NOTE 3 - SECURITIES (Tables)

12 Months Ended

Dec. 31, 2022

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
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 funds							$	1,933
Non-marketable securities
Federal Home Loan Bank of Boston stock	$	1,285	$	—	$	—	$	1,285

(in thousands)		Amortized cost basis		Gross un-realized gains		Gross un-realized losses		Fair value
December 31, 2021
Available-for-sale
U.S. Treasury	$	15,301	$	12	$	182	$	15,131
U.S. Government Agency notes		31,623		237		256		31,604
Municipal bonds		46,469		1,557		204		47,822
Mortgage-backed securities:
U.S. Government agencies and U.S. Government- sponsored enterprises		74,703		643		805		74,541
Collateralized mortgage obligations:
U.S. Government agencies		20,948		135		185		20,898
Corporate bonds		12,250		158		8		12,400
Total securities available-for-sale	$	201,294	$	2,742	$	1,640	$	202,396
Mutual fund							$	901
Non-marketable securities
Federal Home Loan Bank of Boston stock	$	1,397	$	—	$	—	$	1,397

Schedule of Realized Gain (Loss) [Table Text Block]

Years ended December 31, (in thousands)		2022			2021			2020
Proceeds	$	21,716		$	3,311		$	15,589
Gains realized		451			56			293
Losses realized		(286	)		(65	)		(97	)
Net  gains (losses) realized		165			(9	)		196
Income tax provision (benefit)		35			(2	)		41

Schedule of Unrealized Loss on Investments [Table Text Block]

	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

	Less than 12 Months				12 Months or Longer				Total
December 31, 2021 (in thousands)	Fair value		Unrealized losses		Fair value		Unrealized losses		Fair Value		Unrealized losses
Available-for-sale
U.S. Treasury	$	12,155	$	182	$	—	$	—	$	12,155	$	182
U.S. Government Agency notes		22,137		235		2,019		21		24,156		256
Municipal bonds		12,496		204		552		—		13,048		204
Mortgage- backed securities:
U.S. Government agencies and U.S. Government - sponsored enterprises		52,619		740		3,195		65		55,814		805
Collateralized mortgage obligations		11,554		185		—		—		11,554		185
Corporate bonds		1,742		8		—		—		1,742		8
Total temporarily impaired securities	$	112,703	$	1,554	$	5,766	$	86	$	118,469	$	1,640

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

December 31, 2022 (in thousands)	Maturity	Amortized cost			Fair value	Yield(1)
U.S. Treasury	After 1 year but within 5 years	$	10,799	$	9,838	1.29	%
	After 5 year but within 10 years		8,484		7,295	1.17
	Total		19,283		17,133	1.24
U.S. Government Agency notes	After 1 year but within 5 years		6,962		6,070	1.00
	After 5 year but within 10 years		8,958		7,552	1.42
	Total		15,920		13,622	1.23
Municipal bonds	After 1 year but within 5 years		510		455	1.74
	After 5 year but within 10 years		15,283		12,407	2.31
	After 10 years but within 15 years		12,823		10,933	2.53
	After 15 years		26,563		22,743	2.84
	Total		55,179		46,538	2.61
Mortgage-backed securities, U.S. Government Agency and Collateralized mortgage obligations	Securities not due at a single maturity date		109,012		97,343	2.64
	Total		109,012		97,343	2.64
Corporate bonds	After 5 years but within 10 years		14,250		12,774	4.46
	Total		14,250		12,774	4.46
Securities available-for-sale		$	213,644	$	187,410	2.65	%

(1)       Yield is based on amortized cost.