XML 60 R40.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 1 - Summary of Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Beginning balance $ 1,767 $ 1,736 $ 1,729
Provision for losses on accounts receivable 1,100 774 457
Write-offs and other deductions (1,010) (743) (450)
Ending balance $ 1,857 $ 1,767 $ 1,736