OTHER CURRENT ASSETS AND LONG-TERM ASSETS (Tables)

12 Months Ended

Dec. 31, 2015

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

Schedule of other current assets

Other current assets consisted of the following (in thousands):

	December 31,
	2015		2014
Prepaid expenses	$	2,287	$	1,827
Refundable research and development tax credits	—		809
Deposits and other receivables	551		622
Interest receivables	237		96
	$	3,075	$	3,354