Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies - Future Rental Payments Under Noncancelable Operating Leases (Detail)

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Commitments And Contingencies - Future Rental Payments Under Noncancelable Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Contingencies And Commitments [Line Items]  
2012 $ 154
2013 624
2014 641
2015 663
2016 691
2017 234
Total $ 3,007