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Inventories
3 Months Ended
Apr. 30, 2013
Balance Sheet Related Disclosures [Abstract]  
Inventories [Text Block]

4. Inventories

 

Inventories consist primarily of hardware and related component parts and are stated at the lower of cost (on a first-in, first-out basis) or market. Inventories consist of the following:  

 

    April 30,     January 31,  
    2013     2013  
    (Amounts in thousands)  
             
Components and assemblies   $ 4,415     $ 4,162  
Finished products     3,397       3,210  
      Total inventory   $ 7,812     $ 7,372