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Leases (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Leases [Abstract]        
Operating lease cost $ 64 $ 31 $ 180 $ 61
Weighted average remaining lease term 4 years 6 months 14 days   4 years 6 months 14 days  
Weighted average discount rate 1.77%   1.77%