REVENUE (Tables)

9 Months Ended

Feb. 28, 2022

REVENUE

Disaggregation of revenue

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

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2022		2021		2022		2021
Type of good / service:
Systems	$	7,172	$	2,435	$	14,805	$	3,407
Contactors		7,426		1,930		13,468		3,330
Services		685		902		2,267		2,225
	$	15,283	$	5,267	$	30,540	$	8,962
Product lines:
Wafer-level	$	14,879	$	4,993	$	29,130	$	7,804
Test During Burn-In		404		274		1,410		1,158
	$	15,283	$	5,267	$	30,540	$	8,962

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

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2022		2021		2022		2021
Geographic region:
United States	$	1,057	$	1,113	$	2,458	$	3,124
Asia		14,213		4,122		28,066		5,723
Europe		13		32		16		115
	$	15,283	$	5,267	$	30,540	$	8,962

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

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2022		2021		2022		2021
Timing of revenue recognition:
Products and services transferred at a point in time	$	14,932	$	4,944	$	29,492	$	7,728
Services transferred over time		351		323		1,048		1,234
	$	15,283	$	5,267	$	30,540	$	8,962