Quarterly report pursuant to Section 13 or 15(d)

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)

v3.19.1
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)
3 Months Ended
Mar. 31, 2019
$ / shares
Options Granted to Employees [Member]  
Value of one common share $ 5.07
Dividend yield 0.00%
Expected stock price volatility 91.25%
Risk free interest rate 2.47%
Expected term (years) 5 years 6 months 22 days
Options Granted to Non- Employees [Member]  
Value of one common share $ 5.07
Dividend yield 0.00%
Expected stock price volatility 91.77%
Risk free interest rate 2.62%
Expected term (years) 10 years
Options Granted to employees of Masthercell Global for the purchase of shares in Masthercell Global [Member]  
Value of one common share $ 12.28
Dividend yield 0.00%
Expected stock price volatility 69.00%
Risk free interest rate 2.78%
Expected term (years) 7 years