Note 4 - Revenue From Contracts With Customers (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Net revenues by customer type:
End user	$	13,167	$	17,186	$	42,310	$	51,687
OEM/Integrator		1,465		2,974		4,736		8,441
	$	14,632	$	20,160	$	47,046	$	60,128
Net revenues by product type:
Thermal test	$	4,568	$	6,259	$	13,817	$	17,981
Induction heating		4,160		6,150		14,232		17,709
Semiconductor test		3,841		5,245		12,734		17,393
Service/other		2,063		2,506		6,263		7,045
	$	14,632	$	20,160	$	47,046	$	60,128
Net revenues by market:
Semi	$	7,126	$	11,415	$	24,878	$	34,997
Industrial		5,758		5,576		15,983		16,229
Telecommunications		153		2,051		1,437		4,673
Other Multimarket		1,595		1,118		4,748		4,229
	$	14,632	$	20,160	$	47,046	$	60,128