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Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments under Operating and Financing Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Leases
Remaining 2021	$ 3
Total minimum lease payments	3
Present value of obligations under leases	3
Less: current portion	(3)
Financing lease liabilities, noncurrent	3
Operating Leases
Remaining 2021	134
2022	123
2023	100
2024	106
2025	108
Thereafter	233
Total minimum lease payments	804
Less: amount representing interest	(188)
Present value of obligations under leases	616
Less: current portion	(113)	$ (123)
Noncurrent operating lease liability	$ 503	$ 528

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