v3.5.0.1

Acquired Intangible Assets, net - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2014
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization Of Intangible Assets Including Portion In Cost Of Revenue | $ 1,900 | $ 1,900 |
Impairment of Intangible Assets, Finite-lived | $ 0 | $ 0 | $ 2,500
Discontinued Operations [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of Intangible Assets, Finite-lived |  |  | 2,500
Discontinued Operations [Member] | Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of Intangible Assets, Finite-lived |  |  | 2,400
Discontinued Operations [Member] | Developed technology |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of Intangible Assets, Finite-lived |  |  | $ 100

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- Definition Amortization of intangible assets including amount related to developed technology which is included in cost of revenue on the statement of operations. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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- Details
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- Details
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- Details
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