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9. Intangible Assets (Details) - Schedule of Finite-Lived Intangible Assets - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2016 | Aug. 02, 2015 | Jul. 31, 2016 | Aug. 02, 2015
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Balance at January 31, 2016 |  |  | $ 0 |
Intangibles- HMI acquisition |  |  | 16,400 |
Amortization | $ (813) | $ 0 | (2,467) | $ 0
Balance at July 31, 2016 | 13,933 |  | 13,933 |
Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Balance at January 31, 2016 |  |  | 0 |
Intangibles- HMI acquisition |  |  | 14,400 |
Amortization |  |  | (661) |
Balance at July 31, 2016 | 13,739 |  | 13,739 |
Order or Production Backlog [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Balance at January 31, 2016 |  |  | 0 |
Intangibles- HMI acquisition |  |  | 1,800 |
Amortization |  |  | (1,800) |
Balance at July 31, 2016 | 0 |  | 0 |
Trademarks [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Balance at January 31, 2016 |  |  | 0 |
Intangibles- HMI acquisition |  |  | 200 |
Amortization |  |  | (6) |
Balance at July 31, 2016 | $ 194 |  | $ 194 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount after 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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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References No definition available. + Details
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