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Nature of Operations, Segment Reporting and Geographical Information (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 31, 2013 | Jan. 31, 2012
Summary of selected financial information by geographic area |  |
Net Sales | $ 61,224 | $ 60,724
Long-Lived Assets | 7,788 | 8,213
United States [Member] |  |
Summary of selected financial information by geographic area |  |
Net Sales | 44,613 | 43,570
Long-Lived Assets | 6,741 | 7,073
Europe [Member] |  |
Summary of selected financial information by geographic area |  |
Net Sales | 12,324 | 12,914
Long-Lived Assets | 609 | 646
Canada [Member] |  |
Summary of selected financial information by geographic area |  |
Net Sales | 2,136 | 2,074
Long-Lived Assets | 438 | 494
Asia [Member] |  |
Summary of selected financial information by geographic area |  |
Net Sales | 910 | 1,050
Central and South America [Member] |  |
Summary of selected financial information by geographic area |  |
Net Sales | 752 | 610
Other [Member] |  |
Summary of selected financial information by geographic area |  |
Net Sales | $ 489 | $ 506

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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 Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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=6880815&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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