Accrued Liabilities

6 Months Ended

Jun. 30, 2018

Accrued Liabilities

9. Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	June 30, 2018		December 31, 2017
Employee compensation	$	7,703	$	9,560
Taxes		937		1,668
Royalty and license fees		372		1,383
Accrued purchases		674		1,191
Professional fees		403		947
Deferred revenue		1,175		960
Other accrued expenses		1,838		2,220
Total	$	13,102	$	17,929