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Stock-Based Compensation (Details 1) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Number of options awarded to purchase common shares 10,000 25,000 10,000 105,750
Risk-free interest rate     1.50%  
Risk-free interest rate, minimum       2.60%
Risk-free interest rate, maximum       2.80%
Expected volatility     100.30%  
Expected volatility, minimum       149.30%
Expected volatility, maximum       154.30%
Expected life of options from the date of grant     9 years 9 months 18 days 9 years 9 months 18 days