Shareholders Equity - Share Capital (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares	Dec. 31, 2018 $ / shares
Components of share capital:
Common Stock, No Par Value	$ 0	$ 0
Preferred Stock, No Par Value	$ 0
NCIB Program
Components of share capital:
Buyback and retirement of common shares | shares	57,100
Shares repurchased average price (in dollars per share)	$ 4.26
Average share price, converted to US$ using rate	1.33
Average share price on the TSX	$ 4.22	$ 3.98