Quarterly Results of Operations (Unaudited) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Quarterly Results of Operations (Unaudited)
Interest income	$ 3,435,000	$ 3,350,000	$ 3,267,000	$ 3,285,000	$ 3,458,000	$ 3,308,000	$ 3,030,000	$ 2,916,000	$ 13,337,000	$ 12,712,000
Interest expense	544,000	398,000	153,000	107,000	120,000	271,000	228,000	234,000	1,202,000	853,000
Net interest income	2,891,000	2,952,000	3,114,000	3,178,000	3,338,000	3,037,000	2,802,000	2,682,000	12,135,000	11,859,000
Provision for credit losses	103,000	(92,000)	127,000	(42,000)	66,000	39,000	(117,000)	(100,000)	96,000	(112,000)
Net securities gains						2,000				2,000
Gain on swap contract termination					206,000				0	206,000
Income before income taxes	140,000	539,000	301,000	521,000	994,000	395,000	345,000	251,000	1,501,000	1,985,000
Net income	$ 167,000	$ 552,000	$ 275,000	$ 435,000	$ 830,000	$ 375,000	$ 309,000	$ 231,000	$ 1,429,094	$ 1,745,182
Net income per share (basic) (in dollars per share)	$ 0.06	$ 0.19	$ 0.10	$ 0.15	$ 0.29	$ 0.13	$ 0.11	$ 0.08	$ 0.50	$ 0.61
Net income per share (diluted) (in dollars per share)	$ 0.06	$ 0.19	$ 0.10	$ 0.15	$ 0.29	$ 0.13	$ 0.11	$ 0.08	$ 0.50	$ 0.61