OTHER CURRENT ASSETS

6 Months Ended

12 Months Ended

Jun. 30, 2013

Dec. 31, 2012

OTHER CURRENT ASSETS

OTHER CURRENT ASSETS

8. OTHER CURRENT ASSETS

	JUNE 30, 2013		DECEMBER 31, 2012
	(in thousands)
Refundable research and development tax credits	$	1,030	$	593
Commodity taxes		328		165
Prepaid expenses		429		779
	$	1,787	$	1,537

9. OTHER CURRENT ASSETS

	DECEMBER 31,
	2012		2011
	(in thousands)
Refundable research and development tax credits	$	593	$	1,104
Commodity taxes		165		176
Prepaid expenses		779		268
	$	1,537	$	1,548

Research and development tax credits include a receivable of $311 thousand from 9222-9129 Québec Inc. at December 31, 2011.