Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Future Minimum Annual Payments Under Non-Cancelable Operating Leases, Other Obligations and Inventory Purchase Obligations (Detail)

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Commitments and Contingencies - Future Minimum Annual Payments Under Non-Cancelable Operating Leases, Other Obligations and Inventory Purchase Obligations (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Commitment And Contingencies [Line Items]  
Other Obligations 2013 $ 2,295
Other Obligations 2014 323
Other Obligations 2015 175
Other Obligations 2016   
Other Obligations 2017   
Total minimum annual payments 2,793
Operating Leases 2013 1,307
Operating Leases 2014 846
Operating Leases 2015 387
Operating Leases 2016 142
Operating Leases 2017   
Total minimum annual payments 2,682
Inventory Purchase Obligations 2013 3,898
Inventory Purchase Obligations 2014   
Inventory Purchase Obligations 2015   
Inventory Purchase Obligations 2016   
Inventory Purchase Obligations 2017   
Total minimum annual payments $ 3,898