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4. Accounts Receivable (Details) - Schedule of Accounts, Notes, Loans and Financing Receivable - USD ($)
$ in Thousands
Jul. 29, 2018
Jan. 28, 2018
Schedule of Accounts, Notes, Loans and Financing Receivable [Abstract]    
Trade accounts receivable $ 88,842 $ 98,592
Other accounts receivable allowances (4,429) (5,117)
Allowance for doubtful accounts (829) (1,014)
Accounts receivable $ 83,584 $ 92,461