Note 9 - Options: Schedule of Share-based Compensation, Stock Options, Activity (Details) - shares
shares in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |
|
39
|
|
| Price Range Per Share Granted |
- - -
|
49.18 - 50.72
|
- - -
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period |
7
|
4
|
3
|
| Price Range Per Share Expired |
26.58 - 49.18
|
25.59 - 49.18
|
17.71 - 33.30
|
| Price Range Per Share Exercised |
|
18.00 - 33.30
|
17.71 - 33.30
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |
62
|
91
|
91
|
| Price Range Per Share Outstanding |
24.00 - 50.72
|
21.68 - 50.72
|
18.00 - 33.30
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number |
41
|
48
|
77
|
| Price Range Per Share Total Exercisable |
24.00 - 50.72
|
21.68 - 33.30
|
18.00 - 33.30
|
| Common Stock |
|
|
|
| Common stock issued upon exercise of employee stock options, shares |
22
|
35
|
55
|