Financial instruments and financial risk management - Schedule of Fair Value Measurements With in the Fair Value Hierarchy of The Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Liabilities:
Derivative liability	$ 3,502	$ 5,807
Total liabilities	3,502	5,807
Fair Value, Inputs, Level 1 [Member]
Liabilities:
Derivative liability	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 2 [Member]
Liabilities:
Derivative liability	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 3 [Member]
Liabilities:
Derivative liability	3,502	5,807
Total liabilities	$ 3,502	$ 5,807