Securities Available-for-Sale (Tables)

12 Months Ended

Dec. 31, 2021

Available For Sale Securities [Abstract]

Schedule of amortized cost and fair value of securities available-for-sale

The amortized cost and fair value of securities available-for-sale, and the corresponding amounts of gross unrealized gains and losses, are as follows as of December 31, 2021 and 2020:

	December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(Dollars in thousands)
U.S. Government-sponsored enterprises obligations	$	6,098	$	—	$	(127	)	$	5,971
U.S. Government agency small business administration    pools guaranteed by SBA		5,059		22		(36	)		5,045
Collateralized mortgage obligations issued by the    FHLMC, FNMA and GNMA		3,400		1		(69	)		3,332
Residential mortgage-backed securities		23,784		32		(484	)		23,332
Municipal bonds		49,164		1,501		(52	)		50,613
Corporate subordinated debt		3,072		—		—			3,072
	$	90,577	$	1,556	$	(768	)	$	91,365
	December 31, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(Dollars in thousands)
U.S. Government-sponsored enterprises obligations	$	997	$	—	$	(24	)	$	973
U.S. Government agency small business administration    pools guaranteed by SBA		2,399		71		—			2,470
Collateralized mortgage obligations issued by the     FHLMC		938		11		—			949
Residential mortgage-backed securities		5,100		49		(13	)		5,136
Municipal bonds		44,005		1,944		(7	)		45,942
	$	53,439	$	2,075	$	(44	)	$	55,470

Schedule of amortized cost and fair values of available-for-sale securities by contractual maturity

The amortized cost and fair values of available-for-sale securities at December 31, 2021 by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	December 31, 2021
	Amortized Cost		Fair Value
	(Dollars in thousands)
Due in one year or less	$	—	$	—
Due after one year through five years		—		—
Due after five years through ten years		10,132		10,054
Due after ten years		48,202		49,602
Total U.S. Government-sponsored enterprises obligations,    municipal bonds and corporate subordinated debt		58,334		59,656
U.S. Government agency small business pools guaranteed    by SBA(1)		5,059		5,045
Collateralized mortgage obligations issued by the FHLMC,    FNMA, and GNMA(1)		3,400		3,332
Residential mortgage-backed securities(1)		23,784		23,332
Total	$	90,577	$	91,365

(1) Actual maturities for these debt securities are dependent upon the interest rate environment and prepayments on the underlying loans.

Summary of sales proceeds, principal payments received and gross realized gains and losses on available for sale securities

Proceeds from sales, maturities, principal payments received and gross realized gains and losses on available-for-sale securities were as follows for the years ended December 31:

	December 31,
	2021			2020
	(Dollars in thousands)
Proceeds from sales, maturities and principal payments      received on securities available-for-sale	$	20,037		$	27,433
Gross realized gains		588			437
Gross realized losses		(53	)		(27	)
Net realized gains	$	535		$	410

Summary of gross unrealized losses and fair value for those investments with unrealized losses

The following is a summary of gross unrealized losses and fair value for those investments with unrealized losses, aggregated by investment category and length of time the individual securities have been in a continuous unrealized loss position, at December 31, 2021 and 2020.

	Less than 12 Months							More than 12 Months							Total
	Number of Securities		Fair Value		Unrealized Losses			Number of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in thousands)
December 31, 2021
U.S. Government sponsored    enterprises obligations		7	$	5,022	$	(80	)		2	$	949	$	(47	)	$	5,971	$	(127	)
U.S. Government agency small    business administration pools    guaranteed by SBA		3		2,988		(36	)		—		—		—			2,988		(36	)
Collateralized mortgage    obligations issued by    the FHLMC, FNMA    and GNMA		4		2,779		(69	)		—		—		—			2,779		(69	)
Residential mortgage    backed securities		22		19,541		(399	)		1		2,304		(85	)		21,845		(484	)
Municipal bonds		7		6,494		(49	)		1		584		(3	)		7,078		(52	)
		43	$	36,824	$	(633	)		4	$	3,837	$	(135	)	$	40,661	$	(768	)
December 31, 2020
U.S. Government sponsored    enterprises obligations		2	$	973	$	(24	)		—	$	—	$	—		$	973	$	(24	)
U.S. Government agency small    business administration pools    guaranteed by SBA		—		—		—			—		—		—			—		—
Collateralized mortgage    obligations issued by    the FHLMC		—		—		—			—		—		—			—		—
Residential mortgage    backed securities		1		3,102		(13	)		—		—		—			3,102		(13	)
Municipal bonds		4		2,381		(7	)		—		—		—			2,381		(7	)
		7	$	6,456	$	(44	)		—	$	—	$	—		$	6,456	$	(44	)