Accrued Liabilities

9 Months Ended

Sep. 30, 2018

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued Liabilities

Accrued liabilities consisted of the following at September 30, 2018 and December 31, 2017 (in thousands):

	2018		2017
Accrued salaries, benefits and bonus	$	15,057	$	8,957
Accrued professional, consulting and lobbying fees	2,910		3,870
Accrued warranty expense	959		644
Accrued income and other taxes	4,913		2,558
Other accrued liabilities	13,069		7,473
Accrued liabilities	$	36,908	$	23,502