Note 3 - Available-for-sale Securities (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Available-for-sale Securities [Table Text Block]

	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses			Fair Value
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
December 31, 2017
Available-for-sale securities
Mortgage-backed securities	$	21,028,794	$	12,757	$	(272,959	)	$	20,768,592
U.S. Government agencies		2,006,786		44		(49,047	)		1,957,783
Municipal obligations		1,672,277		2,584		(1,355	)		1,673,506
Total	$	24,707,857	$	15,385	$	(323,361	)	$	24,399,881

Gain (Loss) on Securities [Table Text Block]

	Year Ended December 31,
	2018		2017
Proceeds from sale	$	-	$	6,933,361
Sales gains	$	-	$	3,618
Sales losses	$	-	$	(179,707	)

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

	December 31, 2018				December 31, 2017
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	403,612	$	402,924	$	1,254,321	$	1,256,906
Due after one to five years		23,040,618		22,482,300		21,574,631		21,306,086
Due after five to ten years		10,515,614		10,543,434		1,878,905		1,836,889
Due after ten years		-		-		-		-
Totals	$	33,959,844	$	33,428,658	$	24,707,857	$	24,399,881

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

	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	)

	December 31, 2017
	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	$	3,468,607	$	(39,099	)	$	9,763,879	$	(233,860	)	$	13,232,486	$	(272,959	)
U.S. Government agencies		-		-			1,548,481		(49,047	)		1,548,481		(49,047	)
Municipal obligations		416,600		(1,355	)		-					416,600		(1,355	)
Total temporarily impaired securities	$	3,885,207	$	(40,454	)	$	11,312,360	$	(282,907	)	$	15,197,567	$	(323,361	)