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Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Sep. 30, 2015
Dec. 31, 2014
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares issued (in shares) 8,731,299 8,958,028
Common stock, shares outstanding (in shares) 8,731,299 8,958,028