Note 7 - Intangible Assets (Tables)

12 Months Ended

Jan. 01, 2022

Notes Tables

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

	January 1, 2022
(In thousands)	Weighted Average Amortization Period (in years)		Gross		Accumulated Amortization			Intangible assets, net
Existing technology		5.1	$	124,487	$	(111,090	)	$	13,397
Customer relationships		6.1		32,734		(22,947	)		9,787
Trade name / trademarks		10.0		1,500		(19	)		1,481
Licensed technology		6.3		6,551		(1,434	)		5,117
Total identified intangible assets			$	165,272	$	(135,490	)	$	29,782

	January 2, 2021
(In thousands)	Weighted Average Amortization Period (in years)		Gross		Accumulated Amortization			Intangible assets, net
Developed technology		5.0	$	110,987	$	(109,162	)	$	1,825
Customer relationships		5.8		22,934		(22,281	)		653
Licensed technology		6.6		4,376		(533	)		3,843
Total identified intangible assets			$	138,297	$	(131,976	)	$	6,321

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

	Year Ended
	January 1,		January 2,		December 28,
(In thousands)	2022		2021		2019
Research and development	$	901	$	124	$	55
Amortization of acquired intangible assets		2,613		4,449		13,558
	$	3,514	$	4,573	$	13,613

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

Fiscal year	(in thousands)
2022	$	4,771
2023		4,492
2024		4,280
2025		4,233
2026		4,233
Thereafter		7,773
Total	$	29,782