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Leases (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Jan. 02, 2019
Initial measurement of operating lease liabilities         $ 3,458
Net of tenant improvement allowances         $ 2,336
Operating leases weighted-average remaining lease term 6 years 8 months 12 days   6 years 8 months 12 days    
Operating leases weighted-average discount rate lease 7.25%   7.25%    
Financing leases weighted-average remaining lease term 2 years 2 months 12 days   2 years 2 months 12 days    
Financing leases weighted-average discount rate lease 5.51%   5.51%    
Financing lease cost $ 10 $ 48 $ 32 $ 95  
Selling, General and Administrative Expenses [Member]          
Operating lease expense $ 135 $ 131 $ 270 $ 264