STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Convertible Preferred Stock, Series B Preferred stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2020	$ 514,438	$ 10,530,669	$ 2,246,501	$ (7,740,441)	$ 5,551,167
Accretion of cumulative dividends	6,038		(6,038)
Stock based compensation expense (Note 4)			1,183		1,183
Common stock issued (Note 4)		20,705			20,705
Net income				652,585	652,585
Balance at Mar. 31, 2021	520,476	10,551,374	2,241,646	(7,087,856)	6,225,640
Balance at Dec. 31, 2020	514,438	10,530,669	2,246,501	(7,740,441)	5,551,167
Net income					774,133
Balance at Jun. 30, 2021	502,362	10,558,867	2,236,790	(6,966,308)	6,331,711
Balance at Mar. 31, 2021	520,476	10,551,374	2,241,646	(7,087,856)	6,225,640
Accretion of cumulative dividends	6,038		(6,038)
Stock based compensation expense (Note 4)			1,182		1,182
Payment of cumulative dividends (Note 7)	(24,152)				(24,152)
Common stock issued (Note 4)		7,493			7,493
Net income				121,548	121,548
Balance at Jun. 30, 2021	$ 502,362	10,558,867	2,236,790	(6,966,308)	6,331,711
Balance at Dec. 31, 2021		10,573,843	2,227,078	(6,061,617)	6,739,304
Stock based compensation expense (Note 4)			1,183		1,183
Common stock issued (Note 4)		22,116			22,116
Net income				384,401	384,401
Balance at Mar. 31, 2022		10,595,959	2,228,261	(5,677,216)	7,147,004
Balance at Dec. 31, 2021		10,573,843	2,227,078	(6,061,617)	6,739,304
Net income					1,049,274
Balance at Jun. 30, 2022		10,603,450	2,229,443	(5,012,343)	7,820,550
Balance at Mar. 31, 2022		10,595,959	2,228,261	(5,677,216)	7,147,004
Stock based compensation expense (Note 4)			1,182		1,182
Common stock issued (Note 4)		7,491			7,491
Net income				664,873	664,873
Balance at Jun. 30, 2022		$ 10,603,450	$ 2,229,443	$ (5,012,343)	$ 7,820,550