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Consolidated Balance Sheets (Parenthetical) - shares
Sep. 30, 2015
Dec. 31, 2014
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares outstanding 0 0
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 2,907,455 2,900,205
Common stock, shares outstanding 2,851,417 2,844,167