Note 4 - Revenue From Contracts With Customers (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended March 31,
	2019		201 8
Net revenues by customer type:
End user	$	16,037	$	16,328
OEM/Integrator		2,025		2,543
	$	18,062	$	18,871
Net revenues by product type:
Thermal test	$	5,224	$	6,032
Induction heating		5,751		5,622
Semiconductor production test		5,284		5,339
Service/other		1,803		1,878
	$	18,062	$	18,871
Net revenues by market:
Semiconductor	$	10,111	$	10,539
Industrial		5,946		5,653
Telecommunications		593		1,279
Other non-semiconductor markets		1,412		1,400
	$	18,062	$	18,871