OTHER CURRENT ASSETS (Tables)

12 Months Ended

Dec. 31, 2013

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of other current assets

6. Other Current Assets	December 31,
	2013		2012
	(in thousands)
Refundable research and development tax credits	809		593
Interest and other receivables	306		507
Prepaid expenses	667		779
Commodity taxes and other	227		165
Income taxes receivable	58		—
Restricted cash	78		302
	$	2,145	$	2,346