General form of registration statement for all companies including face-amount certificate companies

Temporary Equity and Stockholders' Deficiency - Schedule of Fair Value Assumptions of Stock Option (Details)

v3.19.2
Temporary Equity and Stockholders' Deficiency - Schedule of Fair Value Assumptions of Stock Option (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Risk free interest rate 2.43% 2.56% 2.96% 2.06%
Expected term (years)   5 years    
Expected volatility 52.00% 43.50% 43.53% 42.30%
Expected dividends 0.00% 0.00% 0.00% 0.00%
Minimum [Member]        
Expected term (years) 3 years 7 months 6 days   3 years 7 months 6 days 3 years 6 months
Maximum [Member]        
Expected term (years) 5 years   5 years 4 years 6 months