Note 4 - Revenue From Contracts With Customers

3 Months Ended

Mar. 31, 2020

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

12

for information about revenue by operating segment and geographic region.

	Three Months Ended March 31,
	20 20		201 9
Net revenues by customer type:
End user	$	9,922	$	16,037
OEM/Integrator		1,308		2,025
	$	11,230	$	18,062
Net revenues by product type:
Thermal test	$	4,147	$	4,967
Thermal process		3,748		6,009
Semiconductor production test		1,825		5,284
Service/other		1,510		1,802
	$	11,230	$	18,062
Net revenues by market:
Semiconductor	$	5,011	$	10,111
Industrial		4,227		5,946
Defense/aerospace		1,408		982
Telecommunications		411		593
Other non-semiconductor markets		173		430
	$	11,230	$	18,062

There was

not

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

three

months ended

March 

31,

2020.