Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Schedule of Future Minimum Capital Lease Payments (Detail)

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Commitments and Contingencies - Schedule of Future Minimum Capital Lease Payments (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2019 $ 33
2020 21
Total future minimum capital lease payments 54
Less amount representing interest (4)
Total capital lease obligations 50
Current portion of lease obligations (33)
Capital lease obligations, non-current portion $ 17