Capital Stock - Warrants Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Mar. 31, 2022	Dec. 06, 2020	Oct. 21, 2020
Number of Warrants (in thousands)
Warrants outstanding and exercisable, Beginning (in shares)	1,146,500
Granted (in shares)	4,000,000
Warrants outstanding and exercisable, Ending (in shares)	5,146,500
Warrants outstanding and exercisable, Ending (in shares)	5,146,500	5,146,500
Weighted Average Exercise Price
Warrants outstanding and exercisable, Beginning (in dollars per share)	$ 4.85
Granted, (in dollars per share)	4.30
Warrants outstanding and exercisable, Ending (in dollars per share)	4.42
Warrants outstanding and exercisable, Ending (in dollars per share)	$ 4.42	$ 4.42	$ 5.49	$ 4.08