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Discounted Operations (Tables)
6 Months Ended
Jul. 31, 2013
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Below is a table reflecting certain items of the Consolidated Condensed Statements of Operations that were reclassified as discontinued operations for the periods indicated (amounts in thousands):

    Three Months Ended
July 31,
    Six Months Ended
July 31,
 
    2013     2012     2013     2012  
    (In Thousands)  
       
Net sales and revenue   $ 173     $ 518     $ 432     $ 1,115  
Cost of sales     14       210       37       350  
                                 
Income before income taxes     70       136       233       400  
Provision for income taxes     (27 )     (59 )     (91 )     (166 )
Income from discontinued operations, net of tax   $ 43     $ 77     $ 142     $ 234  
Gain on disposal   $ 2     $ 99     $ 217     $ 88  
Provision for income taxes     (1 )     (42 )     (85 )     (36 )
Gain on disposal of discontinued operations, net of tax   $ 1     $ 57     $ 132     $ 52