Note 5. Held to Maturity Securities (Tables)

6 Months Ended

Jun. 30, 2012

Held-to-maturity Securities [Table Text Block]

	June 30, 2012
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Obligations of:
States and political subdivisions	$	60,146,013	$	1,938,157	$	(26,415	)	$	62,057,755
U.S. government-sponsored entities		107,000,000		341,300		-			107,341,300
Collateralized mortgage obligations		47,617,750		807,039		(40,460	)		48,384,329
Mortgage-backed securities		121,023,134		1,054,135		(25,387	)		122,051,882
Other		50,000		-		-			50,000
Totals	$	335,836,897	$	4,140,631	$	(92,262	)	$	339,885,266

	December 31, 2011
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Obligations of:
States and political subdivisions	$	63,145,630	$	1,897,676	$	(3,892	)	$	65,039,414
U.S. government-sponsored entities		261,601,680		810,407		(5,000	)		262,407,087
Collateralized mortgage obligations		17,069,071		25,702		(81,226	)		17,013,547
Mortgage-backed securities		18,699,681		52,067		(9,112	)		18,742,636
Other		50,000		-		-			50,000
Totals	$	360,566,062	$	2,785,852	$	(99,230	)	$	363,252,684

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized Cost		Fair Value
Due in one year or less	$	54,374,594	$	54,602,091
Due after one year less than 5 years		170,073,142		172,241,921
Due after 5 years less than 10 years		101,389,161		102,999,254
Due in more than 10 years		10,000,000		10,042,000
Totals	$	335,836,897	$	339,885,266

Schedule of Unrealized Loss on Investments [Table Text Block]

	June 30, 2012
	Continuous unrealized losses existing for less than 12 months				Continuous unrealized losses existing for 12 months or more				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of:
States and political subdivisions	$	2,007,671	$	26,415	$	-	$	-	$	2,007,671	$	26,415
Collateralized mortgage obligations		8,708,838		40,460		-		-		8,708,838		40,460
Mortgage-backed securities		24,062,781		25,387		-		-		24,062,781		25,387
Totals	$	34,779,290	$	92,262	$	-	$	-	$	34,779,290	$	92,262

	December 31, 2011
	Continuous unrealized losses existing for less than 12 months				Continuous unrealized losses existing for 12 months or more				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of:
States and political subdivisions	$	979,394	$	3,892	$	-	$	-	$	979,394	$	3,892
U.S. government-sponsored entities		9,995,000		5,000		-		-		9,995,000		5,000
Collateralized mortgage obligations		11,163,181		81,226		-		-		11,163,181		81,226
Mortgage-backed securities		5,403,167		9,112		-		-		5,403,167		9,112
Totals	$	27,540,742	$	99,230	$	-	$	-	$	27,540,742	$	99,230