XML 47 R35.htm IDEA: XBRL DOCUMENT v3.19.1
Summary of Future Lease Payments under Non-cancelable Leases (Detail)
Mar. 31, 2019
USD ($)
Operating Lease Liabilities Payments Due [Abstract]  
Remaining in 2019 $ 423
2020 578
2021 596
2022 613
2023 209
Total future minimum lease payments 2,419
Less imputed interest (283)
Total lease liability $ 2,136