Intangible assets - computer software

12 Months Ended

Dec. 31, 2018

Statements [Line Items]

Intangible assets - computer software [text block]

11. Intangible assets - computer software

		Dec. 31, 2018			Dec. 31, 2017		Jan. 1, 2017
Cost
Balance, beginning of year	$	19,169		$	16,998	$	16,179
Additions		590			1,203		407
Effects of movement in exchange rates		(1,202	)		968		412
Balance, end of year		18,557			19,169		16,998
Accumulated amortization
Balance, beginning of year		13,594			10,384		7,320
Additions		1,793			2,541		2,882
Effects of movement in exchange rates		(992	)		669		182
Balance, end of year		14,395			13,594		10,384
Net book value	$	4,162		$	5,575	$	6,614