Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies and Nature of Operations - Additional Information (Detail)

v2.4.0.8
Summary of Significant Accounting Policies and Nature of Operations - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 0 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2012
Dec. 28, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 29, 2012
Sep. 29, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Dec. 28, 2013
Segment
Customer
Dec. 29, 2012
Dec. 31, 2011
Schedule Of Significant Accounting Policies [Line Items]                          
Decrease in revenue, percentage                     16.20% 7.00%  
Net loss   $ (1,325) $ (1,399) $ (9,567) $ (3,343) $ (30,783) $ (2,711) $ (1,696) $ (788)   $ (15,634) $ (35,978) $ (15,137)
Other than temporary impairment charges on investments                     0 0 0
Inventory   36,986       42,727         36,986 42,727  
Inventory in-transit   6,750       6,419         6,750 6,419  
Capitalized website and software development costs                     220 252 219
Impairment loss on property and equipment       4,832   1,960         4,832 1,960  
Impairment loss on intangible assets subject to amortization       1,245   1,745         0    
Excess carrying value over fair value 21,843                        
Impairment loss on goodwill           18,854           18,854  
Fair value inputs, discount rate                     14.50%    
Impairment loss on indefinite lived intangible assets           3,868       5,138      
Deferred catalog expenses on other current assets   485       714         485 714  
Catalog amortized period                     9 months    
Advertising revenue percentage                     1.00% 1.00% 2.00%
Credits for returned products                     24,618 30,420 30,117
Maximum percentage of sales by customers                     10.00%    
Number of major customers accounted for net sales                     0    
Freight and shipping expenses on cost of goods sold                     34,182 39,702 41,070
Limited warranty description                     The Company or the vendors supplying its products provide the Company's customers limited warranties on certain products that range from 30 days to lifetime.    
Standard product warranty useful life, minimum                     1 year    
Standard product warranty useful life, maximum                     5 years    
Extended product warranty description                     The product brands that include the extended warranty coverage are offered at three different service levels: (a) a five year unlimited product replacement, (b) a five year one-time product replacement, and (c) a three year one-time product replacement.    
Advertising costs                     16,619 21,068 28,445
The likeliness that the tax position will be realized upon ultimate settlement                     50.00%    
Unrecognized tax benefits, interest or penalties   0                 0    
Number of reportable segments                     2    
Number of reporting units                     2    
Total expenses incurred                     88,900 127,428 122,995
Total Assets for Auto MD related to capitalized website and software development costs   69,182       88,877         69,182 88,877  
Segment revenue   59,735 61,724 67,889 65,405 62,848 73,014 80,719 87,436   254,753 304,017 327,072
Auto MD [Member]
                          
Schedule Of Significant Accounting Policies [Line Items]                          
Net loss                     1,990 2,030  
Segment revenue                     331 350  
Trade names [Member]
                          
Schedule Of Significant Accounting Policies [Line Items]                          
Fair value inputs, discount rate                       15.00% 18.50%
Royalty rate                       0.10% 1.00%
Maximum [Member]
                          
Schedule Of Significant Accounting Policies [Line Items]                          
Original maturity of money market funds and short-term investments purchased                     90 days    
Website and Software Development [Member]
                          
Schedule Of Significant Accounting Policies [Line Items]                          
Capitalized website and software development costs                     8,150 9,142  
Capitalized website and software development cost amount   50,250       42,100         50,250 42,100  
Capitalized website and software development costs accumulated amortization and impairment amount   44,211       30,325         44,211 30,325  
Capitalized websites and software development costs impairment loss                     4,832 3,868  
Website and Software Development [Member] | Auto MD [Member]
                          
Schedule Of Significant Accounting Policies [Line Items]                          
Total expenses incurred                     2,321 2,379  
Total Assets for Auto MD related to capitalized website and software development costs   $ 2,143       $ 2,059         $ 2,143 $ 2,059  
Website and Software Development [Member] | Maximum [Member]
                          
Schedule Of Significant Accounting Policies [Line Items]                          
Capitalization amount amortized on straight line basis over a period                     3 years    
Website and Software Development [Member] | Minimum [Member]
                          
Schedule Of Significant Accounting Policies [Line Items]                          
Capitalization amount amortized on straight line basis over a period                     2 years