| Three Months Ended July 31, | Six Months Ended July 31, | |||||||||||||||
| 2023 | 2022 | 2023 | 2022 | |||||||||||||
| (unaudited, in thousands) | ||||||||||||||||
| Acquisition-related costs: | ||||||||||||||||
| Cost of revenue | $ | 757 | $ | 757 | $ | 1,514 | $ | 1,514 | ||||||||
| Research and development | — | — | — | — | ||||||||||||
| Selling, general and administrative | 520 | 522 | 1,040 | 1,058 | ||||||||||||
| Total acquisition-related costs | $ | 1,277 | $ | 1,279 | $ | 2,554 | $ | 2,572 | ||||||||
