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8. Intangible Assets (Details) - USD ($) $ in Millions | Oct. 29, 2017 | Jan. 29, 2017
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Disclosure Text Block [Abstract] |  |
Finite-Lived Intangible Assets, Accumulated Amortization | $ 4.4 | $ 3.1

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + 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)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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