Statements Of Stockholders' Equity - USD ($)	Total	Voting Common Stock [Member]	Capital in Excess of Par Value [Member]	Deferred Directors' Compensation [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balances at Dec. 31, 2022	$ 110,103,126	$ 598,731	$ 43,344,916	$ 1,541,070	$ 68,925,774	$ (4,307,365)
Balances, shares at Dec. 31, 2022		35,938,206
Balances, Treasury shares at Dec. 31, 2022						(300,272)
Net Income (Loss)	13,920,800				13,920,800
Purchase of treasury stock	(402,704)					$ (402,704)
Purchase of treasury stock, shares						(120,939)
Restricted stock awards expense	2,205,910		2,205,910
Dividends declared	(2,823,735)				(2,823,735)
Distribution of restricted stock to officers and directors		$ 3,057	(3,850,079)			$ 3,847,022
Distribution of restricted stock to officers and directors, shares		183,517				268,422
Distribution of deferred directors' compensation			(24,330)	(281,497)		$ 305,827
Distribution of deferred directors' compensation, shares						21,312
Increase in deferred directors' compensation charged to expense	228,017			228,017
Balances at Dec. 31, 2023	$ 123,231,414	$ 601,788	41,676,417	1,487,590	80,022,839	$ (557,220)
Balances, shares at Dec. 31, 2023	36,121,723	36,121,723
Balances, Treasury shares at Dec. 31, 2023	131,477					(131,477)
Net Income (Loss)	$ 2,321,866				2,321,866
Purchase of treasury stock	(805,063)					$ (805,063)
Purchase of treasury stock, shares						(212,391)
Restricted stock awards expense	2,287,927		2,287,927
Dividends declared	(5,271,373)				(5,271,373)
Distribution of restricted stock to officers and directors		$ 11,242	(11,242)
Distribution of restricted stock to officers and directors, shares		674,773
Distribution of deferred directors' compensation			76,390	(348,912)		$ 272,522
Distribution of deferred directors' compensation, shares						64,274
Increase in deferred directors' compensation charged to expense	185,082			185,082
Balances at Dec. 31, 2024	$ 121,949,853	$ 613,030	$ 44,029,492	$ 1,323,760	$ 77,073,332	$ (1,089,761)
Balances, shares at Dec. 31, 2024	36,796,496	36,796,496
Balances, Treasury shares at Dec. 31, 2024	279,594					(279,594)