XML 18 R3.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 1.25 $ 1.25
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, stated value (in dollars per share) $ 0.05205 $ 0.05205
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 8,347,856 8,343,435
Common stock, shares outstanding 8,347,039 8,285,733
Treasury stock, shares 817 57,702