Statements of Shareholders' Equity - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2016		35,424,775
Balance at Dec. 31, 2016		$ 354,249	$ 10,061,894	$ (8,659,382)	$ 1,756,761
Stock compensation			14,969		$ 14,969
Exercise of non-restricted stock awards (in shares)		67,000			67,000
Exercise of non-restricted stock awards		$ 670	11,680		$ 12,350
Restricted common shares issued (in shares)		70,000
Restricted common shares issued		$ 700	(700)
Net income				235,805	235,805
Balance (in shares) at Dec. 31, 2017		35,561,775
Balance at Dec. 31, 2017		$ 355,619	10,087,843	(8,423,577)	2,019,885
Stock compensation			18,221		$ 18,221
Exercise of non-restricted stock awards (in shares)		7,000			7,000
Exercise of non-restricted stock awards		$ 70	280		$ 350
Net income				329,210	329,210
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