CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Non-Voting Common Stock [Member]
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	12,574,560	12,567,879
Common stock, shares outstanding	12,574,560	12,567,879
Voting Common Stock [Member]
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	12,500,000	12,500,000
Common stock, shares issued	2,905,757	2,905,757
Common stock, shares outstanding	2,905,757	2,905,757