v2.4.0.8

Acquired Intangible Asset Net - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended | 1 Months Ended |  | 1 Months Ended | 12 Months Ended
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Apr. 30, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Apr. 30, 2014 | Apr. 30, 2013 | Dec. 31, 2012 Shopzilla Customer Contracts | Dec. 31, 2012 Shopzilla Customer Contracts Holdback Liabilities | Jan. 31, 2014 Customer Relationships Shopzilla Customer Contracts | Mar. 31, 2013 Customer Relationships Shopzilla Customer Contracts | Dec. 31, 2012 Customer Relationships Shopzilla Customer Contracts | Apr. 30, 2014 Discontinued Operations | Apr. 30, 2014 Discontinued Operations Customer Relationships | Apr. 30, 2014 Discontinued Operations Developed Technology
Acquired Intangible Assets Amortization [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of acquired intangible assets |  |  |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  | $ 2,500,000 | $ 2,354,000 | $ 146,000
Purchase of customer contracts, purchase price |  |  |  |  |  |  |  |  |  |  | 30,000 | 200,000 | 4,700,000 |  |  |
Purchase of customer contracts, cash remitted |  |  |  |  |  |  |  |  | 4,200,000 |  |  |  |  |  |  |
Accrued expenses and other current liabilities | 27,071,000 |  |  |  | 29,959,000 |  | 27,071,000 | 29,959,000 |  | 500,000 |  |  |  |  |  |
Purchase of customer contracts, remaining useful life of acquired contractual customer relationships |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |
Amortization of acquired intangible assets | $ 288,000 | $ 282,000 | $ 283,000 | $ 282,000 | $ 282,000 | $ 267,000 | $ 1,135,000 | $ 549,000 |  |  |  |  |  |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination. + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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=26713463&loc=d3e16373-109275 + Details
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- Definition Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6911-107765 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6904-107765 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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