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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2017
Goodwill and Other Intangible Assets [Abstract]  
Schedule of other intangible assets
    December 31,  
    2017     2016  
    Gross           Gross        
    Carrying     Accumulated     Carrying     Accumulated  
    Amount     Amortization     Amount     Amortization  
Technology platform     2,865       2,568       4,190       2,433  
Customer relationships     2,460       2,093       2,460       1,404  
Trademarks and trade names     680       469       680       393  
      6,005       5,130       7,330       4,230  
Accumulated amortization     5,130               4,230          
Impairment loss on technology platform     -               1,065          
Net book value of amortizable intangible assets     875               2,035          
Schedule of estimated amortization
Year ending December 31, 2017   
2018 $739 
2019  76 
2020  60