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Software Development Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Software Development Costs [Abstract]        
Economic life of product     3 years  
Additions $ 59 $ 55 $ 88 $ 186
Capitalized software amortization $ 117 $ 104 $ 234 $ 185