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Intangibles | 9 Months Ended
--- | ---
Jan. 25, 2020
Intangibles |
Intangibles | 8. Intangibles ​ The components of intangibles are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | January 25, | ​ | April 30, | ​
​ |  | 2020 |  | 2019 | ​
Technology | ​ | $ | 14,950 | ​ | $ | - | ​
Licenses | ​ | ​ | 1,006 | ​ | ​ | 1,006 | ​
Customer relationships | ​ | ​ | 873 | ​ | ​ | 733 | ​
In-process research and development | ​ | ​ | 550 | ​ | ​ | - | ​
Non-compete agreements | ​ | ​ | 320 | ​ | ​ | - | ​
Trademarks and tradenames | ​ | ​ | 68 | ​ | ​ | 28 | ​
Other | ​ | ​ | 3 | ​ | ​ | 3 | ​
Intangibles, gross | ​ | ​ | 17,770 | ​ | ​ | 1,770 | ​
Less accumulated amortization | ​ |  | (3,413) | ​ |  | (1,311) | ​
Intangibles, net | ​ | $ | 14,357 | ​ | $ | 459 | ​
​ The weighted average amortization period at January 25, 2020 and April 30, 2019 was five years and one year, respectively. Amortization expense for the three and nine months ended January 25, 2020 was $775,000 and $2,102,000, respectively. Amortization expense for the three and nine months ended January 26, 2019 was $104,000 and $253,000, respectively. ​ Technology, in-process research and development, customer relationships, trademarks and tradenames, and non-compete agreements were recognized in conjunction with the Company’s acquisition of Pulse on June 10, 2019. Refer to Note 18—Business Acquisitions for further details. ​ Estimated amortization expense for the next five years is as follows (in thousands): ​
​ | ​ | ​ | ​ | ​
​ |  | Year ending |
​ | ​ | April 30, |
2020 | ​ | $ | 720 | ​
2021 | ​ |  | 2,792 | ​
2022 | ​ |  | 2,829 | ​
2023 | ​ |  | 2,688 | ​
2024 | ​ |  | 2,629 | ​
​ | ​ | $ | 11,658 | ​
​

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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