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Commitments and Contigencies (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Loss Contingency Accrual, at Carrying Value $ 5,000,000    
Licensing Agreements Due Next Five Years 23,200,000    
Licensing Agreements Due Five Years or More 800,000    
Operating Leases, Rent Expense 3,500,000 3,200,000 3,200,000
Operating Leases, Future Minimum Payments Due, Current 2,817,000    
Advertising Obligations due within one year 171,000    
Total Operating Leases and Advertising Obligations, Current 2,988,000    
Operating Leases, Future Minimum Payments, Due in Two Years 2,537,000    
Advertising Obligations Due Within Two Years 0    
Total Operating Leases and Advertising Obligations, due in two years 2,537,000    
Operating Leases, Future Minimum Payments, Due in Three Years 2,330,000    
Advertising Obligations Due Within Three Years 0    
Total Operating Leases and Advertising Obligations, due within three years 2,330,000    
Operating Leases, Future Minimum Payments, Due in Four Years 2,165,000    
Adverstising Obligations Due Within Four Years 0    
Total Operating Leases and Advertising Obligations, due within four years 2,165,000    
Operating Leases, Future Minimum Payments, Due in Five Years 580,000    
Advertsing Obligations Due Within Five Years 0    
Total Operating Leases and Advertising Obligations, due within five years 580,000    
Operating Leases, Future Minimum Payments Due 10,429,000    
Adverstising Obligations, Future Amounts Due 171,000    
Operating Leases and Advertising Obligations, future amounts due $ 10,600,000    
Minimum [Member]
     
Lease, Remaining Term 8 months    
Maximum [Member]
     
Lease, Remaining Term 68 months