Note 7 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	December 31, 2022
(In thousands)	Weighted Average Amortization Period (in years)	Gross		Accumulated Amortization			Intangible assets, net
Existing technology	5.1	$	124,487	$	(113,157	)	$	11,330
Customer relationships	6.1		32,734		(24,509	)		8,225
Trade name / trademarks	10.0		1,500		(169	)		1,331
Licensed technology	6.3		6,671		(2,487	)		4,184
Total identified intangible assets		$	165,392	$	(140,322	)	$	25,070

	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

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

	Year Ended
	December 31,		January 1,		January 2,
(In thousands)	2022		2022		2021
Research and development	$	1,054	$	901	$	124
Amortization of acquired intangible assets		3,778		2,613		4,449
	$	4,832	$	3,514	$	4,573

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

Fiscal year	(In thousands)
2023	$	4,522
2024		4,310
2025		4,263
2026		4,261
2027		4,197
Thereafter		3,517
Total	$	25,070