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Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)
Jun. 30, 2013
Dec. 31, 2012
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, shares authorized 19,000,000 19,000,000
Common stock, shares issued 16,647,604 16,495,216