Other current assets and other long-term assets

6 Months Ended

Jun. 30, 2018

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

Other current assets and other long-term assets

Other current assets and other long-term assets

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

	June 30,		December 31,
	2018		2017
Prepaid expenses	$	1,551	$	3,085
Deposits and other receivables	1,071		1,600
Interest receivable	790		237
	$	3,412	$	4,922

The other long-term assets balance consisted of $1.1 million and $1.0 million in deposits paid in conjunction with the Company's research and development activities as of June 30, 2018 and December 31, 2017, respectively.