v3.19.1

Recent Accounting Pronouncements - Schedule of Maturities of Operating Lease Liabilities (Detail) $ in Thousands	Mar. 31, 2019 USD ($)
Leases [Abstract]
2019 (remaining nine months)	$ 1,183
2020	1,290
2021	1,160
2022	835
2023	829
Thereafter	1,593
Total lease payments	6,890
Less: interest	2,544
Total	4,346
Less: current portion	867
Long-term portion	$ 3,479

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