Securities (Tables)

9 Months Ended

Sep. 30, 2012

Securities [Abstract]

Summary Of Securities

	Current				Noncurrent
	Sept. 30, 2012		Dec. 31, 2011		Sept. 30, 2012		Dec. 31, 2011
Aggregate fair value	$	9,323,581	$	5,094,703	$	3,764,826	$	4,755,809
Gross unrealized holding gains		-6,748		-4,929		-912		-12,995
Gross unrealized holding losses		42		857		838		1,192
Amortized cost basis		9,316,875		5,090,631		3,764,752		4,744,006
Accrued interest		15,758		17,676		9,854		15,066
Amounts shown on balance sheets	$	9,332,633	$	5,108,307	$	3,774,606	$	4,759,072