Quarterly report pursuant to Section 13 or 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)
 3 Months Ended
Mar. 31, 2019
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Outstanding Number of Options 10,549,265
Options Exercisable, Weighted Exercise Average Remaining Life In Years 1 year 2 months 12 days
Options Exercisable, Exercisable Number of Options 5,696,780
Exercise Price Range 0.39 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 0.39
Options Outstanding, Outstanding Number of Options 1,350,000
Options Exercisable, Weighted Exercise Average Remaining Life In Years 0 years
Options Exercisable, Exercisable Number of Options 0
Exercise Price Range 0.54 [Member]  
Share-based Payment Arrangement, Option, 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 Payment Arrangement, Option, 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 3 years 10 months 25 days
Options Exercisable, Exercisable Number of Options 330,000
Exercise Price Range 1.10 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 1.10
Options Outstanding, Outstanding Number of Options 1,070,000
Options Exercisable, Weighted Exercise Average Remaining Life In Years 3 years 7 months 6 days
Options Exercisable, Exercisable Number of Options 334,380
Exercise Price Range 2.20 [Member]  
Share-based Payment Arrangement, Option, 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 2 months 12 days
Options Exercisable, Exercisable Number of Options 2,813,025
Exercise Price Range 2.48 [Member]  
Share-based Payment Arrangement, Option, 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 4 months 24 days
Options Exercisable, Exercisable Number of Options 2,219,375