Accrued Expenses and Other Current Liabilities

12 Months Ended

Dec. 31, 2018

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

8. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities at December 31, 2018 and 2017 are summarized below (in thousands).

	2018		2017
Professional fees	$	126	$	209
Research and development costs		316		223
Litigation settlement		—		6,450
Wages, bonuses and employee benefits		50		252
Royalties		211		626
Other		23		122
Total	$	726	$	7,882