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Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Common stock, par value (usd per share)
Common stock, shares authorized 7,000,000 7,000,000
Common stock, shares issued 3,407,269 3,317,728
Common stock, shares outstanding 3,407,269 3,317,728
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued
Preferred Stock, shares Outstanding
Unvested shares 310,456 306,768