Prepaid expenses and other current assets (Tables)

12 Months Ended

Dec. 31, 2015

Prepaid expense and other current assets

Schedule of prepaid expense and other current assets

4. Prepaid Expenses and Other Current Assets

Prepaid expense and other current assets consist of the following:

	As of December 31,
	2015		2014
	(in thousands)
Prepaid insurance	$	424	$	18
Prepaid research and development contracts		340		899
Accrued interest receivable		411		—
Other current assets		382		406
Total	$	1,557	$	1,323