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Goodwill | 3 Months Ended
--- | ---
Jul. 27, 2019
Goodwill. |
Goodwill | 9. Goodwill ​ The following table presents the changes in the Company’s goodwill balance (in thousands): ​
​ | ​ | ​ | ​
Balance at April 30, 2019 |  | $ | -
Additions to goodwill | ​ | ​ | 8,080
Impairment of goodwill | ​ | ​ | -
Balance at July 27, 2019 | ​ | $ | 8,080
​ The increase of goodwill is attributable to the acquisition of Pulse. Refer to Note 18—Business Acquisitions for further details.

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