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Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds (Performance and Time-vesting RSUs [Member], USD $)
 12 Months Ended
Dec. 31, 2013
Less than Minimum [Member]
  
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items]  
Adjusted earnings per share attainment level (in Dollars per share) $ 0.00
% of earned RSUs 0.00%
Minimum [Member]
  
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items]  
Adjusted earnings per share attainment level (in Dollars per share) $ 0.01
% of earned RSUs 30.00%
Median [Member]
  
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items]  
Adjusted earnings per share attainment level (in Dollars per share) $ 3.21
% of earned RSUs 60.00%
Maximum [Member]
  
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items]  
Adjusted earnings per share attainment level (in Dollars per share) $ 3.53
% of earned RSUs 100.00%