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Variable Interest Entities (Tables)
12 Months Ended
Jan. 31, 2013
Variable Interest Entities [Abstract]  
Consolidated statement of balance sheets
                 
    2013     2012  

Cash and cash equivalents

  $ 190,000     $ 75,000  

Property, plant and equipment

    5,309,000       1,469,000  
   

 

 

   

 

 

 

Total assets

  $ 5,499,000     $ 1,544,000  
   

 

 

   

 

 

 

Accounts payable

  $ 334,000     $ 27,000  

Accrued expenses

    747,000       224,000  
   

 

 

   

 

 

 

Total liabilities

  $ 1,081,000     $ 251,000