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Stock based compensation (Disclosure of detailed information about number and weighted average remaining contractual life of outstanding share options) (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
Years
Dec. 31, 2020
Years
Disclosure of terms and conditions of share-based payment arrangement [abstract]    
Fair value of options granted | $ $ 2.21  
Risk-free interest rate 1.27% 0.00%
Average forfeiture rate 0.00% 0.00%
Expected life (years) | Years 5.72 0
Expected share price volatility 71.62% 0.00%
Expected dividend yield 0.00% 0.00%