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Other Intangible Assets (Tables)
 6 Months Ended
Jul. 31, 2012
Other Intangible Assets [Abstract]  
Other than goodwill, Company's intangible assets
                                     
        July 31, 2012     January 31,  
    Estimated   Gross                 2012  
    Useful
Life		   Carrying
Amount		     Accumulated
Amortization		     Net
Amount		     Net
Amount		  

Trade name - GPS

   15 years   $ 3,643,000     $ (1,371,000 )    $ 2,272,000     $ 2,393,000  

Trade name - SMC

   Indefinite     181,000       —         181,000       181,000  
       

 

 

    

 

 

    

 

 

    

 

 

  

Other intangible assets, net

       $ 3,824,000     $ (1,371,000 )    $ 2,453,000     $ 2,574,000