XML 44 R34.htm IDEA: XBRL DOCUMENT v3.4.0.3
Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Product Warranties Disclosures [Abstract]    
Beginning balance $ 760 $ 824
Warranty provisions 71 44
Warranty claims (95) (86)
Adjustments to preexisting warranties 24 (25)
Ending balance $ 760 $ 757