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Financial Instruments (Details 4)
12 Months Ended
Dec. 31, 2019
$ / shares
Disclosure of detailed information about financial instruments [line items]  
Dividend yield 0.00%
Bottom of range [Member]  
Disclosure of detailed information about financial instruments [line items]  
Expected volatility 63.02%
Risk-free interest 1.69%
Exercise price $ 3.45
Expected life 4 years 10 months 21 days
Top of range [Member]  
Disclosure of detailed information about financial instruments [line items]  
Expected volatility 65.22%
Risk-free interest 1.71%
Exercise price $ 4.00
Expected life 5 years 6 months 7 days