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Consolidated Balance Sheets (Parentheticals) - $ / shares
Dec. 31, 2015
Dec. 31, 2014
Preferred stock par value (in Dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Common stock par value (in Dollars per share) $ 0.01 $ 0.01
Common stock authorized shares 5,000,000 5,000,000
Common stock issued shares 3,762,933 3,164,416
Common stock outstanding shares 3,338,603 2,740,502
Less treasury stock, at cost shares 424,330 423,914