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Commitments and Contingencies - Future Minimum Rental Payments under Non-cancellable Operating Leases (Detail)
$ in Thousands
Mar. 31, 2016
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
Remainder of 2016 $ 658
2017 758
2018 229
2019 207
2020 213
2021 and thereafter 408
Operating leases, Total $ 2,473