CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock.
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	74,000,000	74,000,000
Common stock, shares issued	17,990,997	17,880,650
Common stock, shares outstanding	17,990,997	17,880,650
Class A common stock
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	14,870,673	14,870,673
Common stock, shares outstanding	14,870,673	14,870,673