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Leases - Supplemental Balance Sheet Information (Details) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Operating leases |  |
Operating lease right-of-use assets | $ 5,494,000 | $ 6,605,000
Operating lease liabilities - current | 1,109,000 | 1,200,000
Operating lease liabilities - long-term | 4,899,000 | 5,940,000
Total operating lease liabilities | 6,008,000 | 7,140,000
Finance leases |  |
Property and equipment, at cost | 8,663,000 | 8,663,000
Accumulated depreciation | (4,624,000) | (3,297,000)
Property and equipment, net | 4,039,000 | 5,366,000
Finance lease liabilities - current | 54,000 | 2,316,000
Finance lease liabilities - long-term | 44,000 | 96,000
Obligations under finance leases | $ 98,000 | $ 2,412,000
Weighted average remaining lease term: |  |
Operating leases | 5 years 7 months 6 days | 6 years 3 months 18 days
Finance leases | 1 year 7 months 6 days | 9 months 18 days
Weighted average discount rate: |  |
Operating leases | 5.04% | 5.04%
Finance leases | 5.00% | 4.67%

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