NOTE 2 - SECURITIES (Tables)

12 Months Ended

Dec. 31, 2021

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, 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
CRA mutual fund							$	901
Non-marketable securities
Federal Home Loan Bank of Boston stock	$	1,397	$	—	$	—	$	1,397

(in thousands)	Amortized cost basis		Gross un- realized gains		Gross un- realized losses		Fair value
December 31, 2020
Available-for-sale
U.S. Government Agency notes	$	7,735	$	153	$	37	$	7,851
Municipal bonds		25,831		1,787		1		27,617
Mortgage-backed securities:
U.S. Government agencies and U.S. Government - sponsored enterprises		35,240		1,376		43		36,573
Collateralized mortgage obligations:
U.S. Government agencies		17,054		400		—		17,454
Corporate bonds		8,750		166		—		8,916
Total securities available-for-sale	$	94,610	$	3,882	$	81	$	98,411
CRA mutual fund							$	917
Non-marketable securities
Federal Home Loan Bank of Boston stock	$	1,713	$	—	$	—	$	1,713

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

Years ended December 31, (in thousands)		2021			2020			2019
Proceeds	$	3,311		$	15,589		$	41,814
Gains realized		56			293			371
Losses realized		(65	)		(97	)		(108	)
Net (losses) gains realized		(9	)		196			263
Income tax (benefit) provision		(2	)		41			55

Schedule of Unrealized Loss on Investments [Table Text Block]

	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

	Less than 12 Months				12 Months or Longer				Total
December 31, 2020 (in thousands)	Fair value		Unrealized losses		Fair value		Unrealized losses		Fair Value		Unrealized losses
Available-for-sale
U.S. Government Agency notes	$	2,553	$	36	$	20	$	1	$	2,573	$	37
Municipal bonds		558		1		—		—		558		1
Mortgage- backed securities:
U.S. Government agencies and U.S. Government - sponsored enterprises		3,761		42		45		1		3,806		43
Total temporarily impaired securities	$	6,872	$	79	$	65	$	2	$	6,937	$	81

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

December 31, 2021 (in thousands)	Maturity	Amortized cost			Fair value	Yield(1)
U.S. Treasury	After 1 year but within 5 years	$	1,984	$	1,986	1.16	%
	After 5 year but within 10 years		13,317		13,145	1.17
	Total		15,301		15,131	1.17
U.S. Government Agency notes	After 5 year but within 10 years		15,905		15,694	1.23
	Total		15,905		15,694	1.23
Municipal bonds	After 5 year but within 10 years		6,575		6,789	2.39
	After 10 years but within 15 years		18,997		19,456	2.47
	After 15 years		20,897		21,577	2.66
	Total		46,469		47,822	2.54
Mortgage-backed securities and Collateralized mortgage obligations	Securities not due at a single maturity date		111,369		111,348	1.71
	Total		111,369		111,348	1.71
Corporate bonds	After 5 years but within 10 years		11,750		11,900	4.39
	After 10 years but within 15 years		500		500	3.75
	Total		12,250		12,400	4.36
Securities available-for-sale		$	201,294	$	202,396	2.05	%

(1)       Yield is based on amortized cost.