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Note 10 - Share-Based Compensation (Details) - Stock Option Award Activity (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Stock Option Award Activity [Abstract]  
Outstanding at December 31, 2013 (in Shares) 60,000
Outstanding at December 31, 2013 $ 19.63
Forfeited or cancelled (in Shares) 0
Forfeited or cancelled $ 0
Forfeited or cancelled $ 0
Outstanding at March 31, 2014 (in Shares) 60,000
Outstanding at March 31, 2014 $ 19.63
Outstanding at March 31, 2014 $ 7.33
Outstanding at March 31, 2014 3 years 36 days
Outstanding at March 31, 2014 (in Dollars) $ 0 [1]
Exercisable at March 31, 2014 (in Shares) 60,000
Exercisable at March 31, 2014 $ 19.63
Exercisable at March 31, 2014 $ 7.33
Exercisable at March 31, 2014 3 years 36 days
Exercisable at March 31, 2014 (in Dollars) 0 [1]
Expected to vest at March 31, 2014 (2) (in Shares) 0 [2]
Expected to vest at March 31, 2014 (2) $ 0 [2]
Expected to vest at March 31, 2014 (2) $ 0 [2]
Expected to vest at March 31, 2014 (2) 0 years [2]
Expected to vest at March 31, 2014 (2) (in Dollars) $ 0 [1],[2]
[1] For in-the-money options
[2] Options expected to vest reflect estimated forfeitures