Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment and Leased Facilities and Equipment - Schedule of Minimum Future Rental Payments (Details)

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Property, Plant and Equipment and Leased Facilities and Equipment - Schedule of Minimum Future Rental Payments (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Property Plant And Equipment [Abstract]  
2021 $ 726
2022 737
2023 653
2024 564
2025 219
Total lease payments 2,899
Less: interest (278)
Present value of lease liabilities $ 2,621
Operating Lease, Liability, Statement of Financial Position [Extensible List] us-gaap:Liabilities