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Significant Accounting Policies - Additional Information (Detail) - USD ($)
 12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Mar. 28, 2015
Significant Accounting Policies [Line Items]      
Depreciation of assets $ 31,000 $ 46,000 $ 59,000
Amounts receivable from credit card issuers $ 1,900,000 2,300,000  
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 $ 1,800,000 1,800,000  
Accumulated amortization of intangible assets $ 1,100,000 1,000,000  
Period of warranties 3 years    
Asset impairment charges $ 0 0 200,000
Reimbursement of advertising cost 2,600,000 2,700,000 2,900,000
Advertising and marketing expense 8,700,000 9,000,000 $ 9,500,000
Deferred operating lease liabilities 5,000,000 4,400,000  
Reclassifying deferred financing costs $ 1,100,000 $ 1,700,000  
Stock Options [Member]      
Significant Accounting Policies [Line Items]      
Outstanding 417,377 666,789 442,088
Warrants [Member]      
Significant Accounting Policies [Line Items]      
Outstanding 382,693 382,693 382,693
Cost of Goods Sold [Member]      
Significant Accounting Policies [Line Items]      
Foreign exchange gains (losses) $ (200,000) $ (300,000) $ (400,000)
Interest and Other Financial Costs [Member]      
Significant Accounting Policies [Line Items]      
Foreign exchange gains (losses) $ 100,000 $ (200,000) $ (500,000)
Maximum [Member]      
Significant Accounting Policies [Line Items]      
Product return, Days 90 days    
Consumer credit receivable charges 10.99%    
Minimum [Member]      
Significant Accounting Policies [Line Items]      
Product return, Days 10 days    
Consumer credit receivable charges 0.00%