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Accrued Expenses and Other Current Liabilities (Details) - Schedule of accrued expenses and other current liabilities - USD ($)
$ in Thousands
Oct. 31, 2015
Jan. 31, 2015
Schedule of accrued expenses and other current liabilities [Abstract]    
Accrued utility charges $ 1,775 $ 3,085
Accrued payroll and related items 3,364 3,798
Accrued income taxes 1,751  
Accrued real estate taxes 1,089 2,507
Other 1,210 957
Total $ 9,189 $ 10,347