Note 8 - Intangible Assets (Tables)

9 Months Ended

Oct. 02, 2021

Notes Tables

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

	Three Months Ended				Nine Months Ended
	October 2,		September 26,		October 2,		September 26,
(In thousands)	2021		2020		2021		2020
Research and development	$	223	$	17	$	644	$	45
Amortization of acquired intangible assets		603		603		1,809		3,846
	$	826	$	620	$	2,453	$	3,891