Note 5 - Revenue From Contracts With Customers

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

( 5 ) 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

13

for information about revenue by operating segment and geographic region.

	Three Months Ended March 31,
	2021		2020
Net revenues by customer type:
End user	$	17,660	$	9,922
OEM/Integrator		1,896		1,308
	$	19,556	$	11,230
Net revenues by product type:
Thermal test	$	4,305	$	4,147
Thermal process		5,566		3,748
Semiconductor production test		8,320		1,825
Service/other		1,365		1,510
	$	19,556	$	11,230
Net revenues by market:
Semi Market	$	13,320	$	5,011
Multimarket:
Industrial		3,828		4,227
Defense/aerospace		1,129		1,408
Telecommunications		340		411
Other Multimarket		939		173
	$	19,556	$	11,230

There was

no

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

three

months ended

March 

31,

2021.