			accounts		period
December 31, 2022	$	200,438	$	(59,905	)	$	—	$	140,533
January 1, 2022	$	192,478	$	7,960		$	—	$	200,438
January 2, 2021	$	198,499	$	(6,021	)	$	—	$	192,478

Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward [Table Text Block]

	(In thousands)
Balance at December 28, 2019	$	56,962
Additions based on tax positions related to the current year		548
Additions based on tax positions of prior years		628
Reduction for tax positions of prior years		—
Reduction as a result of lapse of applicable statute of limitations		(2,401	)
Balance at January 2, 2021		55,737
Additions based on tax positions related to the current year		1,156
Additions based on tax positions of prior years		1,130
Additions due to acquisition		977
Settlements		(51	)
Reduction as a result of lapse of applicable statute of limitations		(2,718	)
Balance at January 1, 2022		56,231
Additions based on tax positions related to the current year		1,594
Additions based on tax positions of prior years		2,798
Settlements		(148	)
Reduction as a result of lapse of applicable statute of limitations		(1,586	)
Balance at December 31, 2022	$	58,889