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Income Taxes - Reconciliation of Income Tax Provision Computed at Statutory Rates (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Statutory tax rate	21.00%	21.00%
Net loss before income taxes	$ 14,130	$ 9,781
Expected income tax recovery	(2,967)	(2,054)
Increase (decrease) in income tax recovery resulting from:
Derivative liability	(1)	(2,964)
Share based payments	415	949
Other permanent difference	(21)	(213)
Foreign income taxed at foreign rate	(97)	(99)
Increase in valuation allowance	2,671	4,381
Income tax expense	$ 0	$ 0

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