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Summary of Significant Accounting Policies (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Stock-based compensation charges    
Compensation and related benefits $ 949 $ 909
Professional and legal fees 545 301
Acquisition transaction costs 7
Interest expense 316
Totals $ 1,494 $ 1,533