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Discontinued Operations (Tables)
6 Months Ended
Jul. 31, 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     Six Months Ended  
    July 31,     July 31,  
    2014     2013     2014     2013  
                                 
Net sales and revenue   $     $ 500     $     $ 1,082  
Cost of sales     (3 )     214       (18 )     451  
                                 
Income before income taxes     3       197       18       468  
Provision for income taxes     (1 )     (77 )     (7 )     (183 )
Income from discontinued operations, net of tax   $ 2     $ 120     $ 11     $ 285  
Gain on disposal   $ 8     $ 2     $ 8     $ 217  
Provision for income taxes     (3 )     (1 )     (3 )     (85 )
Gain on disposal of discontinued operations, net of tax   $ 5     $ 1     $ 5     $ 132