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Note 13 - Earnings Per Share (Details) - Computations of Basic and Diluted Earnings Per Share (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Computations of Basic and Diluted Earnings Per Share [Abstract]                      
Net income (loss) (in Dollars)                 $ 5,915 $ 2,179 $ (2,857)
Basic weighted average common shares outstanding 8,649 8,654 8,658 8,688 8,702 8,702 8,702 8,696 8,662 8,700 9,056
Dilutive effect of common stock equivalents                 20 2  
Diluted weighted average common shares outstanding 8,683 8,663 8,659 8,688 8,702 8,703 8,703 8,698 8,682 8,702 9,056
Basic earnings (loss) per share (in Dollars per share) $ 0.15 $ 0.28 $ 0.31 $ (0.05) $ (0.04) $ 0.10 $ 0.11 $ 0.08 $ 0.68 $ 0.25 $ (0.32)
Diluted earnings (loss) per share (in Dollars per share) $ 0.15 $ 0.28 $ 0.31 $ (0.05) $ (0.04) $ 0.10 $ 0.11 $ 0.08 $ 0.68 $ 0.25 $ (0.32)