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Stockholders' Equity (Details 1) - Employee Stock Option [Member]
12 Months Ended
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected life 6 years 2 months 12 days
Weighted average volatility 70.00%
Forfeiture rate 15.00%
Weighted average risk-free interest rate 2.74%
Expected dividend rate 0.00%