Stock Options - Options Granted Under The Stock Option Plan Exercisable In Canadian Dollars And U.S Dollars (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares	Dec. 31, 2019 $ / shares shares	Dec. 31, 2018 $ / shares shares	Dec. 31, 2018 $ / shares shares
Weighted Average Exercise Price Outstanding and Exercisable at Beginning	$ 0.00		$ 0.00
Weighted- Average Exercised		$ 1.71
Weighted Average Exercise Price Outstanding and Exercisable at Ending | (per share)		$ 0.00	$ 0.00
Canadian Dollar [Member]
Number of Options Outstanding and Exercisable at Beginning | shares	(648,000)	(648,000)	712,000	712,000
Number of Options Exercised | shares			(64,000)	(64,000)
Number of Options Outstanding and Exercisable at Ending | shares	648,000	648,000	(648,000)	(648,000)
Outstanding and Exercisable Range		$ 2.43
Outstanding and Exercisable Range		$ 2.43		$ 2.43
Weighted Average Exercise Price Outstanding and Exercisable at Beginning	$ 2.43		$ 2.38
Weighted- Average Exercised			1.83
Weighted Average Exercise Price Outstanding and Exercisable at Ending	$ 2.43		$ 2.43
Canadian Dollar [Member] | Minimum [Member]
Outstanding and Exercisable Range				1.89
Exercised Range				1.89
Canadian Dollar [Member] | Maximum [Member]
Outstanding and Exercisable Range				$ 2.43
Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Exercise Price. | shares			2.43	2.43
Currency, U.S. Dollar [Member]
Number of Options Outstanding and Exercisable at Beginning | shares	1,850,000	1,850,000	1,603,000	1,603,000
Number of Options Granted | shares	590,000	590,000	305,000	305,000
Number of Options Exercised | shares			(58,000)	(58,000)
Number of Options Outstanding and Exercisable at Ending | shares	2,440,000	2,440,000	1,850,000	1,850,000
Weighted Average Exercise Price Outstanding and Exercisable at Beginning		$ 3.80		$ 2.70
Weighted- Average Granted		4.83		9.23
Weighted- Average Exercised				2.06
Weighted Average Exercise Price Outstanding and Exercisable at Ending		$ 3.59		3.80
Currency, U.S. Dollar [Member] | Minimum [Member]
Number of Options Granted | shares	4.26	4.26
Outstanding and Exercisable Range		$ 0.45		0.45
Granted Range				8.38
Exercised Range				1.05
Outstanding and Exercisable Range		0.45		0.45
Currency, U.S. Dollar [Member] | Maximum [Member]
Outstanding and Exercisable Range		12.59		10.10
Granted Range		5.91		12.59
Exercised Range				3.67
Outstanding and Exercisable Range		$ 12.59		$ 12.59