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Significant Accounting Policies - Additional Information (Detail) (USD $)
 12 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Mar. 26, 2011
Significant Accounting Policies [Line Items]      
Depreciation of assets $ 208,000 $ 279,000 $ 521,000
Amounts receivable from credit card issuers 1,900,000 1,900,000  
Accounts receivable periods 30 days    
Amortization method of intangible assets Trademarks and tradenames are amortized using the straight-line method over a period of 15 to 20 years    
Intangible assets 1,700,000 1,600,000  
Accumulated amortization of intangible assets 700,000 600,000  
Period of warranties 3 years    
Asset impairment charge 0 0 0
Reimbursement of advertising cost 2,900,000 2,900,000 2,900,000
Advertising and marketing expense 10,800,000 9,900,000 8,000,000
Stock options [Member]
      
Significant Accounting Policies [Line Items]      
Outstanding 232,821 230,694 547,326
Warrants [Member]
      
Significant Accounting Policies [Line Items]      
Outstanding 382,693 382,693 382,693
Stock appreciation rights [Member]
      
Significant Accounting Policies [Line Items]      
Outstanding     21,737
Cost of goods sold [Member]
      
Significant Accounting Policies [Line Items]      
Gains (losses) on foreign exchange 100,000 (300,000) 400,000
Interest and other financial costs [Member]
      
Significant Accounting Policies [Line Items]      
Gains (losses) on foreign exchange $ (174,000) $ (113,000) $ 12,000
Maximum [Member]
      
Significant Accounting Policies [Line Items]      
Product return, Days 90 days    
Consumer credit receivable charges 18.00%    
Minimum [Member]
      
Significant Accounting Policies [Line Items]      
Product return, Days 10 days    
Consumer credit receivable charges 7.90%