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Segment Reporting and Concentrations (Details 2) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets $ 16,103 $ 17,627
United States [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 4,481 5,321
Canada [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 6,892 6,888
United Kingdom [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 2,261 2,388
Philippines [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 1,192 1,446
India [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 846 1,042
Sri Lanka [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 383 504
Israel [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 46 36
Germany [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets 2 2
Foreign Countries [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long - lived assets $ 11,622 $ 12,306