Securities (Tables)

12 Months Ended

Dec. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost and approximate fair values, together with gross unrealized gains and losses, of securities

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale Securities
December 31, 2016:
U.S. Government and federal agencies	$	13,985,863	$	9,641	$	(661,964	)	$	13,333,540
Mortgage-backed securities (Government-sponsored enterprises - residential)		45,457,262		70,512		(1,114,597	)		44,413,177
Municipal bonds		42,500,579		558,776		(644,632	)		42,414,723
	$	101,943,704	$	638,929	$	(2,421,193	)	$	100,161,440
December 31, 2015:
U.S. Government and federal agencies	$	15,979,475	$	44,972	$	(85,750	)	$	15,938,697
Mortgage-backed securities (Government-sponsored enterprises - residential)		23,067,200		211,987		(100,792	)		23,178,395
Municipal bonds		47,229,171		1,306,328		(179,259	)		48,356,240
	$	86,275,846	$	1,563,287	$	(365,801	)	$	87,473,332

Schedule of amortized cost and fair value of available-for-sale securities by contractual maturity

	Available-for-sale
	Amortized Cost		Fair  Value
Within one year	$	1,036,978	$	1,043,616
One to five years		9,201,183		9,315,610
Five to ten years		27,297,515		27,081,945
After ten years		18,950,766		18,307,092
		56,486,442		55,748,263
Mortgage-backed securities		45,457,262		44,413,177
Totals	$	101,943,704	$	100,161,440

Schedule of gross unrealized losses and fair value in a continuous unrealized loss position

	December 31, 2016
	Less than 12 Months					12 Months or More					Total
Description of Securities	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale Securities
U.S. Government agencies	$	12,333,924	$	(661,964	)	$	—	$	—		$	12,333,924	$	(661,964	)
Mortgage-backed securities (Government-sponsored enterprises - residential)		37,144,915		(1,114,597	)		—		—			37,144,915		(1,114,597	)
Municipal bonds		22,104,420		(644,632	)		—		—			22,104,420		(644,632	)
Total temporarily impaired securities	$	71,583,259	$	(2,421,193	)	$	—	$	—		$	71,583,259	$	(2,421,193	)
	December 31, 2015
	Less than 12 Months					12 Months or More					Total
Description of Securities	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Available-for-sale Securities
U.S. Government agencies	$	8,591,014	$	(49,205	)	$	1,809,745	$	(36,545	)	$	10,400,759	$	(85,750	)
Mortgage-backed securities (Government-sponsored enterprises - residential)		5,843,754		(45,886	)		2,257,674		(54,906	)		8,101,428		(100,792	)
Municipal bonds		5,440,291		(48,383	)		6,734,290		(130,876	)		12,174,581		(179,259	)
Total temporarily impaired securities	$	19,875,059	$	(143,474	)	$	10,801,709	$	(222,327	)	$	30,676,768	$	(365,801	)