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Commitments and Contingencies - Present Value of Net Minimum Lease Payments, Capital Leases (Detail)
$ in Thousands
Mar. 31, 2017
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2017 $ 78
2018 104
2019 87
2020 47
Thereafter 47
Total minimum payments required: 363
Less amount representing interest: 27
Present value of net minimum lease payments: $ 336