Statements of Shareholders' Equity (Unaudited) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2018		35,568,775
Balance at Dec. 31, 2018		$ 355,689	$ 10,106,344	$ (8,094,367)	$ 2,367,666
Stock compensation			14,577		14,577
Net income (loss)				(132,448)	(132,448)
Exercise of stock options (in shares)		20,000
Exercise of stock options		$ 200	3,800		4,000
Balance (in shares) at Sep. 30, 2019		35,588,775
Balance at Sep. 30, 2019		$ 355,889	10,124,721	(8,226,815)	2,253,795
Balance (in shares) at Jun. 30, 2019		35,588,775
Balance at Jun. 30, 2019		$ 355,889	10,119,222	(8,017,283)	2,457,828
Stock compensation			5,499		5,499
Net income (loss)				(209,532)	(209,532)
Balance (in shares) at Sep. 30, 2019		35,588,775
Balance at Sep. 30, 2019		$ 355,889	10,124,721	(8,226,815)	2,253,795
Balance (in shares) at Dec. 31, 2019		35,588,775
Balance at Dec. 31, 2019		$ 355,889	10,129,020	(8,063,835)	2,421,074
Stock compensation			10,398		10,398
Net income (loss)				60,299	60,299
Balance (in shares) at Sep. 30, 2020		35,588,775
Balance at Sep. 30, 2020		$ 355,889	10,139,418	(8,003,536)	2,491,771
Balance (in shares) at Jun. 30, 2020		35,588,775
Balance at Jun. 30, 2020		$ 355,889	10,136,343	(8,126,090)	2,366,142
Stock compensation			3,075		3,075
Net income (loss)				122,554	122,554
Balance (in shares) at Sep. 30, 2020		35,588,775
Balance at Sep. 30, 2020		$ 355,889	$ 10,139,418	$ (8,003,536)	$ 2,491,771