Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Interest and dividend income:
Loans, including fees	$ 4,800,000	$ 4,848,000	$ 14,371,000	$ 14,507,000
Taxable securities	1,350,000	1,312,000	3,543,000	3,742,000
Tax-exempt securities	36,000	42,000	112,000	105,000
Other interest income	8,000	8,000	19,000	73,000
Total interest income	6,194,000	6,210,000	18,045,000	18,427,000
Interest expense:
Deposits	555,000	710,000	1,771,000	2,270,000
Short-term borrowings and repurchase agreements	17,000	26,000	70,000	34,000
FRB advances	0	28,000	18,000	35,000
Long-term debt	216,000	216,000	641,000	729,000
Other interest bearing liabilities	2,000	4,000	5,000	14,000
Total interest expense	790,000	984,000	2,505,000	3,082,000
Net interest income	5,404,000	5,226,000	15,540,000	15,345,000
Provision for loan losses	(257,000)	87,000	(536,000)	639,000
Net interest income after provision for loan losses	5,661,000	5,139,000	16,076,000	14,706,000
Non-interest income:
Earnings on bank-owned life insurance and annuities	64,000	74,000	186,000	201,000
Gain on sales and calls of securities	0	283,000	58,000	845,000
Change in value of equity securities	38,000	2,000	139,000	(152,000)
Other non-interest income	91,000	99,000	249,000	257,000
Total non-interest income	1,306,000	1,450,000	3,880,000	4,001,000
Non-interest expense:
Employee compensation expense	2,145,000	2,164,000	6,176,000	5,970,000
Employee benefits	563,000	625,000	1,722,000	1,747,000
Occupancy	293,000	284,000	935,000	869,000
Equipment	184,000	241,000	565,000	706,000
Data processing expense	709,000	600,000	1,965,000	1,664,000
Professional fees	226,000	198,000	609,000	562,000
Taxes, other than income	71,000	116,000	314,000	378,000
FDIC Insurance premiums	80,000	39,000	231,000	118,000
Gain on other real estate owned	0	0	(49,000)	0
Amortization of intangible assets	16,000	19,000	49,000	57,000
Amortization of investment in low income housing partnerships	200,000	200,000	600,000	600,000
Long-term debt prepayment penalty	0	0	0	524,000
Other non-interest expense	441,000	439,000	1,266,000	1,307,000
Total non-interest expense	4,928,000	4,925,000	14,383,000	14,502,000
Income before income taxes	2,039,000	1,664,000	5,573,000	4,205,000
Income tax provision (benefit)	142,000	58,000	302,000	(44,000)
Net income	$ 1,897,000	$ 1,606,000	$ 5,271,000	$ 4,249,000
Earnings per share
Basic	$ 0.38	$ 0.32	$ 1.05	$ 0.83
Diluted	$ 0.38	$ 0.32	$ 1.05	$ 0.83
Customer Service Fees [Member]
Non-interest income:
Non-interest income	$ 348,000	$ 339,000	$ 993,000	$ 1,030,000
Debit Card fee Income [Member]
Non-interest income:
Non-interest income	423,000	384,000	1,287,000	1,080,000
Trust Fees [Member]
Non-interest income:
Non-interest income	111,000	98,000	338,000	302,000
Commissions from Sales of Non-Deposit Products [Member]
Non-interest income:
Non-interest income	86,000	66,000	271,000	213,000
Fees Derived From Loan Activity [Member]
Non-interest income:
Non-interest income	137,000	94,000	333,000	184,000
Mortgage Banking Income [Member]
Non-interest income:
Non-interest income	$ 8,000	$ 11,000	$ 26,000	$ 41,000