XML 49 R38.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 7 - Equity Plans - Stock-based Compensation Expense Recognized on Restricted Stock Units (Details) - Restricted Stock Units (RSUs) [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Expense Before Tax [Member]        
RSU expense (income) before taxes $ 162 $ 326 $ (170) $ 867
Expense After Tax [Member]        
RSU expense (income) before taxes $ 220 $ 188 $ (39) $ 530