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Leases (Details) - Schedule of supplemental balance sheet information - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Operating leases |  |  |
Operating lease right-of-use assets |  | $ 584 | $ 919
Current portion of operating lease obligations |  | 425 | 504
Operating lease liabilities, net of current portion |  | 117 | 377
Total operating lease liabilities |  | 542 | 881
Finance leases |  |  |
Property and equipment, at cost |  | 3,463 | 3,806
Accumulated depreciation |  | (3,199) | (2,941)
Property and equipment, net |  | 264 | 865
Current portion of finance lease obligations |  | 258 | 769
Finance lease liabilities, net of current portion |  | 65 | 95
Total finance lease liabilities |  | $ 323 | $ 864
Weighted-Average Remaining Lease Term |  |  |
Operating leases |  | 1 year 7 months 6 days |
Finance leases |  | 1 year |
Weighted-Average Discount Rate |  |  |
Operating leases | [1] | 5.00% |
Finance leases |  | 2.00% |
[1] | Upon adoption of the new lease standard, discount rates used for existing leases were established at January 1, 2019.

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