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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Apr. 30, 2015
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Goodwill Activity | Goodwill activity is reflected in the following table (in thousands):
Balance as of January 31, 2015 | $ | 11,242 |
Goodwill acquired |  | 415 |
Balance as of April 30, 2015 | $ | 11,657 |
Schedule of Components of Intangible Assets | Intangible assets consisted of the following (in thousands):
| Weighted Average Useful Life (1) |  | Gross Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |
April 30, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  | 2.6 |  | years |  | $ | 11,473 |  |  | $ | (6,375 | ) |  | $ | 5,098 |
Trade name and other |  | 6.9 |  | years |  |  | 1,201 |  |  |  | (753 | ) |  |  | 448 |
Intangibles, net |  |  |  |  |  | $ | 12,674 |  |  | $ | (7,128 | ) |  | $ | 5,546 |
January 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  | 2.7 |  | years |  | $ | 11,124 |  |  | $ | (5,268 | ) |  | $ | 5,856 |
Trade name and other |  | 6.9 |  | years |  |  | 1,201 |  |  |  | (714 | ) |  |  | 487 |
Intangibles, net |  |  |  |  |  | $ | 12,325 |  |  | $ | (5,982 | ) |  | $ | 6,343 |
(1) | From the date of acquisition
Schedule of Expected Amortization Expense of Intangible Assets | As of April 30, 2015, expected amortization expense for intangible assets was as follows (in thousands):
Years ending January 31: |  |  |
Remainder of 2016 | $ | 3,401 |
2017 |  | 1,952 |
2018 |  | 169 |
2019 |  | 23 |
2020 |  | 1 |
| $ | 5,546 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + 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=26713463&loc=d3e16323-109275 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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