Note 9 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

	Three Months Ended March 31,
	2018					2017
Market	Net Sales		%			Net Sales		%
Medical	$	24,138		56.2	%	$	17,456		47.1	%
Consumer		5,460		12.7	%		4,441		12.0	%
Automotive		5,356		12.5	%		6,719		18.1	%
Electronics		2,871		6.7	%		2,909		7.9	%
Industrial		2,627		6.1	%		2,468		6.7	%
Aerospace & Defense		2,479		5.8	%		3,060		8.3	%
Net Sales	$	42,931		100.0	%	$	37,053		100.0	%