Note 2 - Available-for-sale Securities (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Available-for-sale Securities [Table Text Block]

			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses			Fair Value
March 31, 2018
Available-for-sale securities
Mortgage-backed securities	$	23,238,466	$	6,317	$	(589,070	)	$	22,655,713
U.S. Government agencies		1,851,214		-		(70,878	)		1,780,336
Municipal obligations		1,661,224		761		(2,374	)		1,659,611
	$	26,750,904	$	7,078	$	(662,322	)	$	26,095,660
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
	$	24,707,857	$	15,385	$	(323,361	)	$	24,399,881

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

	March 31, 2018
	Amortized		Fair
	Cost		Value
Due in one year or less		1,246,805		1,247,484
Due after one to five years		23,707,371		23,120,803
Due after five to ten years		1,796,728		1,727,373
Due after ten years		-		-
Totals	$	26,750,904	$	26,095,660

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

	March 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	$	12,464,292	$	(227,176	)	$	9,657,488	$	(361,894	)	$	22,121,780	$	(589,070	)
U.S. Government agencies		360,605		(5,948	)		1,419,731		(64,930	)		1,780,336		(70,878	)
Municipal obligations		663,256		(2,374	)		-		-			663,256		(2,374	)
Total temporarily impaired securities	$	13,488,153	$	(235,498	)	$	11,077,219	$	(426,824	)	$	24,565,372	$	(662,322	)

	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	)