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Note 13 - Equity Plans (Details) - Stock Option Activity (USD $)
In Thousands, except Share data, unless otherwise specified
 1 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2013
Dec. 31, 2012
Stock Option Activity [Abstract]      
Outstanding, Number of Options     40,339
Outstanding, Weighted Average Exercise Price (in Dollars per share)     $ 21.79
Outstanding, Weighted Average Remaining Contractual Term   2 years 219 days  
Exercisable at December 31, 2013   27,172  
Exercisable at December 31, 2013 (in Dollars per share)   $ 27.40  
Exercisable at December 31, 2013   2 years 219 days  
Exercisable at December 31, 2013 (in Dollars)   $ 117  
Granted   0  
Granted (in Dollars per share)   $ 0  
Exercised 0 (11,667) (4,168)
Exercised (in Dollars per share)   $ 7.33  
Canceled   (1,500)  
Canceled (in Dollars per share)   $ 32.63  
Outstanding, Number of Options 40,339 27,172  
Outstanding, Weighted Average Exercise Price (in Dollars per share) $ 21.79 $ 27.40  
Outstanding, Weighted Average Remaining Contractual Term   2 years 219 days  
Outstanding, Aggregate Intrinsic Value (in Dollars)   $ 117