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Goodwill and Acquired Intangible Assets (Tables) | 6 Months Ended
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Jan. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the carrying amount of goodwill consisted of the following:
| Amount
| (in thousands)
Balance as of July 31, 2019 | $ | 7,479 |
Goodwill activity | — |
Balance as of January 31, 2020 | $ | 7,479 |
Schedule of Acquired Intangible Assets | Acquired intangible assets subject to amortization consisted of the following as of January 31, 2020 and July 31, 2019:
| Gross Carrying Amount |  |  |  |  |  | Accumulated Amortization |  |  |  |  |  | Net Carrying Amount |  |
| July 31, 2019 |  | Additions |  | January 31, 2020 |  | July 31, 2019 |  | Amortization Expense |  | January 31, 2020 |  | January 31, 2020 |  | July 31, 2019
| (in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology | $ | 9,456 |  |  | $ | — |  |  | $ | 9,456 |  |  | $ | (897) |  |  | $ | (1,405) |  |  | $ | (2,302) |  |  | $ | 7,154 |  |  | $ | 8,559 |
Customer relationships | 160 |  |  | — |  |  | 160 |  |  | (11) |  |  | (16) |  |  | (27) |  |  | 133 |  |  | 149 |
Total | $ | 9,616 |  |  | $ | — |  |  | $ | 9,616 |  |  | $ | (908) |  |  | $ | (1,421) |  |  | $ | (2,329) |  |  | $ | 7,287 |  |  | $ | 8,708 |
Schedule of Future Amortization Expense | Future amortization expense of acquired intangible assets consisted of the following as of January 31, 2020:
| Amount
Year ending July 31, | (in thousands)
2020 (remaining six months) |  | $ | 1,283 |
2021 | 2,567 |
2022 | 1,960 |
2023 | 1,456 |
2024 | 21 |
Total | $ | 7,287 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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