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Nature of Operations, Segment Reporting and Geographical Information - Net Sales and Segment Operating Profit for Each Reporting Segment (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 31, 2014 | Jan. 31, 2013
Segment Reporting Information [Line Items] |  |
Net Sales | $ 68,592 | $ 61,224
Segment Operating Profit | 7,809 | 7,489
Product Replacement Costs | 672 |
Segment Operating Profit % of Net Sales | 11.40% | 12.20%
Corporate Expenses | 5,604 | 4,563
Operating Income | 1,533 | 2,926
Other Expense | 121 | 41
Income from Continuing Operations before Income Taxes | 1,412 | 2,885
Income Tax Provision for Continuing Operations | 175 | 847
Income from Continuing Operations | 1,237 | 2,038
Income from Discontinued Operations, Net of Taxes | 1,975 | 8,729
Net Income | 3,212 | 10,767
T&M [Member] |  |
Segment Reporting Information [Line Items] |  |
Net Sales | 19,527 | 17,636
Segment Operating Profit | 2,655 | 3,109
Segment Operating Profit % of Net Sales | 13.60% | 17.60%
QuickLabel [Member] |  |
Segment Reporting Information [Line Items] |  |
Net Sales | 49,065 | 43,588
Segment Operating Profit | $ 5,154 | $ 4,380
Segment Operating Profit % of Net Sales | 10.50% | 10.00%

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