Note 4 - Securities (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Debt Securities, Available-for-sale [Table Text Block]

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Approximate Fair Value
As of March 31, 2019
Debt Securities:
Municipals	$	32,455,849	$	258,959	$	(135,409	)	$	32,579,399
Corporates		6,060,195		13,206		(37,024	)		6,036,377
Government sponsored mortgage-backed securities and SBA loan pools		60,510,461		279,759		(612,338	)		60,177,882
	$	99,026,505	$	551,924	$	(784,771	)	$	98,793,658

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Approximate Fair Value
As of December 31, 2018
Debt Securities:
Municipals	$	34,470,648	$	10,581	$	(710,709	)	$	33,770,520
Corporates		3,000,000		18,927		-			3,018,927
Government sponsored mortgage-backed securities and SBA loan pools		50,632,011		81,999		(1,237,260	)		49,476,750
	$	88,102,659	$	111,507	$	(1,947,969	)	$	86,266,197

Available-for-sale Securities [Table Text Block]

	Amortized Cost		Approximate Fair Value
1-5 years	$	663,395	$	672,379
6-10 years		14,507,941		14,477,818
After 10 years		23,344,708		23,465,579
Government sponsored mortgage-backed securities and SBA loan pools not due on a single maturity date		60,510,461		60,177,882
	$	99,026,505	$	98,793,658

Schedule of Unrealized Loss on Investments [Table Text Block]

	March 31, 2019
	Less than 12 Months					12 Months or More					Total
Description of Securities	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Municipals	$	-	$	-		$	13,015,347	$	(135,409	)	$	13,015,347	$	(135,409	)
Corporates		4,023,171		(37,024	)		-		-			4,023,171		(37,024	)
Government sponsored mortgage-backed securities and SBA loan pools		4,290,134		(24,978	)		32,438,708		(587,360	)		36,728,842		(612,338	)
	$	8,313,305	$	(62,002	)	$	45,454,055	$	(722,769	)	$	53,767,360	$	(784,771	)

	December 31, 2018
	Less than 12 Months					12 Months or More					Total
Description of Securities	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Municipals	$	6,324,750	$	(67,774	)	$	23,223,221	$	(642,935	)	$	29,547,971	$	(710,709	)
Government sponsored mortgage-backed securities and SBA loan pools		7,127,597		(112,282	)		33,759,028		(1,124,978	)		40,886,625		(1,237,260	)
	$	13,452,347	$	(180,056	)	$	56,982,249	$	(1,767,913	)	$	70,434,596	$	(1,947,969	)