NOTE 3 - SECURITIES (Tables)

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Marketable Securities [Table Text Block]

(in thousands)		Amortized cost basis		Gross un-realized gains		Gross un-realized losses		Fair value
June 30, 2023
Available-for-sale
U.S. Treasury	$	19,315	$	—	$	2,070	$	17,245
U.S. Government Agency notes		27,999		5		2,488		25,516
Municipal bonds		51,037		—		7,375		43,662
Mortgage-backed securities:
U.S. Government agencies and U.S. Government - sponsored enterprises		65,811		18		7,760		58,069
Collateralized mortgage obligations:
U.S. Government agencies		24,414		—		3,589		20,825
Corporate bonds		14,250		—		2,090		12,160
Total securities available-for-sale	$	202,826	$	23	$	25,372	$	177,477
Mutual fund							$	2,020
Non-marketable securities
Federal Home Loan Bank of Boston stock	$	1,488	$	—	$	—	$	1,488

(in thousands)		Amortized cost basis		Gross un-realized gains		Gross un-realized losses		Fair value
December 31, 2022
Available-for-sale
U.S. Treasury	$	19,283	$	—	$	2,150	$	17,133
U.S. Government Agency notes		29,696		94		2,636		27,154
Municipal bonds		55,179		—		8,641		46,538
Mortgage-backed securities:
U.S. Government agencies and U.S. Government- sponsored enterprises		69,866		20		8,011		61,875
Collateralized mortgage obligations:
U.S. Government agencies		25,370		—		3,434		21,936
Corporate bonds		14,250		—		1,476		12,774
Total securities available-for-sale	$	213,644	$	114	$	26,348	$	187,410
Mutual fund							$	1,933
Non-marketable securities
Federal Home Loan Bank of Boston stock	$	1,285	$	—	$	—	$	1,285

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or Longer				Total
June 30, 2023 (in thousands)	Fair value		Unrealized losses		Fair value		Unrealized losses		Fair value		Unrealized losses
Available-for-sale
U.S. Treasury	$	—	$	—	$	17,245	$	2,070	$	17,245	$	2,070
U.S. Government Agency notes		2,670		46		19,469		2,442		22,139		2,488
Municipal bonds		992		22		42,670		7,353		43,662		7,375
Mortgage- backed securities:
U.S. Government agencies and U.S. Government - sponsored enterprises		2,636		25		51,185		7,735		53,821		7,760
Collateralized mortgage obligations:
U.S. Government agencies		—		—		20,825		3,589		20,825		3,589
Corporate bonds		6,890		1,110		5,270		980		12,160		2,090
Total temporarily impaired securities	$	13,188	$	1,203	$	156,664	$	24,169	$	169,852	$	25,372

	Less than 12 Months				12 Months or Longer				Total
December 31, 2022 (in thousands)	Fair value		Unrealized losses		Fair value		Unrealized losses		Fair value		Unrealized losses
Available-for-sale
U.S. Treasury	$	6,435	$	484	$	10,698	$	1,666	$	17,133	$	2,150
U.S. Government Agency notes		3,106		158		17,467		2,478		20,573		2,636
Municipal bonds		37,277		5,950		9,261		2,691		46,538		8,641
Mortgage-backed securities:
U.S. Government agencies and U.S. Government-sponsored enterprises		18,861		1,559		39,909		6,452		58,770		8,011
Collateralized mortgage obligations		14,333		1,782		7,603		1,652		21,936		3,434
Corporate bonds		11,251		1,249		1,523		227		12,774		1,476
Total temporarily impaired securities	$	91,263	$	11,182	$	86,461	$	15,166	$	177,724	$	26,348

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

June 30, 2023 (in thousands)	Maturity	Amortized cost			Fair value	Yield(1)
U.S. Treasury	Within 1 year	$	1,976	$	1,904	1.53	%
	After 1 year but within 5 years		8,854		8,003	1.24
	After 5 year but within 10 years		8,485		7,338	1.17
	Total		19,315		17,245	1.24
U.S. Government Agency notes	After 1 year but within 5 years		8,951		7,864	1.25
	After 5 year but within 10 years		6,978		5,966	1.43
	Total		15,929		13,830	1.33
Municipal bonds	After 1 year but within 5 years		1,486		1,343	2.11
	After 5 year but within 10 years		15,331		12,827	2.25
	After 10 years but within 15 years		14,589		12,491	2.39
	After 15 years		19,631		17,010	2.42
	Total		51,037		43,662	2.35
Mortgage-backed securities and Collateralized mortgage obligations	Securities not due at a single maturity date		102,295		90,580	3.05
	Total		102,295		90,580	3.05
Corporate bonds	After 5 years but within 10 years		14,250		12,160	4.46
	Total		14,250		12,160	4.46
Securities available-for-sale		$	202,826	$	177,477	2.82	%

⁽¹⁾ Yield is based on amortized cost.