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Commitments and Contingencies - Present Value of Net Minimum Lease Payments, Capital Leases (Detail)
$ in Thousands
Jun. 30, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 29
2016 48
2017 49
2018 38
2019 28
2020 2
Total minimum payments required: 194
Less amount representing interest: 21
Present value of net minimum lease payments: $ 173