v2.4.0.8

Business Combinations - Additional Information (Detail) (USD $) |  |  |  | 0 Months Ended |  |  | 12 Months Ended |  |  |  | 0 Months Ended
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Apr. 30, 2014 | Nov. 05, 2012 | Jun. 12, 2012 | Apr. 15, 2014 FeedMagnet | Jun. 12, 2012 PowerReviews | Jun. 12, 2012 PowerReviews Common Stock | Nov. 05, 2012 Longboard Media, Inc | Oct. 31, 2013 Longboard Media, Inc Contingent Consideration Subject to Certain Requirements | Apr. 30, 2013 Longboard Media, Inc Contingent Consideration Subject to Certain Requirements | Apr. 30, 2014 Longboard Media, Inc Selling, General and Administrative Expenses Contingent Consideration Subject to Certain Requirements | Apr. 30, 2014 Longboard Media, Inc Selling, General and Administrative Expenses Scenario, Before Adjustment | Nov. 05, 2012 Longboard Media, Inc Key individuals | Oct. 31, 2013 Longboard Media, Inc Accrued Expenses and Other Current Liabilities Scenario, Before Adjustment | Apr. 30, 2013 Longboard Media, Inc Accrued Expenses and Other Current Liabilities Scenario, Before Adjustment | Nov. 05, 2012 Longboard Media, Inc Common Stock
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash paid in business acquisition |  |  |  | $ 9,329,000 | $ 31,059,000 |  | $ 26,855,000 |  |  |  |  |  |  |  |
Shares of common Stock issued in business acquisition |  |  |  |  | 6,400,000 | 6,400,000 |  |  |  |  |  |  |  |  | 500,000
Number of vested and unvested options equivalent to the acquired company's option | 6,901,000 |  |  |  | 1,700,000 |  |  |  |  |  |  |  |  |  |
Closing price of common stock |  | $ 12.60 | $ 17.20 |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration acquisition fair value |  |  |  |  | 9,950,000 |  | 4,270,000 | 0 | 1,500,000 |  |  | 2,000,000 | 0 | 3,300,000 |
Fair value offset to operating expenses |  |  |  |  |  |  |  |  |  | $ (1,000,000) | $ (3,300,000) |  |  |  |

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + 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 (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Price of a single share of a number of saleable stocks of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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