Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		2018		2017
Technology license (net of accumulated amortization of $731 (2017- $531))	$	1,270	$	1,470
Environmental compliance approvals-indefinite life- $182,700 CAD		133,919		145,630
	$	135,189	$	147,100