Note 17 - Segment Data (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

	2019					2018					2017
Market	Net Sales		%			Net Sales		%			Net Sales		%
Medical	$	128,915		65.0	%	$	110,282		57.9	%	$	70,090		47.4	%
Automotive		20,004		10.1	%		20,022		10.5	%		23,119		15.6	%
Consumer		17,669		8.9	%		24,989		13.1	%		21,328		14.4	%
Aerospace & Defense		13,778		6.9	%		13,130		6.9	%		11,521		7.8	%
Industrial		9,607		4.8	%		10,579		5.6	%		9,826		6.6	%
Electronics		8,408		4.2	%		11,453		6.0	%		11,959		8.1	%
Net Sales	$	198,381		100.0	%	$	190,455		100.0	%	$	147,843		100.0	%