Quarterly report pursuant to Section 13 or 15(d)

Leases - Future Minimum Rental Commitments Under Lease Agreements (Detail)

v3.19.1
Leases - Future Minimum Rental Commitments Under Lease Agreements (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Leases [Abstract]  
2019 $ 802
2020 313
2021 33
Total future minimum lease obligations $ 1,148