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Goodwill and Intangible Assets - Summary of Goodwill Activity (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
May. 04, 2015 | Jan. 31, 2016 | Jan. 31, 2015
Goodwill - Roll forward |  |  |
Beginning Balance |  | $ 11,242,000 | $ 8,081,000
Goodwill acquired |  |  | 3,161,000
Ending Balance |  | 14,301,000 | $ 11,242,000
Verold |  |  |
Goodwill - Roll forward |  |  |
Goodwill acquired | $ 2,600,000 | 2,644,000 |
Other |  |  |
Goodwill - Roll forward |  |  |
Goodwill acquired |  | $ 415,000 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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