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Stock Options (Details 1) - Employee Stock Option [Member] - $ / shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted average fair value of options granted (in dollars per share) $ 0.64 $ 0
Risk-free interest rate 2.55% 0.00%
Expected life (years)   0 years
Expected volatility factor   0.00%
Expected dividends 0.00% 0.00%
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected life (years) 6 years  
Expected volatility factor 45.00%