Note 4 - Available-for-sale Securities (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Available-for-sale Securities [Table Text Block]

	Gross		Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses			Fair Value
December 31, 2019
Available-for-sale securities
Mortgage-backed securities	$	30,722,958	$	415,564	$	(119,774	)	$	31,018,748
U.S. Government agencies		1,102,532		1,739		(24,824	)		1,079,447
Municipal obligations		12,279,341		254,521		(114,879	)		12,418,983
Total	$	44,104,831	$	671,824	$	(259,477	)	$	44,517,178
December 31, 2018
Available-for-sale securities
Mortgage-backed securities	$	28,799,904	$	115,824	$	(605,370	)	$	28,310,358
U.S. Government agencies		1,487,917		-		(42,885	)		1,445,032
Municipal obligations		3,672,023		2,363		(1,118	)		3,673,268
Total	$	33,959,844	$	118,187	$	(649,373	)	$	33,428,658

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

	December 31, 2019				December 31, 2018
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	-	$	-	$	403,612	$	402,924
Due after one to five years		27,151,751		27,510,536		23,040,618		22,482,300
Due after five to ten years		14,048,273		14,163,270		10,515,614		10,543,434
Due after ten years		2,904,807		2,843,372		-		-
Totals	$	44,104,831	$	44,517,178	$	33,959,844	$	33,428,658

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

	December 31, 2019
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
Description of			Unrealized					Unrealized					Unrealized
Securities	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
Available-for-sale securities:
Mortgage-backed securities	$	10,201,840	$	(64,195	)	$	6,459,069	$	(55,579	)	$	16,660,909	$	(119,774	)
U.S. Government agencies		-		-			843,719		(24,824	)		843,719		(24,824	)
Municipal obligations		4,676,851		(114,879	)		-		-			4,676,851		(114,879	)
Total temporarily impaired securities	$	14,878,691	$	(179,074	)	$	7,302,788	$	(80,403	)	$	22,181,479	$	(259,477	)

	December 31, 2018
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
Description of			Unrealized					Unrealized					Unrealized
Securities	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
Available-for-sale securities:
Mortgage-backed securities	$	8,605,742	$	(200,190	)	$	10,740,671	$	(405,180	)	$	19,346,413	$	(605,370	)
U.S. Government agencies		302,219		(885	)		1,142,814		(42,000	)		1,445,033		(42,885	)
Municipal obligations		1,747,571		(430	)		402,924		(688	)		2,150,495		(1,118	)
Total temporarily impaired securities	$	10,655,532	$	(201,505	)	$	12,286,409	$	(447,868	)	$	22,941,941	$	(649,373	)