Shareholders' Equity (Details) (USD $)	3 Months Ended		9 Months Ended				9 Months Ended				9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Common stock	Dec. 31, 2011 Common stock	Sep. 30, 2012 Capital in excess of par value	Sep. 30, 2012 Retained earnings	Sep. 30, 2012 ESOP	Dec. 31, 2011 ESOP	Sep. 30, 2012 Treasury stock	Sep. 30, 2012 Accumulated Other Comprehensive Loss	Dec. 31, 2011 Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance			$ 23,244,000		$ 523,000	$ 523,000	$ 13,774,000	$ 12,490,000	$ (1,266,000)	$ (1,266,000)	$ (2,210,000)	$ (67,000)	$ (67,000)
Balance (shares)			2,614,506		2,614,506	2,614,506
Net income	(144,000)	904,000	225,000	2,038,000				225,000
Cash dividend			(358,000)					(358,000)
Purchase of treasury shares			(62,000)								(62,000)
Exercise of stock options, net of income tax benefit			384,000				152,000	(323,000)			555,000
Balance	$ 23,433,000		$ 23,433,000		$ 523,000	$ 523,000	$ 13,926,000	$ 12,034,000	$ (1,266,000)	$ (1,266,000)	$ (1,717,000)	$ (67,000)	$ (67,000)
Balance (shares)	2,614,506		2,614,506		2,614,506	2,614,506