Changes in Shareholders' Equity (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Stockholders' Equity Note [Abstract]
Net loss	$ (627,000)	$ (650,000)	$ (7,402,000)	$ (4,600,000)
Cash dividends			740,000	1,110,000
Other comprehensive income (loss), net of tax	$ (227,000)	$ (231,000)	$ (310,000)	$ (1,000)