Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2019

Prepaid Expense And Other Assets Current [Abstract]

Prepaid Expenses and Other Current Assets

6. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

	Year Ended December 31,
	2019		2018
Prepaid income taxes	$	—	$	923
Prepaid expenses		2,429		4,520
Interest receivable on marketable securities		336		323
	$	2,765	$	5,766