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Line of Credit and Note Receivable - Additional Information (Detail) (USD $)
 9 Months Ended
Nov. 02, 2013
Installment
Jan. 30, 2012
Credit Facilities [Line Items]    
Net sales price   $ 1,000,000
United States prime and interest commencement date Jan. 30, 2013  
Promissory note interest rate 6.00%  
Interest installments 16  
Revolving line of credit 600,000  
Extended revolving line of credit $ 288,000  
Revolving Credit Facility [Member]
    
Credit Facilities [Line Items]    
Line of credit facility maturity date Jan. 30, 2014  
Line of credit facility extended term 1 year  
Line of credit facility initial term 1 year  
Prime Rate [Member]
    
Credit Facilities [Line Items]    
Interest rate on outstanding credit balance 0.50%  
Prime Rate [Member] | Revolving Credit Facility [Member]
    
Credit Facilities [Line Items]    
Interest rate on outstanding credit balance 2.00%