XML 51 R38.htm IDEA: XBRL DOCUMENT v3.6.0.2
Business Description, Basis of Presentation and Significant Accounting Policies - Schedule of Product Warranty Liability (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Balance at the beginning of year $ 288 $ 331 $ 338
Accruals/additions 361 442 511
Usage/claims (403) (485) (518)
Balance at end of year $ 246 $ 288 $ 331