Share Repurchase Plan (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Share Repurchase Plan [Abstract]
Date on which the share repurchase plan was approved by Board of Directors	Mar. 21, 2011
Authorized amount under share repurchase plan by Board of Directors	$ 3,000,000		$ 3,000,000
Treasury stock at cost (in shares)	216,399	0	217,499	162,387
Stock repurchased during period	$ 366,000	$ 0	$ 368,000	$ 303,000