Note 6 - Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 28, 2024

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	December 28, 2024
(In thousands)	Weighted Average Amortization Period (in years)		Gross		Impairment			Accumulated Amortization			Intangible assets, net
Existing technology		—	$	124,487	$	(7,473	)	$	(117,014	)	$	—
Customer relationships		—		32,734		(5,425	)		(27,309	)		—
Trade name / trademarks		—		1,500		(1,031	)		(469	)		—
Licensed technology		5.4		9,366		—			(4,779	)		4,587
Total identified intangible assets			$	168,087	$	(13,929	)	$	(149,571	)	$	4,587

	December 30, 2023
(In thousands)	Weighted Average Amortization Period (in years)		Gross		Impairment		Accumulated Amortization			Intangible assets, net
Existing technology		5.1	$	124,487	$	—	$	(115,085	)	$	9,402
Customer relationships		6.1		32,734		—		(25,909	)		6,825
Trade name / trademarks		10.0		1,500		—		(319	)		1,181
Licensed technology		6.2		7,127		—		(3,561	)		3,566
Total identified intangible assets			$	165,848	$	—	$	(144,874	)	$	20,974

Finite-Lived Intangible Assets Amortization Expense [Table Text Block]

	Year Ended
	December 28,		December 30,		December 31,
(In thousands)	2024		2023		2022
Research and development	$	1,218	$	1,074	$	1,054
Amortization of acquired intangible assets		3,479		3,478		3,778
	$	4,697	$	4,552	$	4,832

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Fiscal year	(In thousands)
2025	$	1,653
2026		1,641
2027		1,230
2028		63
Total	$	4,587