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Future Minimum Lease Payments (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Operating  
2014 $ 828
2015 662
2016 675
2017 687
2018 172
Total 3,024
Capital  
2014 6
2015 4
2016   
2017   
2018   
Total 10
Less: interest   
Total principal obligations 10
Less: current portion 6
Long-term capital lease $ 4