XML 59 R45.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 2 - Changes in Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Balance—beginning of year $ 1,611 $ 1,477 $ 1,157
Bad debt expense 151 456 424
Charge-offs (1,231) $ (322) $ (104)
Recoveries 18
Balance—end of year $ 549 $ 1,611 $ 1,477