Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Maturities of Lease Liabilities (Detail)

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Leases - Schedule of Maturities of Lease Liabilities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
2022 $ 583  
2023 577  
2024 587  
2025 563  
2026 and thereafter 367  
Total operating lease liability 2,676  
Less imputed interest (650) $ (650)
Total lease liabilities 2,026 2,026
Current operating lease liabilities 340 305
Non current operating lease liability $ 1,686 $ 1,774