Capital Stock - Warrants Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Mar. 31, 2021
Number of Warrants (in thousands)
Warrants outstanding and exercisable, Beginning (in shares)	72
Granted (in shares)	1,147
Exercised (in shares)	(72)
Warrants outstanding and exercisable, Ending (in shares)	1,147
Warrants outstanding and exercisable, Ending (in shares)	1,147	1,147
Weighted Average Exercise Price
Warrants outstanding and exercisable, Beginning (in dollars per share)	$ 0.01
Granted, (in dollars per share)	4.85
Exercised, (in dollars per share)	0.01
Warrants outstanding and exercisable, Ending (in dollars per share)	4.85
Warrants outstanding and exercisable, Ending (in dollars per share)	$ 4.85	$ 4.85