Other current assets (Tables)

3 Months Ended

Mar. 31, 2017

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

Schedule of other current assets

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

	March 31,		December 31,
	2017		2016
Prepaid expenses	$	1,575	$	1,879
Deposits and other receivables	733		759
Interest receivable	157		183
	$	2,465	$	2,821