Note 7 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Summary of Investment Holdings, Schedule of Investments [Table Text Block]

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
March 31, 201 9 :
Securities Available for Sale
State and municipal securities	$	12,569,484	$	184,283	$	2,780	$	12,750,987
Residential mortgage-backed securities		11,776,371		74,257		131,616	$	11,719,012
	$	24,345,855	$	258,540	$	134,396	$	24,469,999
December 31, 2018:
Securities Available for Sale
State and municipal securities	$	13,092,077	$	116,127	$	21,416	$	13,186,788
Residential mortgage-backed securities		12,485,167		59,282		197,470		12,346,979
	$	25,577,244	$	175,409	$	218,886	$	25,533,767

Investments Classified by Contractual Maturity Date [Table Text Block]

	Securities Available for Sale
	Amortized		Fair
	Cost		Value
Due in three months or less	$	150,268	$	150,515
Due after three months through one year		475,244		477,929
Due after one year through five years		4,896,781		4,956,310
Due after five years through ten years		4,113,562		4,186,789
Due after ten years		2,933,629		2,979,444
Residential mortgage-backed securities		11,776,371		11,719,012
	$	24,345,855	$	24,469,999

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
March 31, 201 9
Securities Available for Sale
State and municipal securities	$	-	$	-	$	534,227	$	2,780	$	534,227	$	2,780
Residential mortgage-backed securities		690,547		6,817		6,172,041		124,799		6,862,588		131,616
	$	690,547	$	6,817	$	6,706,268	$	127,579	$	7,396,815	$	134,396
December 31, 2018
Securities Available for Sale
State and municipal securities	$	1,831,305	$	9,610	$	1,345,990	$	11,806	$	3,177,295	$	21,416
Residential mortgage-backed securities		2,865,546		25,266		6,034,053		172,204		8,899,599		197,470
	$	4,696,851	$	34,876	$	7,380,043	$	184,010	$	12,076,894	$	218,886