Note 4 - Revenue From Contracts With Customers

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

( 4 ) REVENUE FROM CONTRACTS WITH CUSTOMERS

The following tables provide additional information about our revenue from contracts with customers, including revenue by customer and product type and revenue by market. See also Note

11

for information about revenue by operating segment and geographic region.

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		201 8		201 9		201 8
Net revenues by customer type:
End user	$	13,106	$	18,173	$	29,143	$	34,502
OEM/Integrator		1,246		2,924		3,271		5,466
	$	14,352	$	21,097	$	32,414	$	39,968
Net revenues by product type:
Thermal test	$	4,282	$	5,885	$	9,249	$	11,722
Induction heating		4,321		5,937		10,072		11,559
Semiconductor test		3,609		6,809		8,893		12,148
Service/other		2,140		2,466		4,200		4,539
	$	14,352	$	21,097	$	32,414	$	39,968
Net revenues by market:
Semi Market	$	7,641	$	13,043	$	17,752	$	23,582
Industrial		4,279		5,000		10,225		10,653
Telecommunications		691		1,343		1,284		2,622
Other Multi Markets		1,741		1,711		3,153		3,111
	$	14,352	$	21,097	$	32,414	$	39,968

There was

no

change in the amount of the allowance for doubtful accounts for the

six

months ended

June 30, 2019.