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Nature of Operations, Segment Reporting and Geographical Information - Summary of Selected Financial Information by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Jan. 31, 2014 | Jan. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net Sales | $ 68,592 | $ 61,224
Long-Lived Assets | 10,992 | 7,788
United States [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net Sales | 48,679 | 44,613
Long-Lived Assets | 10,115 | 6,741
Europe [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net Sales | 14,909 | 12,324
Long-Lived Assets | 538 | 609
Canada [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net Sales | 2,569 | 2,136
Long-Lived Assets | 339 | 438
Asia [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net Sales | 1,167 | 910
Central and South America [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net Sales | 908 | 752
Other [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net Sales | $ 360 | $ 489

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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