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Business Description, Basis of Presentation and Significant Accounting Policies - Summary of Significant Accounting Policies (Policies)
6 Months Ended
Jun. 30, 2013
Accounting Policies [Abstract]  
Warranty Costs
Warranty Costs – The Company accrues for warranty costs based on estimated warranty return rates and estimated costs to repair. Factors that affect the Company’s warranty liability include the number of units sold, historical and anticipated rates of warranty returns, and repair cost. The Company reviews the adequacy of its recorded warranty accrual on a quarterly basis.