COMMITMENTS AND CONTINGENCIES (Tables)

6 Months Ended

Jun. 30, 2013

COMMITMENTS AND CONTINGENCIES

Schedule of product warranty activity

	At December 31,2012		At June  30, 2013
	$		$
Beginning balance	12,836		10,317
Warranty provision	5,345		4,899
Changes in estimate	(7,788	)	—
Reduction for warranty cost incurred	(174	)	—
Foreign exchange effect	98		196
Ending balance	10,317		15,412