Quarterly report pursuant to Section 13 or 15(d)

Warranty (Details)

v3.5.0.2
Warranty (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Warranty [Abstract]    
Product Warranty Period 5 years  
Beginning Balance $ 554 $ 434
Amounts charged to expense 119 193
Actual warranty costs paid (75) (73)
Ending balance $ 598 $ 554