Prepaid Expenses and Other Current Assets

9 Months Ended

Sep. 30, 2018

Prepaid Expense and Other Assets, Current [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

	September 30, 2018		December 31, 2017
Prepaid clinical trial costs	$	12,544	$	4,642
Refund receivable	1,290		—
Prepaid insurance	703		455
Other	258		100
	$	14,795	$	5,197