Accrued liabilities (Tables)

6 Months Ended

Jun. 30, 2014

Payables And Accruals [Abstract]

Accrued Liabilities

Accrued liabilities consisted of the following at June 30, 2014 and December 31, 2013 (in thousands):

	June 30, 2014		December 31, 2013
Accrued salaries and benefits	$	2,099	$	2,328
Accrued judgments and settlements		998		3,350
Accrued warranty expense		1,078		955
Accrued income and other taxes		258		233
Other accrued expenses		1,816		1,974
Accrued liabilities	$	6,249	$	8,840