Other current assets (Tables)

9 Months Ended

Sep. 30, 2016

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

Schedule of other current assets

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

	September 30,		December 31,
	2016		2015
Prepaid expenses	$	1,534	$	2,287
Deposits and other receivables	836		551
Interest receivable	134		237
	$	2,504	$	3,075