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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jul. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract] |
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 |
July 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 2.5 |  | years |  | $ | 14,273 |  |  | $ | (14,273 | ) |  | $ | — |
Trade name and other |  |  | 6.9 |  | years |  |  | 1,201 |  |  |  | (1,100 | ) |  |  | 101 |
Intangibles, net |  |  |  |  |  |  | $ | 15,474 |  |  | $ | (15,373 | ) |  | $ | 101 |
January 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 2.5 |  | years |  | $ | 14,273 |  |  | $ | (13,908 | ) |  | $ | 365 |
Trade name and other |  |  | 6.9 |  | years |  |  | 1,201 |  |  |  | (1,023 | ) |  |  | 178 |
Intangibles, net |  |  |  |  |  |  | $ | 15,474 |  |  | $ | (14,931 | ) |  | $ | 543 |
(1) | From the date of acquisition

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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=66006027&loc=d3e16265-109275 + Details
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