Share Repurchase Plan (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 31, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 21, 2011
Share Repurchase Plan [Abstract]
Date on which the share repurchase plan was approved by the Board of Directors						Mar. 21, 2011
Authorized amount under share repurchase plan by Board of Directors		$ 3,000,000		$ 3,000,000
Stock repurchased during period (in shares)	99,170	177,755	60,700	395,254	223,087
Stock repurchased during period	$ 168,000	$ 283,000	$ 119,000	$ 651,000	$ 422,000