Note 7 - Revenue From Contracts With Customers (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Years Ended December 31,
	2021		2020
Revenue by customer type:
End user	$	72,738	$	48,041
OEM/Integrator		12,140		5,782
	$	84,878	$	53,823
Revenue by product type:
Thermal test	$	19,156	$	15,768
Thermal process		26,260		18,966
Semiconductor test		31,825		13,112
Service/other		7,637		5,977
	$	84,878	$	53,823
Revenue by market:
Semi Market	$	54,937	$	26,870
Industrial		17,257		15,370
Defense/aerospace		4,125		6,314
Automotive		4,325		1,930
Other Multimarket		4,234		3,339
	$	84,878	$	53,823