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Commitments and Contingencies (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Aug. 10, 2017
Mar. 31, 2019
Mar. 31, 2018
Operating lease expiration description   Expiration dates between 2019 and 2025  
Security deposits   $ 36  
Operating lease weighted-average remaining lease term   5 years 6 months  
Operating lease weighted-average discount rate   3.00%  
Rent expense   $ 100 $ 200
Loss contingency, damages sought, value $ 1,000    
Minimum [Member]      
Lessee leasing arrangements operating leases term of each option to extend   5 years  
Maximum [Member]      
Lessee leasing arrangements operating leases term of each option to extend   10 years