XML 84 R66.htm IDEA: XBRL DOCUMENT v3.3.0.814
Note 9 - Stock-based Compensation (Details) - Stock Options Exercised - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Stock Options Exercised [Abstract]        
Proceeds from stock options exercised $ 0 $ 82 $ 142 $ 512
Fair value of shares received upon exercised of stock options 421 0 441 1,290
Tax benefit related to stock options exercised 87 1 324 94
Intrinsic value of stock options exercised $ 291 $ 18 $ 96 $ 335