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Present value of the net minimum lease payments - Operating Leases [Member] - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Lessee, Lease, Description [Line Items]    
2020 $ 64 $ 47
2021 250 192
2022 199 195
2023 148 197
2024 129 200
Thereafter 623 1,980
Total future minimum lease payments 1,413 2,811
  (200) (1,126)
Less amount representing interest 200 1,126
Total present value of net future minimum lease payments $ 1,213 $ 1,685