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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Oct. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies (Textual)      
Net rent expense under operating leases   $ 35 $ 418
Overdue rent payments $ 175