Quarterly report pursuant to Section 13 or 15(d)

Warranty (Details)

v3.5.0.2
Warranty (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Warranty [Abstract]    
Product Warranty Period 5 years  
Beginning Balance $ 554 $ 434
Amounts charged to expense 78 174
Actual warranty costs paid (58) (50)
Ending balance $ 574 $ 558