Condensed Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2018		$ 783	$ 14,272,834	$ (37,308)	$ (3,638,978)	$ 10,597,331
Balance Shares at Dec. 31, 2018		7,827,651
Treasury stock				(318,204)		(318,204)
Treasury stock cancelled		$ (10)	(355,502)	355,512
Treasury stock cancelled shares		(93,396)
Stock options exercised		$ 1	5,650			5,651
Stock option Exercised shares		5,000
Stock options repurchased			(4,367)			(4,367)
Net loss					(946,633)	(946,633)
Balance at Jun. 30, 2019		$ 774	13,918,615		(4,585,611)	9,333,778
Balance shares at Jun. 30, 2019		7,739,255
Balance at Mar. 31, 2019		$ 775	13,974,692		(3,951,880)	10,023,587
Balance Shares at Mar. 31, 2019		7,748,705
Treasury stock				(57,362)		(57,362)
Treasury stock cancelled		$ (2)	(57,360)	57,362
Treasury stock cancelled shares		(14,450)
Stock options exercised		$ 1	5,650			5,651
Stock option Exercised shares		5,000
Stock options repurchased			(4,367)			(4,367)
Net loss					(633,731)	(633,731)
Balance at Jun. 30, 2019		$ 774	13,918,615		(4,585,611)	9,333,778
Balance shares at Jun. 30, 2019		7,739,255
Balance at Dec. 31, 2019		$ 775	13,894,680		(3,714,255)	10,181,200
Balance Shares at Dec. 31, 2019		7,745,030
Stock options exercised		$ 2	13,213			13,215
Stock option Exercised shares		15,000
Stock options repurchased			(5,846)			(5,846)
Net loss					(990,670)	(990,670)
Balance at Jun. 30, 2020		$ 777	13,902,047		(4,704,925)	9,197,899
Balance shares at Jun. 30, 2020		7,760,030
Balance at Mar. 31, 2020		$ 776	13,898,201		(4,103,665)	9,795,312
Balance Shares at Mar. 31, 2020		7,752,530
Treasury stock
Treasury stock cancelled
Treasury stock cancelled shares
Stock options exercised		$ 1	$ 6,914			$ 6,915
Stock option Exercised shares		7,500
Stock options repurchased			(3,068)			(3,068)
Net loss					(601,260)	(601,260)
Balance at Jun. 30, 2020		$ 777	$ 13,902,047		$ (4,704,925)	$ 9,197,899
Balance shares at Jun. 30, 2020		7,760,030