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Note 8 - Treasury Stock (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 6 Months Ended 24 Months Ended
Aug. 31, 2013
Jun. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Disclosure Text Block Supplement [Abstract]        
Stock Repurchase Program, Number of Shares Authorized to be Repurchased       500,000
Stock Repurchase Program, Additional Shares Authorized 500,000      
Stock Repurchased During Period, Shares   0 601,705  
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)     $ 2.72  
Stock Repurchased During Period, Value (in Dollars)     $ 1,637