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Accrued Expenses and Other Current Liabilities (Tables)
3 Months Ended
Apr. 30, 2014
Disclosure Text Block Supplement [Abstract]  
Other Current Liabilities [Table Text Block] The components of accrued expenses and other current liabilities at April 30, 2014 and January 31, 2014 are as follows (amounts in thousands):

    April 30,
2014
    January 31,
2014
 
                 
Accrued utility charges   $ 2,242     $ 3,745  
Accrued payroll and related items     2,975       3,122  
Accrued real estate taxes     2,593       2,471  
Other     2,003       2,809  
Total   $ 9,813     $ 12,147