Annual report pursuant to Section 13 and 15(d)

Temporary Equity and Stockholders' Deficiency - Schedule of Share-based Compensation, Shares Outstanding Under Stock Option Plans, by Exercise Price Range (Details)

v3.19.1
Temporary Equity and Stockholders' Deficiency - Schedule of Share-based Compensation, Shares Outstanding Under Stock Option Plans, by Exercise Price Range (Details)
 12 Months Ended
Dec. 31, 2018
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Outstanding Number of Options 9,499,265
Options Exercisable, Weighted Exercise Average Remaining Life In Years 1 year 3 months 19 days
Options Exercisable, Exercisable Number of Options 5,232,035
Exercise Price Range 0.54 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 0.54
Options Outstanding, Outstanding Number of Options 1,500,000
Options Exercisable, Weighted Exercise Average Remaining Life In Years 0 years
Options Exercisable, Exercisable Number of Options 0
Exercise Price Range 0.77 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 0.77
Options Outstanding, Outstanding Number of Options 1,320,000
Options Exercisable, Weighted Exercise Average Remaining Life In Years 0 years
Options Exercisable, Exercisable Number of Options 0
Exercise Price Range 1.10 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 1.10
Options Outstanding, Outstanding Number of Options 1,370,000
Options Exercisable, Weighted Exercise Average Remaining Life In Years 3 years 10 months 25 days
Options Exercisable, Exercisable Number of Options 342,500
Exercise Price Range 2.20 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 2.20
Options Outstanding, Outstanding Number of Options 3,071,890
Options Exercisable, Weighted Exercise Average Remaining Life In Years 1 year 6 months
Options Exercisable, Exercisable Number of Options 2,679,160
Exercise Price Range 2.48 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 2.48
Options Outstanding, Outstanding Number of Options 2,237,375
Options Exercisable, Weighted Exercise Average Remaining Life In Years 8 months 12 days
Options Exercisable, Exercisable Number of Options 2,210,375