Basic and Diluted Earnings per Share (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Antidilutive Securities Excluded From Computation Of Earnings Per Share, Amount	1,103,500	1,143,863	1,117,161	1,143,863