Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Common Stock, Amount [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2022	4,594,319
Balance at Dec. 31, 2022	$ 459,432		$ 8,807,212	$ 9,266,644
Net income			756,081	756,081
Balance (in shares) at Mar. 31, 2023	4,594,319
Balance at Mar. 31, 2023	$ 459,432		9,563,293	10,022,725
Balance (in shares) at Dec. 31, 2022	4,594,319
Balance at Dec. 31, 2022	$ 459,432		8,807,212	9,266,644
Net income				1,843,931
Balance (in shares) at Sep. 30, 2023	4,594,319
Balance at Sep. 30, 2023	$ 459,432		10,191,711	10,651,143
Balance (in shares) at Mar. 31, 2023	4,594,319
Balance at Mar. 31, 2023	$ 459,432		9,563,293	10,022,725
Net income			461,094	461,094
Balance (in shares) at Jun. 30, 2023	4,594,319
Balance at Jun. 30, 2023	$ 459,432		10,024,387	10,483,819
Net income	0		626,756	626,756
Dividends paid	0		(459,387)	(459,387)
Dividends declared	0		(45)	$ (45)
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)				$ 0.1
Dividends declared and paid ($0.35 per share)	$ (0)		459,387	$ 459,387
Balance (in shares) at Sep. 30, 2023	4,594,319
Balance at Sep. 30, 2023	$ 459,432		10,191,711	10,651,143
Balance (in shares) at Dec. 31, 2023	4,594,319
Balance at Dec. 31, 2023		$ 459,432	10,929,150	11,388,582
Net income			925,442	925,442
Dividends paid		0	(1,148,468)	(1,148,468)
Dividends declared	$ 0	0	(112)	$ (112)
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)				$ 0.25
Dividends declared and paid ($0.35 per share)		(0)	1,148,468	$ 1,148,468
Balance (in shares) at Mar. 31, 2024	4,594,319
Balance at Mar. 31, 2024		459,432	10,706,012	11,165,444
Balance (in shares) at Dec. 31, 2023	4,594,319
Balance at Dec. 31, 2023		459,432	10,929,150	11,388,582
Net income				2,747,151
Balance (in shares) at Sep. 30, 2024	4,594,319
Balance at Sep. 30, 2024		459,432	10,919,710	11,379,142
Balance (in shares) at Mar. 31, 2024	4,594,319
Balance at Mar. 31, 2024		459,432	10,706,012	11,165,444
Net income			956,225	956,225
Balance (in shares) at Jun. 30, 2024	4,594,319
Balance at Jun. 30, 2024		459,432	11,662,237	12,121,669
Net income			865,484	865,484
Dividends paid			(1,607,855)	(1,607,855)
Dividends declared			(156)	$ (156)
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)				$ 0.35
Dividends declared and paid ($0.35 per share)			1,607,855	$ 1,607,855
Balance (in shares) at Sep. 30, 2024	4,594,319
Balance at Sep. 30, 2024		$ 459,432	$ 10,919,710	$ 11,379,142