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Leases (Details Textual) - USD ($)
$ in Thousands
Jun. 30, 2019
Jan. 01, 2019
Leases (Textual)    
Lease liabilities $ 1,533  
Operating leases weighted average remaining lease term 3 years 3 months 19 days  
Weighted average discount rate 5.00%  
ASU 2016-02 [Member]    
Leases (Textual)    
Recorded ROU assets   $ 1,573
Lease liabilities   $ 1,619