Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2018	$ 586,200	$ 12,440,000	$ (11,059,500)	$ 1,966,700
Balance shares at Dec. 31, 2018	58,616,716			58,616,716
Net income			85,400	$ 85,400
Balance at Mar. 31, 2019	$ 586,200	12,440,000	(10,974,100)	2,052,100
Balance shares at Mar. 31, 2019	58,616,716
Balance at Dec. 31, 2018	$ 586,200	12,440,000	(11,059,500)	$ 1,966,700
Balance shares at Dec. 31, 2018	58,616,716			58,616,716
Net income				$ 441,100
Balance at Sep. 30, 2019	$ 603,300	12,465,600	(10,618,400)	2,450,500
Balance shares at Sep. 30, 2019	60,324,698
Balance at Mar. 31, 2019	$ 586,200	12,440,000	(10,974,100)	2,052,100
Balance shares at Mar. 31, 2019	58,616,716
Net income			148,900	148,900
Balance at Jun. 30, 2019	$ 586,200	12,440,000	(10,825,200)	2,201,000
Balance shares at Jun. 30, 2019	58,616,716
Conversion of debentures and interest	$ 17,100	25,600		42,700
Conversion of debentures and interest Shares	1,707,982
Net income			206,800	206,800
Balance at Sep. 30, 2019	$ 603,300	12,465,600	(10,618,400)	2,450,500
Balance shares at Sep. 30, 2019	60,324,698
Balance at Dec. 31, 2019	$ 610,400	12,483,900	(10,304,600)	$ 2,789,700
Balance shares at Dec. 31, 2019	61,044,698			61,044,698
Net income			52,600	$ 52,600
Balance at Mar. 31, 2020	$ 610,400	12,483,900	(10,252,000)	2,842,300
Balance shares at Mar. 31, 2020	61,044,698
Balance at Dec. 31, 2019	$ 610,400	12,483,900	(10,304,600)	$ 2,789,700
Balance shares at Dec. 31, 2019	61,044,698			61,044,698
Net income				$ 286,500
Balance at Sep. 30, 2020	$ 673,500	12,575,800	(10,018,100)	$ 3,231,200
Balance shares at Sep. 30, 2020	67,353,690			67,353,690
Balance at Mar. 31, 2020	$ 610,400	12,483,900	(10,252,000)	$ 2,842,300
Balance shares at Mar. 31, 2020	61,044,698
Net income			70,800	70,800
Balance at Jun. 30, 2020	$ 610,400	12,483,900	(10,181,200)	2,913,100
Balance shares at Jun. 30, 2020	61,044,698
Conversion of debentures and interest	$ 57,600	86,400		144,000
Conversion of debentures and interest Shares	5,758,992
Exercise of warrants	$ 5,500	5,500		11,000
Exercise of warrants Shares	550,000
Net income			163,100	163,100
Balance at Sep. 30, 2020	$ 673,500	$ 12,575,800	$ (10,018,100)	$ 3,231,200
Balance shares at Sep. 30, 2020	67,353,690			67,353,690