Segmented information (Tables)

12 Months Ended

Dec. 31, 2018

Operating Segments [Abstract]

Revenue attributed to geographic regions

During the years ended December 31, 2018 and 2017, revenues attributed to geographic regions, based on the location of customers, were as follows:

Revenue	China		Europe		United States		South Korea		South America		Canada		Other Asia		TOTAL
2018	$	1,122,557	$	707,762	$	761,600	$	443,837	$	352,805	$	171,532	$	371,754	$	3,931,847
2017	$	801,838	$	608,668	$	570,482	$	347,896	$	279,270	$	167,436	$	285,052	$	3,060,642

As at December 31, 2018 and 2017, the net book value of property, plant and equipment by country was as follows:

Property, plant and equipment	United States		Egypt		New Zealand		Trinidad		Canada		Chile		Other		TOTAL
2018	$	1,407,693	$	680,730	$	314,281	$	142,045	$	126,488	$	132,494	$	221,364	$	3,025,095
2017	$	1,412,394	$	720,397	$	265,153	$	155,525	$	148,420	$	107,495	$	188,942	$	2,998,326