Consolidated Statements of Cash Flows - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Operating activities:
Net income	$ 1,605,000	$ 1,845,000	$ 2,643,000	$ 3,258,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	196,000	(459,000)	552,000	(444,000)
Depreciation			406,000	396,000
Net amortization of securities premiums			527,000	305,000
Net amortization of loan origination fees			28,000	50,000
Deferred net loan origination costs			(319,000)	(161,000)
Amortization of intangibles	19,000	22,000	38,000	44,000
Amortization of investment in low income housing partnerships	200,000	200,000	400,000	400,000
Net amortization of purchase fair value adjustments			(53,000)	(134,000)
Net realized (gain) loss on sales and calls of available for sale securities			(562,000)	56,000
Change in value of equity securities	(18,000)	(6,000)	154,000	(15,000)
Net gain on sales of other real estate owned	0	14,000	0	14,000
Earnings on bank owned life insurance and annuities	(63,000)	(71,000)	(127,000)	(140,000)
Deferred income tax expense			132,000	132,000
Stock-based compensation expense			63,000	47,000
Proceeds from mortgage loans sold to others			38,000	46,000
Mortgage banking income			(30,000)	(36,000)
Increase in accrued interest receivable and other assets			(2,309,000)	(1,798,000)
(Decrease) increase in accrued interest payable and other liabilities			(506,000)	2,443,000
Net cash provided by operating activities			1,075,000	4,463,000
Investing activities:
Purchases of: Securities available for sale			(152,324,000)	(54,716,000)
Purchases of: FHLB stock			(45,000)	(657,000)
Purchases of: Premises and equipment			(202,000)	(170,000)
Purchases of: Bank owned life insurance and annuities			(18,000)	(17,000)
Proceeds from: Sales of securities available for sale			36,136,000	11,107,000
Proceeds from: Maturities of and principal repayments on securities available for sale			45,086,000	8,753,000
Sale of other real estate owned			0	135,000
Investment in low income housing partnerships			0	(90,000)
Net decrease in interest bearing time deposits with banks			740,000	590,000
Net (increase) decrease in loans			(19,615,000)	10,847,000
Net cash used in investing activities			(90,242,000)	(24,218,000)
Financing activities:
Net increase in deposits			62,896,000	12,656,000
Net increase (decrease) in short-term borrowings and securities sold under agreements to repurchase			10,978,000	(11,654,000)
Issuance of FRB advances			31,298,000	0
Issuance of long-term debt			0	45,000,000
Repayment of long-term debt			(10,000,000)	(15,000,000)
Cash dividends			(2,242,000)	(2,244,000)
Purchase of treasury stock			(379,000)	0
Treasury stock issued for employee stock plans			70,000	89,000
Net cash provided by financing activities			92,621,000	28,847,000
Net increase in cash and cash equivalents			3,454,000	9,092,000
Cash and cash equivalents at beginning of year			12,740,000	16,456,000	$ 16,456,000
Cash and cash equivalents at end of period	$ 16,194,000	$ 25,548,000	16,194,000	25,548,000	$ 12,740,000
Supplemental information:
Interest paid			2,182,000	2,058,000
Income tax paid			200,000	18,000
Supplemental schedule of noncash investing and financing activities:
Right-of-Use assets obtained in exchange for lease obligations			$ 0	$ 556,000