CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Preferred Stock Series II, Class B	Preferred Stock Series III, Class B	Additional Paid-In Capital	Retained Earnings	Treasury Stock - at cost	Total
Balance at Dec. 31, 2020	$ 156,200	$ 106,745	$ 59,285,401	$ (9,668,221)		$ 49,880,125
Increase (Decrease) in Stockholders' Equity
Conversion of Preferred Stock into Common Stock		(26,500)	26,500
Stock Option Exercises			48,600			48,600
Dividends				(5,135,046)		(5,135,046)
Stock Option Compensation			2,503,152			2,503,152
Repurchase of Common Stock - at cost					$ (2,839,326)	(2,839,326)
Net Income				35,139,894		35,139,894
Balance at Sep. 30, 2021	156,200	80,245	61,863,653	20,336,627	(2,839,326)	79,597,399
Balance at Jun. 30, 2021	156,200	80,245	60,706,417	13,853,792	(154,424)	74,642,230
Increase (Decrease) in Stockholders' Equity
Dividends				(39,050)		(39,050)
Stock Option Compensation			1,157,236			1,157,236
Repurchase of Common Stock - at cost					(2,684,902)	(2,684,902)
Net Income				6,521,885		6,521,885
Balance at Sep. 30, 2021	156,200	80,245	61,863,653	20,336,627	(2,839,326)	79,597,399
Balance at Dec. 31, 2021	156,200	76,245	63,024,888	41,182,429	(5,270,501)	99,169,261
Increase (Decrease) in Stockholders' Equity
Stock Option Exercises			13,800			13,800
Dividends				(174,334)		(174,334)
Stock Option Compensation			3,433,972			3,433,972
Repurchase of Common Stock - at cost					(2,818,177)	(2,818,177)
Net Income				9,360,113		9,360,113
Balance at Sep. 30, 2022	156,200	76,245	66,472,660	50,368,208	(8,088,678)	108,984,635
Balance at Jun. 30, 2022	156,200	76,245	65,312,124	45,041,065	(8,088,678)	102,496,956
Increase (Decrease) in Stockholders' Equity
Stock Option Exercises			3,300			3,300
Dividends				(58,111)		(58,111)
Stock Option Compensation			1,157,236			1,157,236
Net Income				5,385,254		5,385,254
Balance at Sep. 30, 2022	$ 156,200	$ 76,245	$ 66,472,660	$ 50,368,208	$ (8,088,678)	$ 108,984,635