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Accrued Expenses and Other Current Liabilities (Tables)
 9 Months Ended
Oct. 31, 2016
Disclosure Text Block Supplement [Abstract]  
Other Current Liabilities [Table Text Block] The components of accrued expenses and other current liabilities are as follows for the periods presented (amounts in thousands):

   October 31,
2016		   January 31,
2016		 
         
Accrued utility charges  $1,947   $2,094 
Accrued payroll and related items   2,884    3,760 
Accrued income taxes   3,187    — 
Accrued real estate taxes   1,188    2,564 
Other   1,669    1,005 
Total  $10,875   $9,423