Consolidated Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2018

Consolidated Statements of Cash Flows [abstract]

Schedule of Components of Net Change in Non-cash Working Capital

Year ended December 31,	2018		2017
			Restated (Note 5)
Decrease (increase) in current assets
Trade and other receivables	$	1,834	$	(4,013)
Contract assets		921		(1,006)
Inventories		(2,497)		3,343
Prepaid expenses		(603)		(152)
Increase (decrease) in current liabilities
Trade and other payables, including provisions		(1,164)		1,616
Contract liabilities		2,260		(282)
Deferred funding		999		271
Total	$	1,750	$	(223)