Three Months Ended January 31, | Twelve Months Ended January 31, | ||||||||||||||
2022 | 2021 | 2022 | 2021 | ||||||||||||
(unaudited, in thousands) | |||||||||||||||
Acquisition-related costs: | |||||||||||||||
Cost of revenue | $ | 757 | $ | — | $ | 903 | $ | — | |||||||
Research and development | 1 | — | 8 | — | |||||||||||
Selling, general and administrative | 2,220 | — | 3,821 | — | |||||||||||
Total acquisition-related costs | $ | 2,978 | $ | — | $ | 4,732 | $ | — | |||||||