v3.8.0.1

Acquired Intangible Assets, net (Tables) | 6 Months Ended
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Oct. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Acquired Intangible Assets, Net | Acquired intangible assets, net, as of October 31, 2017 and April 30, 2017 are as follows (in thousands):
| October 31, 2017 |  | April 30, 2017
| Gross Fair Value |  | Accumulated Amortization |  | Net Book Value |  | Gross Fair Value |  | Accumulated Amortization |  | Net Book Value
Customer relationships | $ | 11,835 |  |  | $ | (6,013 | ) |  | $ | 5,822 |  |  | $ | 11,835 |  |  | $ | (5,395 | ) |  | $ | 6,440 |
Developed technology | 3,265 |  |  | (2,315 | ) |  | 950 |  |  | 3,265 |  |  | (1,988 | ) |  | 1,277 |
Total | $ | 15,100 |  |  | $ | (8,328 | ) |  | $ | 6,772 |  |  | $ | 15,100 |  |  | $ | (7,383 | ) |  | $ | 7,717 |
Estimate of Future Amortization Expense for Definite-Lived Intangible Assets | The following table presents our estimate of future amortization expense for definite-lived intangible assets (in thousands):
Fiscal period: | Amount
Remaining six months of fiscal year 2018 | $ | 945 |
Fiscal year 2019 | 1,856 |
Fiscal year 2020 | 1,130 |
Fiscal year 2021 | 1,130 |
Fiscal year 2022 | 1,130 |
Thereafter | 581 |
Total | $ | 6,772 |

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- Definition Tabular disclosure of finite-lived and indefinite-lived intangible assets acquired as part of a business combination. + References No definition available. + 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://www.xbrl.org/2003/role/presentationRef -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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