Note 7 - Securities Available for Sale (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less Than Twelve Months							Twelve Months or More							Total
(Dollars in thousands)	# of Investments		Fair Value		Unrealized Losses			# of Investments		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
September 30, 2020
Mortgage-backed securities:
Federal National Mortgage Association (FNMA)		2	$	10,254		(35	)		0	$	0		0		$	10,254		(35	)
Other marketable securities:
Corporate obligations		1		37		(1	)		0		0		0			37		(1	)
Corporate preferred stock		0		0		0			1		595		(105	)		595		(105	)
Total temporarily impaired securities		3	$	10,291		(36	)		1	$	595		(105	)	$	10,886		(141	)

	Less Than Twelve Months							Twelve Months or More							Total
(Dollars in thousands)	# of Investments		Fair Value		Unrealized Losses			# of Investments		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
December 31, 2019
Mortgage backed securities:
FNMA		4	$	12,143		(65	)		0	$	0		0		$	12,143		(65	)
Other marketable securities:
U.S. Government agency obligations		0		0		0			4		19,972		(21	)		19,972		(21	)
Corporate preferred stock		0		0		0			1		665		(35	)		665		(35	)
Total temporarily impaired securities		4	$	12,143		(65	)		5	$	20,637		(56	)	$	32,780		(121	)

Available-for-sale Securities [Table Text Block]

(Dollars in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
September 30, 2020:
Mortgage-backed securities:
FNMA	$	52,922		1,388		(35	)		54,275
Federal Home Loan Mortgage Corporation (FHLMC)		16,783		272		0			17,055
Collateralized mortgage obligations:
FNMA		121		7		0			128
		69,826		1,667		(35	)		71,458
Other marketable securities:
U.S. Government agency obligations		45,046		333		0			45,379
Municipal obligations		1,091		5		0			1,096
Corporate obligations		37		0		(1	)		36
Corporate preferred stock		700		0		(105	)		595
		46,874		338		(106	)		47,106
	$	116,700		2,005		(141	)		118,564

Dollars in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
December 31, 2019
Mortgage-backed securities:
FNMA	$	46,604		47		(65	)		46,586
FHLMC		8,004		88		0			8,092
Collateralized mortgage obligations:
FNMA		169		4		0			173
		54,777		139		(65	)		54,851
Other marketable securities:
U.S. Government agency obligations		49,974		39		(21	)		49,992
Municipal obligations		1,969		7		0			1,976
Corporate obligations		108		0		0			108
Corporate preferred stock		700		0		(35	)		665
		52,751		46		(56	)		52,741
	$	107,528		185		(121	)		107,592

Available-for-sale Securities [Member]

Notes Tables

Contractual Obligation, Fiscal Year Maturity [Table Text Block]

(Dollars in thousands)	Amortized Cost		Fair Value
Due less than one year	$	63,341		64,159
Due after one year through five years		43,832		44,776
Due after five years through ten years		8,662		8,865
Due after ten years		865		764
Total	$	116,700		118,564