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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Lease Commitments for Operating Leases Future minimum lease commitments as of December 31, 2020 are as follows:
OperatingCapital
2021$685 $14 
2022755 
2023825 — 
2024895 — 
2025966 — 
Later years679 — 
Total minimum lease payments$4,805 $18 
Less amounts representing interest
Present value of minimum lease payments$15 
Future Minimum Lease Commitments for Capital Leases Future minimum lease commitments as of December 31, 2020 are as follows:
OperatingCapital
2021$685 $14 
2022755 
2023825 — 
2024895 — 
2025966 — 
Later years679 — 
Total minimum lease payments$4,805 $18 
Less amounts representing interest
Present value of minimum lease payments$15