XML 39 R29.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 6 - Product Warranties - Product Warranties (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Balance at beginning of year $ 1,098 $ 1,435
Provision 803 1,058
Claims (904) (1,360)
Balance at end of period $ 997 $ 1,133