Note 2 - Securities (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Approximate Fair Value
As of December 31, 2021
Debt Securities:
U. S. government agencies	$	7,778,256	$	-	$	(217,457	)		7,560,799
Municipals		45,982,657		837,946		(377,567	)		46,443,036
Corporates		37,019,519		634,758		(350,362	)		37,303,915
Mortgage-backed securities - private label - commercial		7,384,249		14,375		(30,202	)		7,368,422
Mortgage-backed securities - private label - consumer		9,057,185		42,493		(46,086	)		9,053,592
Government sponsored mortgage-backed securities and SBA loan pools		43,663,346		512,517		(503,129	)		43,672,734
	$	150,885,212	$	2,042,089	$	(1,524,803	)	$	151,402,498

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Approximate Fair Value
As of December 31, 2020
Debt Securities:
U. S. government agencies	$	6,282,000	$	6,519	$	(4,885	)		6,283,634
Municipals		58,754,912		3,241,133		(26,991	)		61,969,054
Corporates		30,510,893		261,740		(171,811	)		30,600,822
Mortgage-backed securities - private label - commercial		5,399,385		55,712		(10,650	)		5,444,447
Mortgage-backed securities - private label - consumer		9,249,375		228,469		(25,747	)		9,452,097
Government sponsored mortgage-backed securities and SBA loan pools		49,053,252		1,391,728		(74,165	)		50,370,815
	$	159,249,817	$	5,185,301	$	(314,249	)	$	164,120,869

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized Cost		Approximate Fair Value
1-5 years	$	1,500,000	$	1,497,325
5-10 years		37,399,244		37,449,981
After ten years		51,881,188		52,360,444
Mortgage-backed securities - private label - commercial not due on a single maturity date		7,384,249		7,368,422
Mortgage-backed securities - private label - consumer ot due on a single maturity date		9,057,185		9,053,592
Government sponsored mortgage-backed securities and SBA loan pools not due on a single maturity date		43,663,346		43,672,734
	$	150,885,212	$	151,402,498

Schedule of Unrealized Loss on Investments [Table Text Block]

	December 31, 2021
	Less than 12 Months					12 Months or More					Total
Description of Securities	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
U.S. government agencies	$	4,396,329	$	(99,928	)	$	3,164,470	$	(117,529	)	$	7,560,799	$	(217,457	)
Municipals		12,246,522		(322,939	)		1,538,128		(54,628	)		13,784,650		(377,567	)
Corporates		10,662,195		(181,647	)		5,124,238		(168,715	)		15,786,433		(350,362	)
Mortgage-backed securities - private label - commercial		2,976,069		(27,347	)		1,492,125		(2,855	)		4,468,194		(30,202	)
Mortgage-backed securities - private label - consumer		1,874,865		(46,086	)		-		-			1,874,865		(46,086	)
Government sponsored mortgage-backed securities and SBA loan pools		20,031,633		(322,842	)		3,727,988		(180,287	)		23,759,621		(503,129	)
	$	52,187,613	$	(1,000,789	)	$	15,046,949	$	(524,014	)	$	67,234,562	$	(1,524,803	)

	December 31, 2020
	Less than 12 Months					12 Months or More				Total
Description of Securities	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. government agencies	$	1,495,116	$	(4,885	)	$	-	$	-	$	1,495,116	$	(4,885	)
Municipals		4,011,492		(26,991	)		-		-		4,011,492		(26,991	)
Corporates		14,869,853		(171,811	)		-		-		14,869,853		(171,811	)
Mortgage-backed securities - private label - commercial		1,481,805		(10,650	)		-		-		1,481,805		(10,650	)
Mortgage-backed securities - private label - consumer		2,391,511		(25,747	)		-		-		2,391,511		(25,747	)
Government sponsored mortgage-backed securities and SBA loan pools		5,799,696		(74,165	)		-		-		5,799,696		(74,165	)
	$	30,049,473	$	(314,249	)	$	-	$	-	$	30,049,473	$	(314,249	)