Note 13 - Stock Based Compensation (Details) - Stock Options Activities, by Exercise Price Range
shares in Thousands |
12 Months Ended |
|
Dec. 31, 2015
$ / shares
shares
|
|---|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Number outstanding (in Shares) | shares |
250,000
|
| Number outstanding - weighted average remaining contractual term |
2 years 120 days
|
| Number outstanding - weighted average exercise price |
$ 12.05
|
| Number exercisable (in Shares) | shares |
190,000
|
| Number exercisable - weighted average exercise price |
$ 12.27
|
| Price Range 1 [Member] |
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise price |
$ 12.74
|
| Number outstanding (in Shares) | shares |
90,000
|
| Number outstanding - weighted average remaining contractual term |
120 days
|
| Number outstanding - weighted average exercise price |
$ 12.74
|
| Number exercisable (in Shares) | shares |
90,000
|
| Number exercisable - weighted average exercise price |
$ 12.74
|
| Price Range 2 [Member] |
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise price |
$ 10.62
|
| Number outstanding (in Shares) | shares |
40,000
|
| Number outstanding - weighted average remaining contractual term |
1 year 102 days
|
| Number outstanding - weighted average exercise price |
$ 10.62
|
| Number exercisable (in Shares) | shares |
40,000
|
| Number exercisable - weighted average exercise price |
$ 10.62
|
| Price Range 3 [Member] |
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise price |
$ 11.34
|
| Number outstanding (in Shares) | shares |
90,000
|
| Number outstanding - weighted average remaining contractual term |
3 years 335 days
|
| Number outstanding - weighted average exercise price |
$ 11.34
|
| Number exercisable (in Shares) | shares |
30,000
|
| Number exercisable - weighted average exercise price |
$ 11.34
|
| Price Range 4 [Member] |
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise price |
$ 13.99
|
| Number outstanding (in Shares) | shares |
30,000
|
| Number outstanding - weighted average remaining contractual term |
4 years 354 days
|
| Number outstanding - weighted average exercise price |
$ 13.99
|
| Number exercisable (in Shares) | shares |
30,000
|
| Number exercisable - weighted average exercise price |
$ 13.99
|