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Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments under Operating and Financing Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financing Leases
2021	$ 10
2022
2023
2024
2025
Thereafter
Total minimum lease payments	10
Less: amount representing interest
Present value of obligations under leases	10
Finance lease obligation - current	10	$ 120
Financing lease liabilities, noncurrent		8
Operating Leases
2021	183
2022	123
2023	100
2024	106
2025	108
Thereafter	233
Total minimum lease payments	853
Less: amount representing interest	(202)
Present value of obligations under leases	651
Less: current portion	(123)	(147)
Noncurrent operating lease liability	$ 528	$ 646

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