Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Utilized federal net operating loss carryforwards		$ 18,744,000
Utilized alternative minimum tax credit carryforwards		125,000
Federal statutory rate	(35.00%)	35.00%
Uncertain tax positions	$ 430,000	$ 424,000