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Commitments and Contingencies - Summary of Future Minimum Payments and Operating Lease Obligations (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Commitments And Contingencies Disclosure [Abstract]  
2014 $ 498
2015 452
2016 592
2017 609
2018 373
Operating Leases, Future Minimum Payments Due, Total $ 2,524