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Leases (Details 6) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Less current portion $ (552) $ (570)
Capital [Member]    
2019   602
2020   616
2021   502
2022   39
Total minimum payments required   1,759
Less amount representing interest   (56)
Present value of net minimum lease payments   1,703
Less current portion   (570)
Total   1,133
Operating [Member]    
2019   457
2020   89
2021   3
2022  
Total minimum payments required   549
Less amount representing interest  
Present value of net minimum lease payments  
Less current portion  
Total