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Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Commitments and Contingencies (Textual)    
Lease expiration date Jan. 31, 2024  
Lease costs $ 190 $ 58
Cash paid $ (188) $ (107)
Weighted average remaining lease term 3 years 8 months 26 days  
Weighted average discount rate 6.50%