REVENUE (Tables)

12 Months Ended

May 31, 2023

REVENUE

Disaggregation of revenue

The Company’s revenues by product category are as follows (in thousands):

	Year Ended May 31,
	2023		2022		2021
Type of good / service:
Systems	$	38,844	$	25,224	$	7,250
Contactors		21,873		22,647		5,837
Services		4,244		2,958		3,513
	$	64,961	$	50,829	$	16,600
Product lines:
Wafer-level	$	63,531	$	48,926	$	15,004
Test During Burn-In		1,430		1,903		1,596
	$	64,961	$	50,829	$	16,600

The following presents information about the Company’s operations in different geographic areas.  Net sales are based upon ship-to location (in thousands):

	Year Ended May 31,
	2023		2022		2021
Geographic region:
United States	$	9,289	$	5,110	$	5,386
Asia		55,609		45,700		11,074
Europe		63		19		140
	$	64,961	$	50,829	$	16,600

With the exception of the amount of service contracts and extended warranties, the Company’s product category revenues are recognized at point in time when control transfers to customers.  The following presents revenue based on timing of recognition (in thousands):

	Year Ended May 31,
	2023		2022		2021
Timing of revenue recognition (in thousands):
Products and services transferred at a point in time	$	63,531	$	49,441	$	15,009
Services transferred over time		1,430		1,388		1,591
	$	64,961	$	50,829	$	16,600