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Leases (Future Minimum Lease Payments Applicable to Operating and Finance Leases) (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Operating Leases  
2022 $ 315
2023 222
2024 126
2025 14
2026 7
Total minimum lease payments 684
Less amounts representing interest (23)
Present value of minimum lease payments $ 661
Operating Lease, Liability us-gaap:OtherLiabilities
Less current obligations $ (310)
Operating Lease, Liability, Current Other current liabilities
Total long-term lease obligations, net $ 351
Operating Lease, Liability, Noncurrent Other long-term liabilities
Weighted-average remaining lease term 2 years 6 months
Finance Leases  
2022 $ 313
2023 241
2024 224
2025 93
Total minimum lease payments 871
Less amounts representing interest (88)
Present value of minimum lease payments $ 783
Finance Lease, Liability us-gaap:OtherLiabilities
Less current obligations $ (249)
Finance Lease, Liability, Current us-gaap:DebtCurrent
Total long-term lease obligations, net $ 534
Operating Lease, Liability, Noncurrent us-gaap:LongTermDebtNoncurrent
Weighted-average remaining lease term 2 years 8 months 12 days