Prepaid Expenses and Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2019

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following as of June 30, 2019 and December 31, 2018:

(In thousands)	June 30, 2019		December 31, 2018
Prepaid expenses	$	3,592	$	4,717
Deposits		61		66
Interest receivable on marketable securities		560		717
Total prepaid expenses and other current assets	$	4,213	$	5,500