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Summary of Significant Accounting Policies (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
e-Commerce
Dec. 31, 2013
e-Commerce
Mar. 31, 2013
Accrued Liabilities and Other
Reclassification of Accounts Payable to Accrued Liabilities and Other
Deferred Revenue Arrangement [Line Items]          
Accrued royalties included in accounts payable that have been reclassified to accrued and other liabilities         $ 1,000,000
Approximate average shipping time, minimum 1 day        
Approximate average shipping time, maximum 8 days        
Deferred revenue 2,358,000 2,828,000 1,200,000 1,600,000  
Deferred revenue related to gift certificates 1,200,000 1,200,000      
Right to return products (days) 90 days        
Reserves for returns $ 100,000 $ 500,000