XML 13 R69.htm IDEA: XBRL DOCUMENT v3.19.3
Commitments and Contingencies - Schedule of Future Minimum Rental Payments Required under Operating Leases (Detail)
Dec. 31, 2018
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
2019 $ 320
2020 143
2021 97
2022 34
2023 & thereafter 0
Total $ 594