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Discontinued Operations (Tables)
3 Months Ended
Apr. 30, 2014
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  
    April 30,  
      2014       2013  
                 
Net sales and revenue   $     $ 581  
Cost of sales     (91 )     227  
                 
Income before income taxes     91       280  
Provision for income taxes     (36 )     (109 )
Income from discontinued operations, net of tax   $ 55     $ 171  
Gain on disposal   $     $ 215  
Provision for income taxes           (84 )
Gain on disposal of discontinued operations, net of tax   $     $ 131